JP7629771B2 - Fittings - Google Patents

Description

This disclosure relates to building materials.

Conventionally, there is known a fitting in which the running surface on which the rollers of a shoji screen run is made up of multiple rails connected in series (see, for example, Patent Document 1).

Special Publication No. 7-6327

When the running surface on which the rollers of a shoji screen run is made up of multiple rails, noise may be generated when the rollers pass over the joints between adjacent rails due to differences in height between the adjacent rails. For this reason, it is desirable to be able to reduce the noise generated when the rollers pass over the running surface.

The objective of this disclosure is to provide a fitting in which the running surface on which the rollers of a shoji screen run is made up of multiple rails, thereby reducing noise when the rollers pass over the boundaries between the multiple rails.

The present disclosure relates to a fitting comprising a shoji screen equipped with a roller or a hoisting wheel, and a horizontal frame along which the roller or the hoisting wheel runs, the horizontal frame having a number of rails arranged in succession with gaps between them in the range along which the roller or the hoisting wheel runs, and the roller or the hoisting wheel having three or more wheels arranged in a row in the direction along which the roller or the hoisting wheel runs.

FIG. 2 is a front view showing the state in which the panoramic window of the first embodiment is located in a closed position. 2 is a cross-sectional view taken along line AA of FIG. 1, showing the panoramic window in a closed position. 2B is a cross-sectional view showing the state in which the panoramic window has been moved to an intermediate position from the closed position shown in FIG. 2A. 2C is a cross-sectional view showing the panoramic window in an open position from the position shown in FIG. 2B. 2 is a cross-sectional view taken along line BB in FIG. 1, showing a state in which the parallel-side upper rotating lid and the parallel-side lower rotating lid are closed. 2 is a cross-sectional view taken along line BB in FIG. 1, showing a state in which the parallel-side upper rotating lid and the parallel-side lower rotating lid are open. 2 is a cross-sectional view taken along line CC of FIG. 1, showing the state in which the parallel moving screen is positioned on the outside of the room. This is a cross-sectional view taken along line CC in Figure 1, showing the state in which the parallel moving screen is positioned inside the room. This is a cross-sectional view taken along the line D-D in Figure 1, showing the state in which the sliding screen is positioned on the left side in the left-right direction and the sliding side lower rotating lid is open. This is a cross-sectional view taken along the line D-D in Figure 1, showing the state in which the sliding screen is positioned on the right side in the left-right direction and the sliding side lower rotating lid is closed. This is an oblique view of the right-hand side portion of the upper frame of a panoramic window, viewed diagonally from below on the outside of the room. This is an oblique view of the right-hand part of the bottom frame of a panoramic window, viewed diagonally from above on the outside of the room. 13 is a diagram showing the parallel side prospective direction movement mechanism, the parallel side lower opening/closing mechanism, and the parallel side prospective position restriction mechanism that are arranged on the right side portion in the left-right direction of the lower frame of the panoramic window. FIG. This is an oblique view of the left end portion of the bottom frame of a panoramic window, viewed diagonally from above on the outside of the room. FIG. 4 is a perspective view showing a sliding-side lower opening/closing mechanism. FIG. 1 is a perspective view showing a state in which a right sliding rail plate and a left sliding rail plate are arranged side by side with a gap therebetween. FIG. 1 is a cross-sectional view showing a state in which a right sliding rail plate and a left sliding rail plate are arranged side by side with a gap therebetween. FIG. 3B is an enlarged cross-sectional view of the lower frame side portion in FIG. 3A. 5B is an enlarged cross-sectional view of the lower frame side portion in FIG. 5A. FIG. 13 is a perspective view showing a prospective direction movement drive mechanism. 13 is a perspective view showing a restricting mechanism for restricting the movement of a parallel moving screen toward the inside of a room. FIG. A figure showing the state in which the sliding screen roller moves from the left sliding rail plate to the right sliding rail plate. 19 is a diagram showing the state in which the sliding screen roller moves further from the position shown in FIG. 18 toward the right sliding rail plate. A figure showing the state in which the sliding screen roller moves from the right sliding rail plate to the left sliding rail plate. 21 is a diagram showing the state in which the sliding screen roller moves further toward the left sliding rail plate from the position shown in FIG. 20 . FIG. 11 is a perspective view showing a slide-side lower opening/closing mechanism according to a second embodiment. FIG. 13 is a cross-sectional view showing a prospective direction movement drive mechanism of a third embodiment. FIG. 13 is a perspective view showing a prospective direction movement drive mechanism of a third embodiment. This is a cross-sectional view of line E-E in Figure 24.

The panoramic window 1 as a fixture of the first embodiment will be described below with reference to the drawings. In this specification, the "view direction" refers to the in-plane direction of the shoji screen that is housed in the frame of the fixture and placed in an opening formed in a building, and the "prospect direction" refers to the indoor/outdoor direction (i.e., the depth direction). In the prospect direction, the left-right direction in FIG. 1 is referred to as the left-right direction X, and when the panoramic window 1 in FIG. 1 is viewed from inside the room, the right side, which is one side of the left-right direction X in FIG. 1, is referred to as the right side X1, and the left side, which is the other side of the left-right direction X, is referred to as the left side X2. In addition, the indoor/outdoor direction in FIG. 2A to FIG. 2C is referred to as the prospect direction Y, the back side in the prospect direction Y is referred to as the outside side Y1, and the front side is referred to as the inside side Y2.

As shown in FIG. 1, the panoramic window 1 of this embodiment comprises a frame body 10 provided in an opening of a building, a parallel moving screen 20, a sliding screen 30, a parallel side prospective direction movement mechanism 4 (drive mechanism) that moves the parallel moving screen 20 in the prospective direction, a sliding side prospective direction movement mechanism 5 that moves the sliding screen 30 in the prospective direction, a parallel side lower opening/closing mechanism 6, a parallel side upper opening/closing mechanism 7, a parallel side prospective position regulating mechanism 8, and a sliding side lower opening/closing mechanism 9 (rotation drive mechanism). The parallel moving screen 20 and the sliding screen 30 are arranged within the frame body 10.

As shown in FIG. 1, the frame body 10 is formed in a square shape by an upper frame 11, a lower frame 12 (horizontal frame), and a pair of vertical frames 13, 13. The upper frame 11, the lower frame 12, and the pair of vertical frames 13, 13 are formed, for example, by extruding aluminum. A parallel moving shoji screen 20 (shōji screen) and a sliding moving shōji screen 30 (shōji screen) are arranged within the frame body 10.

As shown in FIG. 2A, the pair of vertical frames 13, 13 are each formed in a generally L-shaped cross section with the interior side Y2 and the inside in the left-right direction X open. A vertical frame auxiliary frame 131 is attached to the inner surface in the left-right direction X of each of the pair of vertical frames 13, 13. The vertical frame auxiliary frame 131 can be replaced for maintenance or when changing to a different color. A parallel moving shoji screen 20 and a sliding moving shoji screen 30 are arranged between the pair of vertical frames 13, 13.

As shown in Figures 2A to 2C, the panoramic window 1 of this embodiment allows the parallel moving screen 20 and the sliding screen 30 to be moved within the frame 10 to a closed position (Figures 1 and 2A), an intermediate position (Figure 2B), and an open position (Figure 2C).

In the closed position, the parallel moving shoji screen 20 is arranged on the right side X1 (see FIG. 1) in the left-right direction X within the frame body 10, and is configured to be movable in the forward direction Y by the parallel side forward direction movement mechanism 4 (see FIG. 1). In the closed position, the sliding moving shoji screen 30 is arranged on the right side X1 (see FIG. 1) in the left-right direction within the frame body 10, and is configured to be movable in the left-right direction X in the forward direction by the sliding side forward direction movement mechanism 5 (see FIG. 1).

In this embodiment, the parallel moving shoji screen 20 can only move in the front direction Y (indoor/outdoor direction) within the frame body 10. The sliding shoji screen 30 can only move in the left-right direction X (horizontal direction) in the front direction within the frame body 10. This allows the parallel moving shoji screen 20 to move only in the front direction Y within the frame body 10, and then the sliding shoji screen 30 to move only in the left-right direction X in the front direction to open the panoramic window 1. This allows the panoramic window 1 to be opened and closed while maintaining a good view.

When the panoramic window 1 is in the closed position, as shown in FIG. 2A, the parallel moving screen 20 and the sliding screen 30 are arranged in a straight line in the left-right direction X of the viewing direction within the frame body 10.

In addition, by moving the parallel moving screen 20 from the closed position shown in FIG. 2A to the indoor side Y2 in the prospective direction Y within the frame body 10, the parallel moving screen 20 is positioned at an intermediate position on the indoor side Y2 as shown in FIG. 2B.

In addition, within the frame body 10, by moving the pair of sliding screens 30 from the intermediate position shown in FIG. 2B to the right side X1 in the left-right direction X, the sliding screens 30 are positioned in an open position moved to the right side X1 in the left-right direction X, as shown in FIG. 2C. When the panoramic window 1 is positioned in the open position, the parallel moving screens 20 and the sliding screens 30 are positioned within the frame body 10 so as to overlap in the forward direction Y at the right side X1 in the left-right direction X when viewed in the forward direction Y.

The frame body 10 will be described. As shown in Figures 3A to 5B, the upper frame 11 has a width in the prospective direction Y, and extends in the left-right direction X as shown in Figure 1. As shown in Figures 3A to 5B, the upper frame 11 has an upper frame exterior body part 111 that is provided on the exterior side Y1 and has an approximately L-shaped cross section formed with the interior side Y2 and the lower side open, an upper frame interior body part 112 that is provided on the interior side Y2 and has an approximately L-shaped cross section formed with the exterior side Y1 and the lower side open, an upper frame exterior lower horizontal protrusion part 113 that protrudes from the lower end of the upper frame exterior body part 111 to the interior side Y2, an upper frame interior cover 114 that is provided on the exterior side Y1 of the lower end of the upper frame interior body part 112, an upper frame interior fixed lid part 115 (see Figures 5A and 5B), and a parallel side upper rotating lid part 15 (see Figures 3A to 4B). The parallel side upper rotating lid part 15 is placed inside the upper frame 11.

When the upper frame exterior body part 111 and the upper frame interior body part 112 are formed continuously, an upper frame lower opening 117 that opens downward is formed at the bottom of the upper frame 11.

When the panoramic window 1 is in the closed position, the upper end of the parallel moving shoji screen 20 is positioned in the upper frame lower opening 117 on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIGS. 3A to 4B. The upper end of the parallel moving shoji screen 20 is positioned so as to be movable in the prospective direction Y on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1.

When the panoramic window 1 is in the closed position, the upper end of the sliding screen 30 is positioned in the upper frame lower opening 117 on the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIG. 5A and FIG. 5B. The upper end of the sliding screen 30 is positioned so that it can move in the left-right direction X of the panoramic window 1.

