JP7803791B2 - Building materials - Google Patents

Description

This invention relates to building materials that take thermal insulation into consideration.

Some sliding and single-sliding windows, which have inner and outer shoji screens in their frames, have frames constructed from metal profiles made from metals such as aluminum alloys and resin profiles made from resin, taking insulation into consideration. In some cases, this type of fittings has the upper frame covered with resin profiles between the visible surface of the exterior rail facing the interior and the interior portion, preventing the metal profiles from being exposed when viewed from the interior, thereby improving the appearance (see, for example, Patent Documents 1 and 2).

JP 2010-70943 A JP 2013-87562 A

However, with fixtures like those described in Patent Document 1, in which the area between the surface of the exterior rail facing the interior of the room and the exterior section is covered with a single resin extrusion, there is a concern that the components will be large and difficult to handle. Furthermore, when components are large, the impact of molding errors becomes greater, which could make assembly more difficult.

On the other hand, as in the fittings described in Patent Document 2, if the fittings are divided into an exterior portion of the resin profile that covers the space between the rails from the visible surface of the exterior rail facing the room, and an interior portion of the resin profile that covers the space between the visible surface of the interior rail facing the room and the interior portion of the interior rail, it is possible to prevent the above-mentioned problems caused by larger parts. However, on the inner shoji side, the joint between the exterior portion of the resin profile and the metal profile is exposed to the outside. This can result in outside air or water from outside entering the room through the gap between the resin profile and the metal profile.

In light of the above situation, the present invention aims to provide fittings that can prevent problems caused by larger components without allowing outside air or water from entering the room.

To achieve the above objective, the fitting of the present invention comprises a frame body made up of left and right vertical frames, an upper frame, and a lower frame assembled all around, and an inner shoji screen on the interior side and an outer shoji screen on the exterior side that are arranged on the frame body and slide in the direction of extension of the upper frame. The upper frame comprises a metal profile formed from metal and a resin profile formed from resin, and the upper frame is equipped with an inner horizontal rail that guides the sliding of the inner shoji screen and an outer horizontal rail that guides the sliding of the outer shoji screen. The horizontal rail is composed of a metal rail portion attached to the metal profile and a resin rail portion attached to the resin profile. The resin profile of the upper frame is arranged to cover the metal profile between the visible surface of the outer horizontal rail facing the interior of the room and the interior side, and is divided into an indoor and outdoor section between the inner periphery of the inner horizontal rail and the edge on the interior side of the room.

According to the present invention, because the plastic extrusions are divided into indoor and outdoor sections, there is no risk of the components becoming larger and making handling or assembly more complicated. Furthermore, because there are no joints in the plastic extrusions between the outer cross rail and the facing surface of the inner cross rail that faces the outside, there is no risk of outside air or water from outside entering the interior of the building through the joints in the plastic extrusions.

1 is a diagram showing a fitting according to an embodiment of the present invention as seen from the inside of a room. FIG. 2 is a vertical cross-sectional view of the fixture shown in FIG. 1 . FIG. 2 is a cross-sectional view of the fixture shown in FIG. 1 . 2A and 2B show a left vertical frame applied to the fixture shown in FIG. 1, where FIG. 2A is a cross-sectional view and FIG. 2B is an exploded cross-sectional view. 2A and 2B show a right vertical frame to be applied to the fixture shown in FIG. 1, where FIG. 2A is a cross-sectional view and FIG. 2B is an exploded cross-sectional view. 2A and 2B show an upper frame to be applied to the fitting shown in FIG. 1, where FIG. 2A is a vertical cross-sectional view and FIG. 2B is an exploded vertical cross-sectional view. 2A and 2B show a lower frame to be applied to the fitting shown in FIG. 1, where FIG. 2A is a vertical cross-sectional view and FIG. 2B is an exploded vertical cross-sectional view. FIG. 2 is a plan view of a lower frame applied to the fitting shown in FIG. 1 . FIG. 2 is a vertical cross-sectional view of the lower frame applied to the fitting shown in FIG. 1, cut at the joint position. FIG. 2 is a vertical cross-sectional view of the lower frame applied to the fixture shown in FIG. 1, cut at the position of the inner shoji screen.

Below, preferred embodiments of the fittings according to the present invention will be described in detail with reference to the accompanying drawings. Note that, for convenience, the terms "prospect direction" and "visibility direction" will sometimes be used below. The prospect direction is the direction along the depth of the fitting, as indicated by arrow A in the figure. A surface along the prospect direction will sometimes be referred to as a "visibility surface." The prospect direction is the direction perpendicular to the prospect direction for items that extend horizontally, such as sill frames. For items that extend vertically, such as vertical frames, the horizontal direction perpendicular to the prospect direction is called the "visibility direction." A surface along