On the right side X1 (see FIG. 1) of the left-right direction X of the panoramic window 1 shown in FIG. 1, when the parallel moving shoji screen 20 moves in the projection direction Y (indoor/outdoor direction) as shown in FIG. 3A and FIG. 3B, the parallel side upper rotating lid portion 15 is opened and closed by the parallel side upper opening and closing mechanism 7 (see FIG. 1 and FIG. 6).

The parallel side upper rotating lid part 15 is connected to the parallel side upper opening/closing mechanism 7 as shown in Figures 3A, 3B, and 6. The parallel side upper rotating lid part 15 has a motor side frame part 151 connected to the parallel side upper opening/closing mechanism 7, and a lid side frame part 152 connected to the motor side frame part 151.

The motor side frame 151 and the lid side frame 152 are provided separately and are fixed together to form an integral structure. The parallel side upper rotating lid 15 (see FIG. 6) is rotated integrally about the rotation shaft 7a as shown in FIGS. 3A and 3B when the motor 71 of the parallel side upper opening/closing mechanism 7 (see FIGS. 1 and 6) is driven. The lid side frame 152 can be removed and replaced during maintenance, etc.

The parallel side upper rotating lid portion 15 can be rotated to a closed position (see Figure 3A) in which the lid side frame portion 152 closes the upper frame lower opening 117 at the center side of the upper frame 11 in the projection direction Y, and to an open position (see Figure 3B) in which the lid side frame portion 152 rotates diagonally upward to the indoor side Y2 and retreats to open the upper frame lower opening 117.

As shown in FIG. 3A, when the parallel moving screen 20 is located on the outside Y1, the parallel side upper rotating lid part 15 is positioned in the closed position. When the parallel side upper rotating lid part 15 is positioned in the closed position, the upper frame lower opening 117 is closed, and the lower surface of the lid side frame part 152 and the lower surface of the upper frame indoor side cover 114 of the upper frame 11 are positioned on the same plane.

When moving the parallel moving screen 20 from the outdoor side Y1 (see FIG. 4A) to the indoor side Y2 (see FIG. 4B), as shown in FIG. 3B, the parallel side upper rotating lid portion 15 is rotated to the open position, and the lid side frame portion 152 is rotated diagonally upward to the indoor side Y2 and retreated, thereby making it possible to move the parallel moving screen 20 from the outdoor side Y1 (see FIG. 4A) to the indoor side Y2 (see FIG. 4B).

As shown in Figures 3A to 5B, throughout the entire left-right direction X of the panoramic window 1 shown in Figure 1, the portion of the upper frame lower opening 117 on the indoor side Y2 in the expected direction Y is closed by an upper frame indoor side cover 114 that is fixed without opening or closing. As shown in Figure 5A, the upper frame indoor side cover 114 is detachably attached to a mounting frame 112a fixed to the lower end of the indoor side Y2 of the upper frame indoor side main body 112. The upper frame indoor side cover 114 can be removed and replaced during maintenance, etc.

As shown in Figures 5A and 5B, the upper frame interior cover 114 is formed in the same shape as the upper frame interior fixed lid part 115 described later, and the mounting structure of the upper frame interior cover 114 is similar to the mounting structure of the upper frame interior fixed lid part 115 described later. Therefore, the explanation of the mounting structure of the upper frame interior cover 114 will be omitted, and the explanation of the mounting structure of the upper frame interior fixed lid part 115 described later will be used.

On the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1 shown in FIG. 1, as shown in FIG. 5A, the central portion of the upper frame lower opening 117 in the prospective direction Y is closed by the upper frame interior fixed lid part 115, which is fixed without opening or closing. The upper frame interior fixed lid part 115 can be removed and replaced during maintenance, etc.

The mounting structure of the upper frame interior fixed lid 115 will be described. As shown in Figures 5A and 5B, an upper hollow frame 118 is fixed to the inner surface of the corner of the upper frame interior main body 112. An intermediate hollow frame 119, which is shorter in length in the projection direction Y than the upper hollow frame 118, is fixed to the underside of the upper hollow frame 118, near the center of the projection direction Y of the upper frame 11. Here, by removing the upper hollow frame 118 and the intermediate hollow frame 119 from the state shown in Figure 5B, it is possible to replace the motor of the slide side projection direction movement mechanism 5, etc.

As shown in FIG. 5A, the intermediate hollow frame 119 has a hollow frame body 119a, a horizontal extension plate 119b, a lower rotating shaft side engagement portion 119g, and a lower locking side engagement portion 119h. The horizontal extension plate 119b extends from the surface of the intermediate hollow frame 119 on the outside Y1 side in the vertical direction to the outside Y1 side. The reason for providing the horizontal extension plate 119b is to make it difficult to see inside the upper frame 11 from the upper frame lower opening 117 on the lower side of the upper frame outside body part 111 side of the upper frame 11 when the sliding moving screen 30 moves to the left side X2 in the left-right direction X and the sliding moving screen 30 is not present inside the upper frame outside body part 111 on the left side X2 in the left-right direction X of the upper frame 11, as shown in FIG. 5B.

As shown in FIG. 5A, the lower rotating shaft side engaging portion 119g and the lower locking side engaging portion 119h are disposed at the lower end of the intermediate hollow frame 119, spaced a predetermined distance apart in the projection direction Y. The upper frame chamber inner fixed lid portion 115 is removably engaged and fixed to the lower rotating shaft side engaging portion 119g and the lower locking side engaging portion 119h.

The lower locking side engagement portion 119h has a protrusion 119i that protrudes horizontally toward the outside side Y1 at the lower end of the intermediate hollow frame 119.

The lower rotating shaft side engagement portion 119g has a downward extension portion 119c that extends downward a predetermined length from the lower end of the outdoor side Y1 of the hollow frame body 119a, an arc-shaped protrusion portion 119d that protrudes downward a predetermined length in an arc shape from the lower end of the downward extension portion 119c, a horizontal extension portion 119e that extends horizontally a predetermined length from the arc-shaped protrusion portion 119d to the outdoor side Y1, and an axis portion 119f formed at the end of the horizontal extension portion 119e on the outdoor side Y1.

The upper frame interior fixed cover portion 115 is removably attached to the intermediate hollow frame 119 by engaging with the lower rotating shaft side engaging portion 119g on the exterior side Y1 and with the lower locking side engaging portion 119h on the interior side Y2.

The upper frame interior fixed lid portion 115 has a lower panel 115a extending in the forward direction, a first arc piece 115b and a second arc piece 115c formed by protruding upward from the upper surface of the exterior side Y1 of the lower panel 115a extending in the forward direction, and an upward protruding piece 115d formed by protruding upward from the upper surface of the interior side Y2 of the lower panel 115a extending in the forward direction.

The upper protruding piece 115d has a locking projection 115e that protrudes toward the interior side Y2 midway in the vertical direction. The locking projection 115e is locked to the protrusion 119i of the lower locking side engagement portion 119h of the intermediate hollow frame 119 when the upper frame interior side fixed cover portion 115 is attached to the lower end of the intermediate hollow frame 119.

The first arc piece 115b and the second arc piece 115c are formed on the upper surface of the lower panel 115a extending in the projection direction, with the first arc piece 115b positioned on the outdoor side Y1 and the second arc piece 115c positioned on the indoor side Y2. The first arc piece 115b and the second arc piece 115c are positioned a predetermined distance apart in the projection direction Y and are curved in an arc shape on the side where they approach each other. The arc length of the first arc piece 115b is formed shorter than the arc length of the second arc piece 115c.

The first arc piece 115b and the second arc piece 115c rotatably support the lower rotating shaft side engagement part 119g.

The first arc piece 115b supports the shaft portion 119f of the lower rotating shaft side engagement portion 119g formed at the lower part of the outdoor side Y1 of the intermediate hollow frame 119 on the inside of the arc. The second arc piece 115c is arranged along the outside of the arc-shaped protruding portion 119d of the lower rotating shaft side engagement portion 119g. As a result, the lower rotating shaft side engagement portion 119g rotates around the shaft portion 119f by being supported by the first arc piece 115b between the first arc piece 115b and the second arc piece 115c, while the arc-shaped protruding portion 119d rotates along the second arc piece 115c.

As a result, when removing the upper frame interior fixed lid part 115 from the lower end of the intermediate hollow frame 119, as shown in FIG. 5A, the locking projection 115e of the upper protruding piece 115d is disengaged from the protruding part 119i of the lower locking side engagement part 119h of the intermediate hollow frame 119 at the lower end of the interior side Y2 of the intermediate hollow frame 119, and the upper frame interior fixed lid part 115 rotates around the shaft part 119f with the shaft part 119f of the lower rotating shaft side engagement part 119g hooked on the first arc piece 115b. Here, as shown in FIG. 5A, since the shaft part 119f of the lower rotating shaft side engagement part 119g is hooked on the first arc piece 115b, the upper frame interior fixed lid part 115 can be prevented from falling downward.

When attaching the upper frame interior fixed lid 115 to the lower end of the intermediate hollow frame 119, the upper frame interior fixed lid 115 is rotated around the axle 119f while the axle 119f of the lower rotating shaft side engagement part 119g is hooked onto the first arc piece 115b, and the protrusion 119i of the lower locking side engagement part 119h of the intermediate hollow frame 119 is locked with the locking projection 115e of the upper protruding piece 115d. This allows the upper frame interior fixed lid 115 to be attached to the lower end of the intermediate hollow frame 119.

As shown in Figures 3A to 5B, a fitting portion 113a is provided at the end of the upper frame room exterior lower horizontal protrusion 113 on the room interior side. An airtight material 113b is attached to the fitting portion 113a. The airtight material 113b attached to the fitting portion 113a is pressed against the visible surface of the upper side of the room exterior of the parallel moving shoji screen 20 and the sliding moving shoji screen 30.

The lower frame 12 has a width in the projection direction Y as shown in Figures 3A to 5B, and extends in the projection direction as shown in Figure 1. As shown in Figures 3A to 5B, the lower frame 12 has a lower frame exterior body 121 that is provided on the exterior side Y1 and has an approximately L-shaped cross section formed with the interior side Y2 and the upper side open, a lower frame interior body 122 that is provided on the interior side Y2 and has an approximately L-shaped cross section formed with the exterior side Y1 and the upper side open, a lower frame exterior upper horizontal protrusion 123 that protrudes from the upper end of the lower frame exterior body 121 to the interior side Y2, a lower frame interior cover 124 that is provided on the exterior side Y1 of the upper end of the lower frame interior body 122, a lower frame interior fixed lid part 125 (see Figures 5A and 5B), a lower support frame 126, a parallel side lower rotating lid part 16 (see Figures 3A to 4B), and a sliding side lower rotating lid part 17 (see Figures 5A and 5B) (rotating member). The parallel side lower rotating lid part 16 and the sliding side lower rotating lid part 17 are arranged inside the lower frame 12.

When the lower frame exterior body 121 and the lower frame interior body 122 are assembled, a lower frame upper opening 127 that opens upward is formed at the top of the lower frame 12.

In the lower frame 12, the inside of the lower side of the upper opening 127 of the lower frame forms a shoji arrangement groove in which the lower end of the parallel moving shoji 20 and the lower end of the sliding moving shoji 30 are arranged.

When the panoramic window 1 is in the closed position, the lower end of the parallel moving shoji screen 20 is positioned in the lower frame upper opening 127 on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIGS. 3A to 4B. The lower end of the parallel moving shoji screen 20 is positioned to be movable in the prospective direction Y on the right side X1 (see FIG. 1) in the left-right direction X of the panoramic window 1.

When the panoramic window 1 is in the closed position, the lower end of the sliding screen 30 is positioned in the lower frame upper opening 127 on the left side X2 (see FIG. 1) in the left-right direction X of the panoramic window 1, as shown in FIG. 5A and FIG. 5B. The lower end of the sliding screen 30 is positioned so that it can move in the left-right direction X of the panoramic window 1.

The lower support frame 126 is disposed inside the lower frame 12 on the right side X1 in the left-right direction of the panoramic window 1, below the upper opening 127 of the lower frame. As shown in Figures 4A, 4B, and 7, the lower support frame 126 has a support frame 126a for movement in the front direction and two support frames 126b for movement in the front direction.

The support frame 126a for movement in the front direction has a hollow portion and extends in the left-right direction X. The upper surface of the support frame 126a for movement in the front direction is formed in a horizontal plane, and a sliding right rail plate 181 (rail) is fixed to the upper surface of the support frame 126a for movement in the front direction. The support frame 126a for movement in the front direction supports, at its lower part, the sliding screen 30 that moves on the upper surface of the sliding right rail plate 181. The sliding right rail plate 181 is formed, for example, from a stainless steel material.

On the upper surface of the right sliding rail plate 181, the parallel moving shoji screen 20 is arranged so as to be movable in the forward direction Y, and the sliding shoji screen 30 is arranged so as to be movable in the left-right direction X. The upper surface of the right sliding rail plate 181 constitutes the running surface along which the forward moving door roller 34 of the sliding shoji screen 30 runs within the lower frame 12, as shown in Figures 3A to 4B and 7. On a part of the upper surface of the right sliding rail plate 181, the forward moving door roller 24 of the parallel moving shoji screen 20 is arranged when the parallel moving shoji screen 20 is located on the outside side Y1, as shown in Figures 4A and 7.

The two support frames 126b for forward movement have a hollow portion, and as shown in FIG. 7, are connected to the indoor side Y2 of the support frame 126a for forward movement at a position where the forward movement door roller 24 of the parallel moving shoji 20 is installed in the left-right direction X of the panoramic window 1. The upper surface of each of the two support frames 126b for forward movement is formed in a horizontal plane, and a parallel right rail plate 182 is fixed to the upper surface of the support frame 126b for forward movement.

The parallel right rail plate 182 is formed continuously with the interior side Y2 of the sliding right rail plate 181 at a position where the front-direction moving door roller 34 of the parallel moving shoji screen 20 in the left-right direction X of the sliding right rail plate 181 is provided. The front-direction movement support frame 126b supports at the bottom the parallel moving shoji screen 20 that moves on the upper surface of the parallel right rail plate 182. The parallel right rail plate 182 is formed, for example, from a stainless steel material.

The parallel moving shoji screen 20 is arranged on the upper surface of the parallel right rail plate 182 so as to be movable in the forward direction Y. As shown in Figures 4B and 7, the upper surface of the parallel right rail plate 182 constitutes a running surface along which the forward direction moving door roller 24 of the parallel moving shoji screen 20 runs in part of the left-right direction X within the lower frame 12. As shown in Figures 4B and 7, the forward direction moving door roller 24 of the parallel moving shoji screen 20 is arranged on the upper surface of the parallel right rail plate 182 when the parallel moving shoji screen 20 is located on the indoor side Y2. The parallel right rail plate 182 is formed, for example, from a stainless steel material.

On the right side X1 (see FIG. 1) of the left-right direction X of the panoramic window 1 shown in FIG. 1, when the parallel moving shoji screen 20 moves in the projection direction Y (indoor/outdoor direction) as shown in FIG. 3A and FIG. 3B, the parallel side lower rotating lid portion 16 is opened and closed by the parallel side lower opening and closing mechanism 6 (see FIG. 1, FIG. 7, FIG. 8).

The parallel side lower rotating lid portion 16 is connected to the parallel side lower opening/closing mechanism 6 as shown in Figures 3A, 3B, and 7. The parallel side lower rotating lid portion 16 has a plurality of motor side frame portions 161 connected to the parallel side lower opening/closing mechanism 6, and a lid side frame portion 162 connected to the motor side frame portions 161. The motor side frame portions 161 are provided spaced apart in the X direction as shown in Figures 7 and 8.

The multiple motor side frame parts 161 and lid side frame parts 162 are provided separately and fixed together to form an integrated structure. The parallel side lower rotating lid part 16 (see FIG. 7) is rotated integrally about the rotation axis 6a as shown in FIGS. 3A and 3B when the motor 61 of the parallel side lower opening/closing mechanism 6 (see FIGS. 1 and 8) is driven. The lid side frame part 162 can be removed and replaced during maintenance, etc.

The parallel side lower rotating lid portion 16 can be rotated to a closed position (see FIG. 3A) in which the lid side frame portion 162 closes the lower frame upper opening 127 at the center side of the lower frame 12 in the projection direction Y, and to an open position (see FIG. 3B) in which the lid side frame portion 162 rotates diagonally downward and retreats to open the lower frame upper opening 127.

As shown in FIG. 3A, when the parallel moving screen 20 is located on the outside Y1, the parallel side lower rotating lid part 16 is positioned in the closed position. When the parallel side lower rotating lid part 16 is positioned in the closed position, the lower frame upper opening 127 is closed, the upper surface of the lid side frame part 162 of the parallel side lower rotating lid part 16 forms the floor surface, and the upper surface of the lid side frame part 162 and the upper surface of the lower frame indoor side cover 124 of the lower frame 12 are positioned on the same plane.

When moving the parallel moving screen 20 from the outdoor side Y1 (see FIG. 4A) to the indoor side Y2 (see FIG. 4B), as shown in FIG. 3B, the parallel side lower rotating lid portion 16 is rotated to the open position and the lid side frame portion 162 is rotated diagonally downward to the indoor side Y2 and retreated, thereby making it possible to move the parallel moving screen 20 from the outdoor side Y1 (see FIG. 4A) to the indoor side Y2 (see FIG. 4B).

When the parallel moving screen 20 moves in the left-right direction X on the right side X1 (see FIG. 1) of the panoramic window 1 shown in FIG. 1, as shown in FIG. 5A and FIG. 5B, the sliding side lower rotating lid portion 17 is opened and closed by the sliding side lower opening and closing mechanism 9 (see FIG. 1, FIG. 9, FIG. 10).

The sliding side lower rotating lid part 17 is connected to the sliding side lower opening and closing mechanism 9 as shown in Figures 5A, 5B, 9 and 10. The sliding side lower rotating lid part 17 has a motor side frame part 171 connected to the sliding side lower opening and closing mechanism 9, a lid side frame part 172 connected to the motor side frame part 171, and a left side rail plate 183 (rail) for sliding.

The motor side frame 171, the lid side frame 172, and the left side rail plate 183 for sliding are provided separately and are fixed together to form an integral structure. The sliding side lower rotating lid 17 (see FIG. 10) is rotated integrally about the rotation shaft 9a as shown in FIG. 5A and FIG. 5B by driving the sliding side lower opening/closing motor 92 of the sliding side lower opening/closing mechanism 9.

As shown in Figures 5A, 5B, 9 and 10, a base roller 18 is disposed below the motor side frame 171. The base roller 18 supports the rotating slide side lower rotating lid 17 from below. The base roller 18 has a base portion 18a and a roller 18b that is rotatably attached to the upper portion of the base portion 18a. The roller 18b supports the slide side lower rotating lid 17 from below.

The base roller 18 is a member that supports the lower sliding side rotating lid part 17 from below so that the lower sliding side rotating lid part 17 does not bend when the lower sliding side rotating lid part 17 receives a load from the parallel moving shoji screen 20. The base roller 18 is also a member that supports the lower sliding side rotating lid part 17 from below so that the load is not placed on the lower sliding side opening and closing mechanism 9.

As shown in Figures 5A and 5B, when the sliding side lower rotating cover part 17 is in the open position, the motor side frame part 171 has an upper horizontal plate part 171a formed on the upper surface and extending horizontally in the left-right direction X within the lower frame 12. A sliding left side rail plate 183 (rail) is fixed to the upper surface of the upper horizontal plate part 171a. The motor side frame part 171 supports at its lower part the sliding moving screen 30 that moves on the upper surface of the sliding left side rail plate 183.

The sliding screen 30 is arranged on the upper surface of the sliding left rail plate 183 so as to be movable in the left-right direction X. As shown in Figures 5A, 5B, and 9 to 11, the upper surface of the sliding left rail plate 183 forms a wheel running surface along which the facing direction moving wheel 34 of the sliding screen 30 runs within the lower frame 12. The sliding left rail plate 183 is formed, for example, from a stainless steel material.

As shown in Figures 12 and 13, in the range in which the front-direction moving door roller 34 of the sliding moving shoji screen 30 travels, the sliding right rail plate 181 and the sliding left rail plate 183 are arranged side by side in the left-right direction X, with a gap G between them. Details of the configuration of the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 and the operation when the front-direction moving door roller 34 of the sliding moving shoji screen 30 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 will be described later.

As shown in FIG. 10, the slide-side lower opening/closing mechanism 9 includes a base plate 91, a slide-side lower opening/closing motor 92 (drive unit), a first power conversion mechanism 93, a connecting shaft unit 94, a second power conversion mechanism 95, a lid rotating shaft unit 96, and a rotating plate 97.

The base plate 91 has an interior left-right extending plate 911 that extends in the left-right direction X on the interior side Y2, a facing direction extending plate 912 that extends from the left side X2 end of the interior left-right extending plate 911 to the exterior side Y1, and an exterior plate 913 that is connected to the exterior side Y1 end of the facing direction extending plate 912.

The sliding side lower opening/closing motor 92 is disposed at the end of the right side X1 in the left-right direction X of the room-side left-right extending plate 911 of the base plate 91. The sliding side lower opening/closing motor 92 has a motor body 921 and a motor shaft 922 that protrudes to the left from the left end of the motor body 921 in the left-right direction X. The motor shaft 922 extends in the left-right direction X.

The first power conversion mechanism 93 is formed in an L-shape and converts the axial direction of the motor shaft 922 into a perpendicular direction. Specifically, the first power conversion mechanism 93 converts the power transmitted in the axial direction of the motor shaft 922 from the left-right direction X to the forward direction Y. One end of the L-shape of the first power conversion mechanism 93 is connected to the motor shaft 922, and the other end of the L-shape is connected to the connecting shaft portion 94.

The connecting shaft 94 extends in the forward direction Y. The connecting shaft 94 has an end on the indoor side Y2 connected to the other end of the first power conversion mechanism 93, and an end on the outdoor side Y1 connected to the second power conversion mechanism 95.

The second power conversion mechanism 95 converts the axial direction of the connecting shaft 94 from the forward direction Y to the left-right direction X. The second power conversion mechanism 95 has a first gear 951 and a second gear 952.

The first gear 951 is connected to the end of the connecting shaft 94 on the outdoor side Y1 and is configured to be rotatable around an axis extending in the forward direction Y. A helical gear that revolves around an axis extending in the forward direction Y is formed on the outer circumferential surface of the first gear 951.

The second gear 952 is configured to be rotatable around an axis extending in the left-right direction X. On the outer circumferential surface of the second gear 952, multiple groove-shaped gears extending along the left-right direction X are formed side by side in the circumferential direction around the axis extending in the left-right direction X.

The grooved gear of the second gear 952 is connected in a meshed state with the helical gear of the first gear 951. The second power conversion mechanism 95 converts the power transmitted in the axial direction of the first gear 951 (prospective direction Y) into the axial direction of the second gear 952 (left-right direction X).

The lid rotation shaft 96 extends in the left-right direction X. The lid rotation shaft 96 is connected to the second gear 952 so that its axial direction coincides with that of the second gear 952. A rotation plate 97 is connected to both ends of the lid rotation shaft 96 in the axial direction (left-right direction X). The rotation plate 97 is connected to the end face of the slide-side lower rotating lid 17 in the left-right direction X. By rotating the rotation plate 97 around the axis of the lid rotation shaft 96, the slide-side lower rotating lid 17 connected to the rotation plate 97 can be rotated.

In the above-described sliding side lower opening/closing mechanism 9, the sliding side lower opening/closing motor 92 is provided in the lower frame 12 below a position shifted in the prospective direction Y of the sliding moving shoji screen 30 from the running line that extends in the direction in which the sliding moving shoji screen 30 runs. This allows the sliding side lower opening/closing motor 92 to be positioned shifted in the prospective direction Y, avoiding the portion where the prospective direction moving door roller 34 of the sliding moving shoji screen 30 runs.

By using the sliding side lower opening/closing mechanism 9 configured as described above, the sliding side lower rotating lid part 17 can be rotated to an open position (see Figure 5A) where the lid side frame part 172 rotates diagonally downward and retreats on the outdoor side Y1 of the lower frame 12 in the prospective direction Y to open the lower frame upper opening 127 and position the sliding moving screen 30, and a closed position (see Figure 5B) where the lid side frame part 172 closes the lower frame upper opening 127 after the sliding moving screen 30 has moved.

When the sliding side lower rotating cover part 17 is in the open position, a sliding left side rail plate 183 is arranged on the upper surface of the upper horizontal plate part 171a of the motor side frame part 171 below the lower frame upper opening 127, and the facing direction moving door roller 34 of the sliding moving shoji screen 30 can run on the running surface on the upper surface of the sliding left side rail plate 183 on the left side X2 in the left-right direction X of the panoramic window 1.

When the sliding screen 30 moves to the right side X1 of the panoramic window 1 in the left-right direction, the sliding side lower rotating lid part 17 is positioned in the closed position. When the sliding side lower rotating lid part 17 is positioned in the closed position, the lower frame upper opening 127 is closed and the upper surface of the lid side frame part 172 of the sliding side lower rotating lid part 17 forms the floor surface forming surface, and the upper surface of the lid side frame part 172, the upper surface of the lower frame interior side cover 124 of the lower frame 12, the upper surface of the lower frame interior side fixed lid part 125, and the upper surface of the lower frame exterior upper horizontal protrusion part 123 of the lower frame 12 are arranged on the same plane to form the floor surface, thereby achieving barrier-free access.

In this way, the sliding side lower rotating lid part 17 is configured by integrating the wheel running surface (the upper surface of the sliding left rail plate 183 provided on the motor side frame part 171) along which the facing direction moving wheel 34 of the sliding moving shoji screen 30 runs, and the floor forming surface (the upper surface of the lid side frame part 172 of the sliding side lower rotating lid part 17) that forms a barrier-free floor surface, which are provided separately. The sliding side lower rotating lid part 17 rotates the wheel running surface and floor forming surface together around the rotation axis 9a.

The slide-side lower opening/closing mechanism 9 rotates the slide-side lower rotating lid part 17 to the open position (Fig. 5A) (first rotation position) to place the floor forming surface inside the lower frame 12, and rotates the slide-side lower rotating lid part 17 to the closed position (see Fig. 5B) to set up the floor forming surface. As a result, the slide-side lower opening/closing mechanism 9 rotates the slide-side lower rotating lid part 17 between the open position (see Fig. 5A) (first rotation position) where the floor forming surface is placed inside the lower frame 12, and the closed position (see Fig. 5B) where the floor forming surface is set up.

As shown in Figures 3A to 5B, throughout the entire area of the panoramic window 1 in the left-right direction X shown in Figure 1, the portion of the lower frame upper opening 127 on the indoor side Y2 in the expected direction Y is closed by the lower frame indoor side cover 124, which is fixed and does not open or close. The lower frame indoor side cover 124 can be removed and replaced during maintenance, etc.

On the left side X2 (see FIG. 1) of the panoramic window 1 in the left-right direction X shown in FIG. 1, as shown in FIG. 5A and FIG. 5B, the central portion of the lower frame upper opening 127 in the prospective direction Y is closed by the lower frame interior fixed lid part 125, which is fixed without opening or closing. The lower frame interior fixed lid part 125 can be removed and replaced during maintenance, etc.

A fitting portion 123a is provided at the end of the lower frame exterior upper horizontal protrusion 123 on the interior side. An airtight material 123b is attached to the fitting portion 123a. The airtight material 123b attached to the fitting portion 123a is pressed against the visible surface of the exterior upper side of the sliding screen 30.

The parallel moving shoji screen 20 and the sliding shoji screen 30 will be described. The parallel moving shoji screen 20 can be moved in the prospective direction Y by the parallel side prospective direction movement mechanism 4 (indoor/outdoor direction movement mechanism) (described later). As shown in Figures 1, 2A, and 3A, the parallel moving shoji screen 20 has a glass panel body 23 (glass panel), an upper frame 21 that supports the upper end of the glass panel body 23, a lower frame 22 that supports the lower end of the glass panel body 23, and two prospective direction moving door rollers 24. The glass panel body 23 has three glass panels 231, and is composed of double-glazed glass that is stacked in the prospective direction with an air layer between them by placing spacers 232 between them.

As shown in FIG. 1, the two forward-direction moving door rollers 24 are attached to the lower end of the parallel moving door 20 at both ends in the left-right direction X of the parallel moving door 20 so as to be movable in the forward-direction Y. As shown in FIG. 3A, the forward-direction moving door rollers 24 are fixed to the lower end of the glass panel body 23 via a mounting frame body 25.

As shown in Figs. 3A and 7, the forward-direction moving door roller 24 has a wheel support portion 241 and four pairs of two wheels 242. Each of the four pairs of two wheels 242 is formed in a disk shape that can rotate around a rotation axis extending in the left-right direction X.

As shown in FIG. 3A, the four sets of two wheels 242 are arranged in the prospective direction Y with the radial direction of the two wheels 242 coinciding with the prospective direction Y, and as shown in FIG. 7, four sets of two wheels 242 are arranged side by side in the left-right direction X. The four sets of two wheels 242 are formed in a disk shape that can rotate around a rotation axis extending in the left-right direction X, and are therefore movable in the prospective direction Y.

The wheel support part 241 supports four pairs of wheels 242. The wheel support part 241 is constructed as a single unit. The wheel support part 241 supports the four pairs of wheels 242 as a single unit so that their positional relationship does not change.

The following describes the running surface on which the four pairs of two wheels 242 of the prospective direction moving door roller 24 run. As shown in FIG. 7, on the right side X1 of the left-right direction X of the lower frame 12, a right side rail plate 181 for sliding is fixed to the upper surface of the support frame 126a for prospective direction movement of the lower support frame 126, and a right side rail plate 182 for parallel movement formed continuously with the right side rail plate 181 for sliding is fixed to the upper surface of the two support frames 126b for prospective direction movement. The four pairs of two wheels 242 of the prospective direction moving door roller 24 can move in the prospective direction Y using the upper surface of the right side rail plate 181 for sliding and the upper surface of the right side rail plate 182 for parallel movement as the running surface.

As shown in FIG. 14, the parallel moving shoji screen 20 has the entire bottom frame 22 disposed inside the bottom frame 12. The bottom frame 22 is formed in a U-shape with an open upper portion. The lower end of the glass panel body 23 is disposed in the open portion of the bottom frame 22.

The upper end 221 of the outdoor side Y1 of the lower frame 22 is positioned below the upper end of the outdoor upper horizontal protrusion 123 of the lower frame 12. The upper end 222 of the indoor side Y2 of the lower frame 22 is positioned below the upper end of the lid side frame 162 of the parallel side lower rotating lid part 16 when the lid side frame part 162 of the parallel side lower rotating lid part 16 arranged on the lower frame 12 is in the closed position.

As shown in FIG. 14, on the outdoor side Y1 of the parallel moving shoji screen 20 in the prospective direction Y, the distance L1a between the glass panel body 23 of the parallel moving shoji screen 20 and the lower frame 12 is greater than the distance L1b between the lower frame 22 and the lower frame 12 (L1a>L1b).

Therefore, even if the parallel moving shoji screen 20 moves to the outside Y1 in the projection direction Y when the airtight material 123b is not attached to the fitting portion 123a, the lower frame 22 hits the lower frame 12 first, preventing the glass panel body 23 from hitting the lower frame 12.

In addition, in this embodiment, since the airtight material 123b is attached to the fitting portion 123a, when the parallel moving shoji screen 20 moves to the outside Y1 in the projection direction Y, the lower frame 22 first hits the airtight material 123b. The airtight material 123b functions as a restricting member that restricts the movement of the lower frame 22 in the projection direction.

In addition, on the indoor side Y2 of the parallel moving shoji screen 20 in the projection direction Y, the distance L1c between the glass panel body 23 of the parallel moving shoji screen 20 and the bottom frame 12 is greater than the distance L1d between the bottom frame 22 and the bottom frame 12 (L1c>L1d). Therefore, even if the parallel moving shoji screen 20 moves to the indoor side Y2 in the projection direction Y, the bottom frame 22 hits the bottom frame 12 before the glass panel body 23, so the glass panel body 23 is prevented from hitting the bottom frame 12.

The sliding screen 30 can be moved in the left-right direction X by a sliding side front-facing direction movement mechanism 5 (described later). As shown in Figures 1, 2A, and 3A, the sliding screen 30 has a glass panel body 33 (glass panel), an upper frame 31 that supports the upper end of the glass panel body 33, a lower frame 32 that supports the lower end of the glass panel body 33, and two front-facing direction movement door rollers 34. The glass panel body 33 has three glass panels 331, and is composed of double-glazed glass that is stacked in the front-facing direction with an air layer between them by placing spacers 332 between them.

As shown in FIG. 1, the two facing direction movable door rollers 34 are attached to the lower end of the sliding moving door 30 at both ends of the sliding moving door 30 in the left-right direction X so as to be movable in the left-right direction X. As shown in FIG. 5A, the facing direction movable door rollers 34 are fixed to the lower end of the glass panel body 33 via a mounting frame body 35.

Of the two facing direction movable door rollers 34, the facing direction movable door roller 34 arranged on the left side X2 in the left-right direction X is arranged closer to the center than the end of the left side X2 in the left-right direction X of the sliding moving shoji screen 30, avoiding the slide side lower opening and closing mechanism 9 arranged on the end of the left side X2 in the left-right direction X, as shown in FIG. 1.

As shown in FIG. 11, the two forward-direction movable door rollers 34 have a wheel support portion 341 and two sets of four wheels 342. Each of the two sets of four wheels 342 is formed in a disk shape that can rotate around a rotation axis extending in the forward direction Y.

As shown in FIG. 11, the two sets of four wheels 342 are arranged in two sets in the forward direction Y, with the radial direction of the four wheels 342 aligned in the forward direction X, and the wheels 342 are arranged in two sets in the forward direction Y. The four wheels 342 are arranged in a line in the direction in which the forward direction moving door roller 34 travels. The two sets of four wheels 342 are formed in a disk shape that can rotate around a rotation axis that extends in the forward direction Y, and are therefore movable in the forward direction X.

The wheel support part 341 supports two sets of four wheels 342. The wheel support part 341 is constructed as a single unit. The wheel support part 341 supports the two sets of four wheels 342 as a single unit so that their relative positions do not change. The four wheels 342 are attached to the wheel support part 341 at a predetermined interval P (see Figure 18).

The traveling surface on which the two sets of four wheels 342 of the front-direction moving door roller 34 travel will be described. As shown in FIG. 12, on the right side X1 of the left-right direction X of the lower frame 12, a right-side sliding rail plate 181 is fixed to the upper surface of the front-direction moving support frame 126a of the lower support frame 126. On the left side X2 of the left-right direction X of the lower frame 12, a right-side sliding rail plate 181 is fixed to the upper surface of the motor side frame part 171 of the slide side lower rotating cover part 17. As shown in FIG. 13, the right-side sliding rail plate 181 and the left-side sliding rail plate 183 are arranged in succession in the left-right direction X with a gap G between them. The front-direction moving door roller 34 can move in the left-right direction X with the upper surface of the right-side sliding rail plate 181 and the upper surface of the left-side sliding rail plate 183 as the traveling surface.

As shown in FIG. 15, the entire bottom frame 32 of the sliding screen 30 is disposed inside the bottom frame 12. The bottom frame 32 is formed in a U-shape with an open upper portion. The lower end of the glass panel body 33 is disposed in the open portion of the bottom frame 32.

The upper end 321 of the exterior side Y1 of the lower frame 32 is positioned below the upper end of the exterior upper horizontal protrusion 123 of the lower frame 12. The upper end 322 of the interior side Y2 of the lower frame 32 is positioned below the upper end of the interior fixed lid 125 of the lower frame.

As shown in FIG. 15, on the outdoor side Y1 of the sliding screen 30 in the prospective direction Y, the distance L2a between the glass panel body 33 of the sliding screen 30 and the bottom frame 12 is greater than the distance L2b between the bottom frame 32 and the bottom frame 12 (L2a > L2b).

Therefore, even if the sliding screen 30 moves to the outside Y1 in the projection direction Y when the airtight material 123b is not attached to the fitting portion 123a, the bottom frame 32 hits the bottom frame 12 first, preventing the glass panel body 33 from hitting the bottom frame 12.

In addition, in this embodiment, since the airtight material 123b is attached to the fitting portion 123a, when the sliding screen 30 moves to the outside Y1 in the projection direction Y, the lower frame 32 first hits the airtight material 123b. The airtight material 123b functions as a restricting member that restricts the movement of the lower frame 32 in the projection direction Y.

In addition, on the indoor side Y2 of the sliding screen 30 in the forward direction Y, the distance L2c between the glass panel body 33 of the sliding screen 30 and the lower frame 12 is greater than the distance L2d between the lower frame 32 and the end 172a on the outdoor side Y1 of the lid side frame portion 172 of the sliding side lower rotating lid portion 17 arranged on the lower frame 12 (L2c > L2d).

Therefore, even if the sliding screen 30 moves to the indoor side Y2 in the projection direction Y, the bottom frame 32 hits the outdoor side Y1 end 172a of the lid side frame part 172 of the sliding side lower rotating lid part 17 arranged on the bottom frame 12 before the glass panel body 33 hits the bottom frame 12. In this embodiment, the lid side frame part 172 of the sliding side lower rotating lid part 17 arranged on the bottom frame 12 functions as a restricting member that restricts the movement of the bottom frame 32 in the projection direction Y.

The parallel side prospective direction movement mechanism 4 will be described. The parallel side prospective direction movement mechanism 4 supports and connects two points at the upper end of the parallel moving shoji 20 and two points at the lower end of the parallel moving shoji 20, and moves the parallel moving shoji 20 in the prospective direction Y. A total of four parallel side prospective direction movement mechanisms 4 are provided, two on each of the upper and lower sides of the parallel moving shoji 20. The parallel moving shoji 20 is supported by four parallel side prospective direction movement mechanisms 4.

In this embodiment, of the four parallel side prospective direction movement mechanisms 4, the parallel side prospective direction movement mechanism 4 that supports the left part of the lower edge of the parallel moving screen 20 will be described in detail. The other three parallel side prospective direction movement mechanisms 4 have different up-down and left-right orientations, but have the same basic structure. Therefore, the description of the parallel side prospective direction movement mechanism 4 described below can be used to describe the other three parallel side prospective direction movement mechanisms 4.

The parallel side forward direction movement mechanism 4 can move the parallel moving screen 20 only in the forward direction Y. The parallel side forward direction movement mechanism 4 can move the parallel moving screen 20 to the outdoor side Y1 position shown in FIG. 4A and the indoor side Y2 position shown in FIG. 4B.

As shown in FIG. 16, the parallel side forward direction movement mechanism 4 includes a base plate 41, a parallel movement motor 42 (drive unit), a universal joint shaft 43, a power conversion mechanism 44, a forward direction movement shaft 45 (movement shaft), and a movement plate 46 on which a protruding pin member 47 (pin member) is formed. The parallel movement screen 20 and each of the four parallel side forward direction movement mechanisms 4 are connected by an L-shaped connection portion 48 (connection portion).

The base plate 41 is formed in an L-shaped plate shape. The base plate 41 has an interior left-right extending plate 411 that extends in the left-right direction X on the interior side Y2 of the lower frame 12, and a forward extending plate 412 that extends from the end of the left side X2 of the interior left-right extending plate 411 to the exterior side Y1.

The parallel movement motor 42 is disposed at the end of the right side X1 in the left-right direction X of the indoor left-right extension plate 411 of the base plate 41. The parallel movement motor 42 has a motor body 421 and a motor shaft 422 that protrudes from the end of the left side X2 in the left-right direction X of the motor body 421 to the left side X2. The motor shaft 422 extends in the left-right direction X. The motor shaft 422 is connected to the universal joint shaft 43.

The universal joint shaft 43 is connected to the motor shaft 422 of the parallel movement motor 42. The universal joint shaft 43 can change its orientation to a position slightly shifted in the forward-backward direction Y and in the up-down direction while maintaining its axial direction in the forward-backward direction X. In this embodiment, the universal joint shaft 43 extends in the forward-backward direction X in a side view while changing its orientation to a position slightly shifted in the forward-backward direction Y.

The power conversion mechanism 44 converts the axial direction of the first gear 441 connected to the universal joint shaft 43 from the left-right direction X to the forward direction Y. The power conversion mechanism 44 has a first gear 441 and a second gear 442.

The first gear 441 is connected to the left end X2 of the universal joint shaft 43 and is configured to be rotatable around an axis extending in the left-right direction X. A helical gear that revolves around an axis extending in the left-right direction X is formed on the outer circumferential surface of the first gear 441.

The second gear 442 is configured to be rotatable around an axis extending in the prospective direction Y. On the outer circumferential surface of the second gear 442, multiple groove-shaped gears extending in the prospective direction Y are formed in a line in the circumferential direction around the axis extending in the prospective direction Y.

The grooved gear of the second gear 442 is connected in a meshed state with the spiral gear of the first gear 441. The power conversion mechanism 44 converts the power transmitted in the axial direction (left-right direction X) of the first gear 441 connected to the universal joint shaft 43 into the axial direction (forward direction Y) of the second gear 442.

The prospective direction movement shaft 45 is connected to the motor shaft 422 of the parallel movement motor 42 via the power conversion mechanism 44. The prospective direction movement shaft 45 extends in the prospective direction Y that is perpendicular (intersecting) to the direction in which the motor shaft 422 of the parallel movement motor 42 extends.

The prospective direction moving shaft 45 is connected to the second gear 442 so that its axial direction coincides with the axial direction of the second gear 442. A moving plate 46 is connected midway in the axial direction (prospective direction Y) of the prospective direction moving shaft 45. The prospective direction moving shaft 45 has a feed screw mechanism that moves the moving plate 46 in the prospective direction Y.

The moving plate 46 can move in the prospective direction Y along the axial direction of the prospective direction moving shaft 45. The prospective direction moving shaft 45 moves the moving plate 46 along its axial direction, thereby moving the parallel moving screen 20 connected to the moving plate 46 along the prospective direction Y. A protruding pin member 47 protrudes from the upper surface of the moving plate 46.

The protruding pin member 47 is formed in a cylindrical pin shape and protrudes upward from the upper surface of the moving plate 46.

The L-shaped connector 48 connects the parallel moving screen 20 and the parallel side forward direction moving mechanism 4. The L-shaped connector 48 is formed in an L shape with the upper side of the outside side Y1 open, and has a horizontal member 481 extending in the forward direction Y and a vertical member 482 extending vertically.

The parallel moving shoji screen 20 is connected to the vertical member 482. The parallel side forward direction moving mechanism 4 is connected to the horizontal member 481.

The horizontal member 481 has a through hole 481a that penetrates in the vertical direction. The protruding pin member 47 of the moving plate 46 of the parallel side prospective direction movement mechanism 4 is inserted into the through hole 481a with a gap S1. The parallel side prospective direction movement mechanism 4 and the L-shaped connecting part 48 are connected with play. The play is created by the gap S1 that is formed between the through hole 481a and the protruding pin member 47.

The gap S1 is formed by a space that is formed in a ring shape from the outer peripheral surface of the protruding pin member 47 to the inner peripheral edge of the through hole 481a in the horizontal direction. The protruding pin member 47 is inserted into the through hole 481a in a state in which it can move in either direction in the horizontal direction by the amount of the gap S1.

The parallel side prospective direction movement mechanism 4 configured as described above supports and moves the parallel moving shoji 20 at two locations at the top end and two locations at the bottom end of the parallel moving shoji 20. The parallel side prospective direction movement mechanism 4 is connected with play by providing a gap S1 between the protruding pin member 47 and the through hole 481a of the L-shaped connecting part 48 at each of the four locations that support the parallel moving shoji 20. Therefore, even if there is an error in mounting the motor or a manufacturing error in the motor, the error can be absorbed by the gap S1 between the protruding pin member 47 and the through hole 481a of the L-shaped connecting part 48, so the parallel moving shoji 20 can be moved stably and smoothly in the prospective direction Y.

When the parallel moving screen 20 is in the closed position, the movement of the parallel moving screen 20 in the projection direction Y is restricted by a parallel side projection position restricting mechanism 8 (restricting member moving part) below the interior side Y2 as shown in FIG. 17 so that the parallel moving screen 20 does not fall toward the interior side Y2. The parallel side projection position restricting mechanism 8 is disposed closer to the right side X1 than the center of the lower frame 12 in the left-right direction X as shown in FIG. 1.

As shown in Figures 3A, 3B and 17, the parallel side prospective position restricting mechanism 8 moves the restricting member 84 between a restricting position (see Figures 3A and 17) that restricts the movement of the parallel moving shoji 20 in the prospective direction, and a non-restricting position (see Figure 4A) that allows the movement of the parallel moving shoji 20 in the prospective direction.

As shown in FIG. 17, the parallel side prospective position regulating mechanism 8 includes a regulating member moving motor 81, a power conversion mechanism 82, a rotating shaft member 83, and a regulating member 84. The regulating member 84 regulates the movement of the parallel moving screen 20 in the prospective direction Y at the lower end of the parallel moving screen 20.

The regulating member moving motor 81 has a motor body 811 and a motor shaft 812 that protrudes from the end of the motor body 811 on the left side X2 in the left-right direction X to the left side X2. The motor shaft 812 extends in the left-right direction X. The motor shaft 812 is connected to the power conversion mechanism 82.

The power conversion mechanism 82 converts the axial direction of the first gear 821 connected to the motor shaft 812 from the left-right direction X to the forward direction Y. The power conversion mechanism 82 has a first gear 821 and a second gear 822.

The first gear 821 is connected to the left end X2 of the motor shaft 812 of the regulating member moving motor 81, and is configured to be rotatable around an axis extending in the left-right direction X. A helical gear that revolves around an axis extending in the left-right direction X is formed on the outer circumferential surface of the first gear 821.

The second gear 822 is configured to be rotatable around an axis extending in the prospective direction Y. On the outer circumferential surface of the second gear 822, multiple groove-shaped gears extending in the prospective direction Y are formed in a line in the circumferential direction around the axis extending in the prospective direction Y.

The grooved gear of the second gear 822 is connected in a meshed state with the spiral gear of the first gear 821. The power conversion mechanism 82 converts the power transmitted in the axial direction (left-right direction X) of the first gear 821 connected to the motor shaft 812 of the regulating member movement motor 81 into the axial direction (forward direction Y) of the second gear 822.

The rotating shaft member 83 extends in the projection direction Y. The rotating shaft member 83 is connected to the second gear 822 so that its axial direction coincides with the axial direction of the second gear 822. A restricting member 84 is connected to the end of the rotating shaft member 83 on the indoor side Y2.

When the rotating shaft member 83 is rotated, the restricting member 84 rotates between a restricting position (see FIG. 3A) where it protrudes upward and restricts the movement of the parallel moving screen 20 toward the indoor side Y2, and a non-restricting position (see FIG. 4A) where it does not protrude upward and allows the parallel moving screen 20 to move toward the indoor side Y2. As a result, when the parallel moving screen 20 is positioned on the outdoor side Y1, the parallel side anticipated position restricting mechanism 8 restricts the movement of the parallel moving screen 20 toward the indoor side Y2 below the indoor side Y2 so that the parallel moving screen 20 does not fall toward the indoor side Y2.

The slide side sight direction movement mechanism 5 will be described. As shown in FIG. 1, the slide side sight direction movement mechanism 5 is disposed within the upper frame 11. As shown in FIG. 1 and FIG. 5A, the slide side sight direction movement mechanism 5 includes a pair of motors 501, a pair of pulleys 502, a rotating belt 503 stretched around the pair of pulleys 502, a connecting member 504, and an anti-vibration mechanism 505.

The motor 501 drives and rotates the pulley 502. As shown in FIG. 1, the pulley 502 is disposed above the sliding screen 30 and spaced apart in the left-right direction X. When driven by the motor 501, the pulley 502 rotates about a rotation axis extending in the up-down direction.

The rotating belt 503 is formed into a ring shape by an endless belt and is stretched around a pair of pulleys 502 spaced apart in the left-right direction X. The rotating belt 503 rotates as the pulleys 502 rotate.

As shown in FIG. 5A, the connecting member 504 is connected to the lower portion of the rotating belt 503. The connecting member 504 has an L-shaped cross section and connects the L-shaped metal fitting 301 connected to the upper end of the sliding screen 30 to the rotating belt 503. By rotating the rotating belt 503 and moving the connecting member 504 in the left-right direction X, the sliding screen 30 is moved in the left-right direction X.

The anti-sway mechanism 505 reduces the vibration of the sliding screen 30 in the forward direction Y. As shown in FIG. 5A, the anti-sway mechanism 505 has an anti-sway rail frame 505a, a roller member 505b, and a roller support member 505c.

The anti-vibration rail frame 505a has a cross-sectional shape that is U-shaped and opens upward, and extends in the left-right direction X in the range of the left-right direction X in which the rotating belt 503 is positioned.

The roller member 505b is formed of a disk-shaped roller member arranged so that the radial direction is approximately horizontal. The roller member 505b is arranged inside the anti-vibration rail frame 505a, and the diameter of the roller member 505b is formed to be approximately the same size as the width of the inner side of the anti-vibration rail frame 505a. The roller member 505b is attached to the lower surface of the roller support member 505c so as to be rotatable around a rotation axis extending in the vertical direction.

The roller support member 505c has an L-shaped cross section, supports the roller member 505b, and is connected to the connecting member 504. When the sliding screen 30 and the connecting member 504 are moved in the left-right direction X of the front view, the roller support member 505c moves in the left-right direction X of the front view at the same time that the connecting member 504 moves in the left-right direction X.

In the sliding side sight direction movement mechanism 5 configured as described above, the motor 501 rotates the pulley 502, which rotates the rotating belt 503. This allows the sliding side sight direction movement mechanism 5 to move the sliding moving screen 30 in the left-right direction X via the connecting member 504.

In addition, the anti-sway mechanism 505 can reduce the vibration in the projection direction Y when the sliding screen 30 is moved in the left-right direction X by the roller member 505b being guided by the anti-sway rail frame 505a.

By moving the sliding screen 30 in the left-right direction X using the sliding side sight direction movement mechanism 5, the sight direction movement door roller 34 of the sliding screen 30 moves along the boundary between the sliding right rail plate 181 located on the right side X1 of the left-right direction X and the sliding left rail plate 183 located on the left side X2 of the left-right direction X.

In this embodiment, the wheels 342 of the front-direction moving door roller 34 that moves on the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 are configured as shown in FIG. 11, with four wheels 342 arranged side by side in the left-right direction X in which the front-direction moving door roller 34 runs, and two sets arranged side by side in the front-direction Y. Of the two sets of four wheels 342, four wheels 342 are fixed rotatably to the wheel support part 341 as a unit so that the state of being arranged in a straight line does not change. When the front-direction moving door roller 34 is tilted as a whole, the four wheels 342 tilt as a whole together with the wheel support part 341.

In this embodiment, as shown in FIG. 13, the sliding right rail plate 181 on the right side X1 in the left-right direction X and the sliding left rail plate 183 on the left side X2 in the left-right direction X are arranged side by side in the left-right direction X with a gap G provided between the sliding right rail plate 181 and the sliding left rail plate 183 at their boundary.

As shown in FIG. 18, the gap G is formed at a distance that allows the front-direction movable door roller 34 to pass through without falling. The gap G is formed at least so that the sliding right rail plate 181 and the sliding left rail plate 183 are separated from each other, and is formed at a distance smaller than the diameter R of the wheel 342.

The right sliding rail plate 181 and the left sliding rail plate 183 are formed from plate-shaped members. The upper surface of the right sliding rail plate 181 and the upper surface of the left sliding rail plate 183 form the running surface on which the wheels 342 of the front-direction moving door roller 34 run.

As shown in FIG. 13, the underside of the right side rail plate 181 for sliding is supported by the support frame 126a for movement in the facing direction of the lower support frame 126. The end side of the right side rail plate 181 for sliding on the side of the left side rail plate 183 for sliding is formed to protrude from the support frame 126a for movement in the facing direction of the lower support frame 126 towards the left side rail plate 183 for sliding, and is configured as a free end.

A space K1 is provided below the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183. Therefore, when a load is applied to the end of the right sliding rail plate 181, the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 bends toward the space K1 on the lower side.

As shown in FIG. 18, the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 is formed with a bent portion 181a that bends downward and an extension portion 181b that extends downward from the lower end of the bent portion 181a. The bent portion 181a is formed in a curved shape having an R (R shape). The bent portion 181a may also be formed in an inclined shape having an incline.

The right side sliding rail plate 181 is formed, for example, from a stainless steel plate. The end of the right side sliding rail plate 181 is formed as a free end and has elastic repulsive force. By providing a space K1 below, the end side of the right side sliding rail plate 181, which is not supported from below, can bend due to a load from above, and when the load from above is removed, a force acts to return it to its original shape.

As shown in FIG. 13, the bottom surface of the left sliding rail plate 183 is supported by the motor side frame 171 of the lower sliding side rotating lid 17. The end side of the left sliding rail plate 183 on the side of the right sliding rail plate 181 is formed to protrude from the motor side frame 171 of the lower sliding side rotating lid 17 toward the right sliding rail plate 181, and is configured as a free end.

A space K2 is provided below the end of the left sliding rail plate 183 on the side of the right sliding rail plate 181. Therefore, when a load is applied to the end of the left sliding rail plate 183, the end of the left sliding rail plate 183 on the side of the right sliding rail plate 181 bends toward the space K2 on the lower side.

As shown in FIG. 18, it is preferable that the distance D from the end 126c on the lower support frame 126 side in the space K1 below the end on the gap G side of the sliding right rail plate 181 to the end 171b on the motor side frame portion 171 side in the space K2 below the end on the gap G side of the sliding left rail plate 183 is greater than the distance P between adjacent wheels 342 (D>P).

This is because if the two wheels 342 of the front-direction moving door roller 34 are placed on the free end of the sliding right rail plate 181 and the free end of the sliding left rail plate 183 at the same time, the load of the two wheels 342 acts simultaneously on the free end of the sliding right rail plate 181 and the free end of the sliding left rail plate 183, making it difficult to run the front-direction moving door roller 34 stably.

As shown in FIG. 18, the end of the left sliding rail plate 183 on the side of the right sliding rail plate 181 has a bent portion 183a that bends downward and an extension portion 183b that extends downward from the lower end of the bent portion 183a. The bent portion 183a is formed in a curved shape having an R (R shape). The bent portion 183a may also be formed in an inclined shape having an incline.

The left sliding rail plate 183 is formed, for example, from a stainless steel plate. The end of the left sliding rail plate 183 is formed as a free end and has elastic repulsive force. By providing a space K2 below, the end side of the left sliding rail plate 183, which is not supported from below, can bend due to a load from above, and when the load from above is removed, a force acts to return it to its original shape.

In the above-mentioned right sliding rail plate 181 and left sliding rail plate 183, when the wheel 342 of the forward moving door roller 34 passes through the gap G at the boundary between the right sliding rail plate 181 and the left sliding rail plate 183, the end of the right sliding rail plate 181 facing the left sliding rail plate 183 is configured as a free end, and the end of the left sliding rail plate 183 facing the right sliding rail plate 181 is configured as a free end, so that it bends downward and can absorb noise caused by the step.

Next, the operation of the front-direction movable door roller 34 when passing through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183 will be described. In this embodiment, as shown in FIG. 18, when the sliding right rail plate 181 has a step positioned at a height H1 higher than the sliding left rail plate 183, the operation of the front-direction movable door roller 34 when moving from the sliding left rail plate 183 side to the sliding right rail plate 181 side and when moving from the sliding right rail plate 181 side to the sliding left rail plate 183 side will be described.

The height H1 of the step between the right sliding rail plate 181 and the left sliding rail plate 183 is preferably as close to 0 (zero) as possible. However, taking into consideration design errors such as manufacturing errors and installation errors of components, it is preferable to design the step height H1 including the design error so that it is within a range in which the wheel 342 does not get caught when going over the step. The height H1 of the step between the right sliding rail plate 181 and the left sliding rail plate 183 is preferably smaller than 10% of the diameter R of the wheel 342 (R x 10% > H1), for example, so that the wheel 342 does not get caught when going over the step.

First, the operation of the front-direction moving door roller 34 that moves from the left-side sliding rail plate 183 side to the right-side sliding rail plate 181 side will be described. In the upper diagram of FIG. 18, when the front-direction moving door roller 34 moves from the left-side sliding rail plate 183 side to the right-side sliding rail plate 181 side, the leading wheel 342 of the front-direction moving door roller 34 in the direction of travel moves horizontally while floating above the end of the left-side sliding rail plate 183 in the gap G, and the three wheels 342 behind the leading wheel 342 are supported by the left-side sliding rail plate 183, so they continue to move forward until they hit the end of the right-side sliding rail plate 181.

When the facing direction movable door roller 34 travels toward the sliding right rail plate 181 from the state shown in the upper diagram of FIG. 18, a space K1 is formed below the end of the sliding right rail plate 181 on the sliding left rail plate 183 side, as shown in the middle diagram of FIG. 18, so that the leading wheel 342 bends the end of the sliding right rail plate 181 on the sliding left rail plate 183 side downward while pressing it downward.

As a result, the end side of the sliding right rail plate 181 can bend downward due to the space K1, allowing the load of the sliding screen 30 to be released. This reduces noise when the facing direction moving door roller 34 passes over the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

The bent portion 181a is formed in a curved or inclined shape. Therefore, the wheel 342 moves while hitting the bent portion 181a of the right sliding rail plate 181, so the wheel 342 can be smoothly guided and run, reducing noise.

As the front-direction moving door roller 34 advances toward the sliding right rail plate 181 from the state shown in the middle diagram of FIG. 18, the leading wheel 342 rides up onto the portion of the sliding right rail plate 181 that is supported from below, and the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183 returns to its original state where it is not pressed. Here, as shown in the bottom diagram of FIG. 18, the front-direction moving door roller 34 is running with the leading wheel 342 in contact with the top surface of the sliding right rail plate 181 and the fourth wheel 342 from the front in contact with the top surface of the sliding left rail plate 183.

Then, as the facing direction moving door roller 34 advances in the forward direction, the second wheel 342 from the front presses downward on the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183, bending it downward, as shown in the upper diagram of Figure 19.

In this state, when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the second wheel 342 from the front approaches the gap G, the front wheel 342 and the fourth wheel 342 from the front receive the load, so the wheel 342 that has reached the gap G is unlikely to be subjected to the load. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

As the front-direction movable door roller 34 advances in the travel direction from the state shown in the top diagram of FIG. 19, the third wheel 342 from the front bends the end of the right-side sliding rail plate 181 facing the left-side sliding rail plate 183 downward while pressing downward, as shown in the middle diagram of FIG. 19. Here, the front-direction movable door roller 34 is traveling with the third wheel 342 from the front in contact with the top surface of the right-side sliding rail plate 181 and the fourth wheel 342 from the front in contact with the top surface of the left-side sliding rail plate 183.

In this state, when the front-facing moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the third wheel 342 from the front approaches the gap G, the second wheel 342 from the front and the fourth wheel 342 receive the load, so the wheel 342 that has reached the gap G is unlikely to be subjected to the load. Therefore, it is possible to reduce noise when the front-facing moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

As the front-direction moving door roller 34 advances in the travel direction from the state shown in the middle diagram of FIG. 19, the load on the tip side of the front-direction moving door roller 34 increases as shown in the bottom diagram of FIG. 19, the front-direction moving door roller 34 becomes horizontal, and the front-direction moving door roller 34 travels with the first three wheels 342 in contact with the top surface of the sliding right rail plate 181. Then, as the front-direction moving door roller 34 advances further in the travel direction, the front-direction moving door roller 34 can pass through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

Next, the operation of the front-direction moving door roller 34 when moving from the sliding right rail plate 181 side to the sliding left rail plate 183 side will be described. In the upper diagram of FIG. 20, when the front-direction moving door roller 34 moves from the sliding right rail plate 181 side to the sliding left rail plate 183 side, the four wheels 342 are supported integrally by the wheel support portion 341, and the load on the tip side of the front-direction moving door roller 34 is not large, so that it moves horizontally from the state shown in the upper diagram of FIG. 20 to a state in which the first wheel 342 and the second wheel 342 from the front are raised, as shown in the middle diagram of FIG. 20.

As shown in the lower part of Figure 20, when the third wheel 342 from the front passes over the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183, the load acting on the front wheel 342 increases, and the third wheel 342 from the front presses downward on the end of the sliding right rail plate 181 on the side of the sliding left rail plate 183, bending it downward, so that the fourth wheel 342 from the front comes into contact with the top surface of the sliding right rail plate 181.

In this state, when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, even if the third wheel 342 from the front approaches the gap G, the front wheel 342 and the fourth wheel 342 receive the load, so the wheel 342 that has reached the gap G is unlikely to be subjected to the load. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

As the front-direction movable door roller 34 advances from the state shown in the lower diagram of FIG. 20 toward the left sliding rail plate 183, the third wheel 342 from the front becomes floating as shown in the upper diagram of FIG. 21, and the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 returns to its original, unpressed state.

As the front-direction movable door roller 34 advances from the state shown in the top diagram of FIG. 21 toward the left sliding rail plate 183, the fourth wheel 342 from the front presses downward on the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183, bending it downward, as shown in the middle diagram of FIG. 21.

As the forward-direction movable door roller 34 advances toward the left sliding rail plate 183 from the state shown in the middle diagram of FIG. 21, the fourth wheel 342 from the front passes through the gap G and moves toward the right sliding rail plate 181. Here, the fourth wheel 342 from the front moves toward the right sliding rail plate 181 while returning the end of the right sliding rail plate 181 on the side of the left sliding rail plate 183 downward, bending it downward, and then returning it to its original state.

The configuration of the first embodiment described above provides the following effects. The panoramic window 1 of this embodiment includes a sliding screen 30 equipped with a front-direction moving door roller 34, and a lower frame 12 along which the front-direction moving door roller 34 runs. The lower frame 12 has a right-side sliding rail plate 181 and a left-side sliding rail plate 183 that are arranged in succession with a gap G therebetween within the range along which the front-direction moving door roller 34 runs, and the front-direction moving door roller 34 has three or more wheels 342 arranged in a row in the direction along which the front-direction moving door roller 34 runs.

As a result, even if one wheel 342 enters the gap G when passing through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183, the other two wheels 342 receive the load, so the wheel 342 that enters the gap G is less likely to be loaded. Therefore, it is possible to reduce noise when the front-direction moving door roller 34 passes through the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

In addition, in this embodiment, spaces K1 and K2 are provided below the ends of the gap G side of the sliding right rail plate 181 and the sliding left rail plate 183. Therefore, the ends of the sliding right rail plate 181 and the sliding left rail plate 183 can bend downward due to the spaces K1 and K2, allowing the load of the sliding moving screen 30 to escape. This further reduces the noise generated when the front-direction moving door roller 34 passes over the boundary between the sliding right rail plate 181 and the sliding left rail plate 183.

In addition, in this embodiment, the ends of the right sliding rail plate 181 and the left sliding rail plate 183 on the gap G side are formed with bent portions 181a, 183a that bend downward, and the bent portions 181a, 183a are formed with an arc shape or an inclined shape. Therefore, the wheel 342 moves while hitting the bent portions 181a, 183a of the adjacent right sliding rail plate 181 and the adjacent left sliding rail plate 183 that are further in the traveling direction, so that the wheel 342 can be smoothly guided to run against the adjacent right sliding rail plate 181 and the adjacent left sliding rail plate 183 that are further in the traveling direction, and noise can be reduced.

The second embodiment will be described. Note that in the second embodiment, differences from the first embodiment will be mainly described. In the second embodiment, configurations that are the same as or equivalent to those in the first embodiment will be described with the same reference numerals, and duplicate descriptions will be omitted as appropriate.

In the second embodiment, instead of the slide-side lower opening/closing mechanism 9 shown in FIG. 10 of the first embodiment, a slide-side lower opening/closing mechanism 9A is provided as shown in FIG. 22.

As shown in FIG. 22, the slide-side lower opening/closing mechanism 9A includes a base plate 981, a slide-side lower opening/closing motor 982, a universal joint shaft 983, a lid rotating shaft 984, and a rotating plate 985.

The base plate 981 is disposed on the outdoor side Y1 of the lower frame 12 and is formed as a flat plate extending in the left-right direction X.

The motor 982 for opening and closing the lower part of the slide side is disposed at the end of the left side X2 in the left-right direction X of the base plate 981. The motor 982 for opening and closing the lower part of the slide side has a motor body 982a and a motor shaft 982b that protrudes from the end of the right side X1 in the left-right direction X of the motor body 982a to the right side X1. The motor shaft 982b extends in the left-right direction X. The motor shaft 982b is connected to the universal joint shaft 983.

The universal joint shaft 983 is connected to the motor shaft 982b of the motor 982 for opening and closing the lower part of the sliding side, and extends in the left-right direction X in a plan view with its orientation changed to a position slightly shifted from below to above. The universal joint shaft 983 can change its orientation to a position slightly shifted in the prospective direction Y and in the up-down direction while maintaining its axial direction in the left-right direction X.

The lid rotation shaft 984 extends in the left-right direction X. The lid rotation shaft 984 is connected to the universal joint shaft 983 so that its axial direction coincides with the axial direction of the end of the universal joint shaft 983 on the right side X1 in the left-right direction X. A rotation plate 985 is connected to the axial end of the lid rotation shaft 984. The rotation plate 985 is connected to the end face of the right side X1 in the left-right direction X of the sliding side lower rotating lid 17. By rotating the rotation plate 985 around the axis of the lid rotation shaft 984, the sliding side lower rotating lid 17 connected to the rotation plate 985 can be rotated.

In the above-described sliding side lower opening/closing mechanism 9A, the sliding side lower opening/closing motor 982, the universal joint shaft 983, and the lid rotating shaft 984 are arranged in a straight line in the left-right direction X in a plan view. The sliding side lower opening/closing motor 982 is provided on the left side X2 end side in the left-right direction within the lower frame 12 below the running line that extends in the direction in which the sliding moving screen 30 runs, avoiding the portion where the front-direction moving door roller 34 of the sliding moving screen 30 runs.

As a result, the sliding-side lower opening/closing motor 982 can be positioned along the left-right direction X of the lower frame 12, which reduces the width and vertical size of the lower frame 12. This allows the lower frame 12 to be made compact.

The third embodiment will be described. Note that in the third embodiment, differences from the first embodiment will be mainly described. In the third embodiment, configurations that are the same as or equivalent to those in the first embodiment will be described with the same reference numerals, and duplicate descriptions will be omitted as appropriate.

The third embodiment has a parallel side prospective direction movement mechanism 4A (drive mechanism) shown in Figures 23 to 25 instead of the parallel side prospective direction movement mechanism 4 (drive mechanism) shown in Figures 4A and 16 of the first embodiment.

As shown in Figures 23 and 24, the parallel side forward direction movement mechanism 4A includes a base plate 51, a parallel movement motor 52 (drive unit), a connecting shaft 53, a power conversion mechanism 54, a forward direction movement shaft 55 (movement shaft), a moving plate 56 on which a pair of side-projecting pin members 57 (pin members) are formed, and an interior position detection unit 59.

As shown in FIG. 23, at the lower end of the parallel moving shoji 20, the parallel moving shoji 20 is connected to each of the two parallel side forward direction movement mechanisms 4A by a U-shaped connector 58 (connection part). At the upper end of the parallel moving shoji 20, the parallel moving shoji 20 is connected to each of the two parallel side forward direction movement mechanisms 4A by an L-shaped connector 585 (connection part) and a U-shaped connector 58 (connection part).

The base plate 51 is formed in an L-shape as shown in FIG. 24. The base plate 51 has an interior left-right extending plate 511 that extends in the left-right direction X on the interior side Y2 of the lower frame 12, and a forward extending plate 512 that extends from the end of the left side X2 of the interior left-right extending plate 511 to the exterior side Y1.

The parallel movement motor 52 is disposed on the right side X1 in the left-right direction X of the indoor left-right extension plate 511 of the base plate 51. The parallel movement motor 52 has a motor body 521 and a motor shaft (not shown) that protrudes to the left side X2 from the end of the motor body 521 on the left side X2 in the left-right direction X. The motor shaft is connected to a connecting shaft 53. The connecting shaft 53 extends in the left-right direction X.

The power conversion mechanism 54 converts the axial direction of the first gear 541 connected to the connecting shaft 53 from the left-right direction X to the forward direction Y. The power conversion mechanism 54 has the same configuration as the power conversion mechanism 44 of the first embodiment, so the corresponding reference numerals are used and the description is omitted.

The prospective direction movement shaft 55 is connected to the parallel movement motor 52 via the power conversion mechanism 54. The prospective direction movement shaft 55 extends in the prospective direction Y that is perpendicular (intersecting) to the direction in which the motor shaft of the parallel movement motor 52 extends.

The prospective direction moving shaft 55 is connected to the second gear 542 so that its axial direction coincides with the axial direction of the second gear 542. A moving plate 56 is connected midway in the axial direction (prospective direction Y) of the prospective direction moving shaft 55. The prospective direction moving shaft 55 has a feed screw mechanism that moves the moving plate 56 in the prospective direction Y.

The moving plate 56 can move in the prospective direction Y along the axial direction of the prospective direction moving shaft 55. The prospective direction moving shaft 55 moves the moving plate 56 along its axial direction, thereby moving the parallel moving screen 20 connected to the moving plate 56 along the prospective direction Y. As shown in Figures 24 and 25, a pair of lateral protruding pin members 57 protrude from both the left and right side surfaces of the moving plate 56 in the left and right direction X.

The laterally protruding pin member 57 is formed in a cylindrical pin shape and protrudes outward in the left-right direction X from the side surface of the moving plate 56 in the left-right direction X at the same height as the axis of the forward direction moving shaft 55.

As shown in Figures 24 and 25, the U-shaped connecting portion 58 has a U-shaped support portion 581 that opens downward, and a vertical member 584 that extends upward from the end of the top surface of the U-shaped support portion 581 on the indoor side Y2 in the forward direction Y.

The parallel moving screen 20 is connected to the vertical member 584. The parallel side forward direction moving mechanism 4A is connected to the U-shaped support part 581.

The U-shaped support portion 581 has a horizontal plate portion 582 and a pair of side plate portions 583. The horizontal plate portion 582 extends from the lower end of the vertical member 584 toward the exterior side Y1 in the projection direction Y. The pair of side plate portions 583 each extend downward from both left and right ends of the horizontal plate portion 582.

As shown in Figures 23 to 25, each of the pair of side plate portions 583 has a pin guide slit 583a (through hole) that extends in the vertical direction and opens downward. The pin guide slit 583a penetrates the side plate portion 583 in the left-right direction X. The lateral protruding pin member 57 of the moving plate 56 of the parallel side prospective direction movement mechanism 4A is inserted into the pin guide slit 583a with a gap S2. The parallel side prospective direction movement mechanism 4A and the U-shaped connecting portion 58 are connected with play. The play is formed by the gap S2 formed between the pin guide slit 583a and the lateral protruding pin member 57.

The gap S2 is formed between the pin guide slit 583a and the laterally protruding pin member 57 in the prospective direction Y. In the prospective direction Y, the laterally protruding pin member 57 can move by the amount of the gap S2. In the vertical direction, the laterally protruding pin member 57 can move within the range of the pin guide slit 583a that extends in the vertical direction.

An L-shaped plate 583b is attached to the left side X2 of the pair of side plate sections 583 in the left-right direction X. When the horizontal plate 583c of the L-shaped plate 583b is placed in the slit of the indoor position detection unit 59, the indoor position detection unit 59 detects that the parallel moving shoji screen 20 is positioned at the indoor position Y2.

The parallel side prospective direction movement mechanism 4A configured as described above supports and moves the parallel moving shoji 20 at two points at the top and two points at the bottom of the parallel moving shoji 20. The parallel side prospective direction movement mechanism 4A is connected with play by providing a gap S2 between the pair of side protruding pin members 57 and the pin guide slit 583a of the U-shaped connecting part 58 at each of the four points that support the parallel moving shoji 20. Therefore, even if there is an error in mounting the motor or an error in manufacturing the motor, the error can be absorbed by the gap S2 between the side protruding pin member 57 and the pin guide slit 583a of the U-shaped connecting part 58, so that the parallel moving shoji 20 can be moved stably and smoothly in the prospective direction Y.

In addition, since the axis of the prospective direction moving shaft 55 and the side protruding pin member 57 are located at the same height, the U-shaped connecting portion 58 can connect the pair of side protruding pin members 57 from both sides of the prospective direction moving shaft 55 at the same height as the axis of the prospective direction moving shaft 55. As a result, even if there is a slight speed deviation at the two points at the top and two points at the bottom of the parallel moving screen 20, for example, the force that tilts the moving plate 56 is suppressed, and the moving plate 56 is suppressed from engaging with the feed screw mechanism of the prospective direction moving shaft 55. Therefore, the parallel moving screen 20 can be moved stably and smoothly in the prospective direction Y.

The above describes preferred embodiments of the present disclosure, but the present disclosure is not limited to the above-described embodiments and variations, and can be modified as appropriate.

For example, in the above embodiment, the opening/closing mechanism and drive mechanism for the open portion of the sliding screen or parallel screen are described as being used in a panoramic window, but this is not limited to this. For example, they can also be used in sliding windows, etc.

In addition, in the above embodiment, a mechanism is used to rotate the sash roller running surface and the floor forming surface as a unit, but this is not limited to this. The sash roller running surface may be, for example, a sliding type that slides from the prospective direction Y within the lower frame, or may be formed by a lifting mechanism within the lower frame.

In addition, in the above embodiment, the parallel side prospective position restriction mechanism 8 is configured to restrict the movement of the parallel moving shoji 20 in the prospective direction Y, but this is not limited to the above. The prospective position restriction mechanism may be configured to restrict the movement of the sliding moving shoji 30 in the prospective direction Y.

In addition, in the above embodiment, the parallel side forward direction movement mechanism 4 (drive mechanism) and the connecting part 48 are connected with some play, but this is not limited to the above. The shoji screen 20 and the connecting part 48 may be connected with some play.

In addition, in the above embodiment, the door roller is configured to pass through the boundary between multiple rails arranged in a row, but this is not limited to the above. The hoist may also be configured to pass through the boundary between multiple rails arranged in a row.

In addition, in the above embodiment, the wheels 342 of the find direction moving door roller 34 are configured with four wheels arranged side by side in the left-right direction X, but this is not limited to this. The wheels 342 of the find direction moving door roller 34 may be configured with three wheels arranged side by side, or may be configured with four or more wheels arranged side by side.

1 Panoramic window (door), 12 Bottom frame (horizontal frame), 30 Sliding shoji (shōji), 34 Front-direction moving door roller (door roller), 342 Wheel, 181 Right side sliding rail plate (rail), 183 Left side sliding rail plate (rail), G Gap, K1 Space, K2 Space

Claims (2)

A shoji screen equipped with a roller or a hanging wheel;
A horizontal frame along which the door roller or the hoist runs is provided,
The horizontal frame has a plurality of rails arranged in a row with gaps in between in the range in which the door roller or the hoist travels,
The door roller or the hoist has three or more wheels arranged in a line in the direction in which the door roller or the hoist runs,
At least one of the adjacent rails among the plurality of rails has a space provided below the end side on the gap side . A shoji screen equipped with a roller or a hanging wheel;
A horizontal frame along which the door roller or the hoist runs is provided,
The horizontal frame has a plurality of rails arranged in a row with gaps in between in the range in which the door roller or the hoist travels,
The door roller or the hoist has three or more wheels arranged in a line in the direction in which the door roller or the hoist runs,
At least one of the adjacent rails among the plurality of rails is formed so that an end side of the gap side is bent downward,
The shape of the downwardly curved portion of the fitting is formed into a curved shape having a radius or a sloped shape having a slope .

Images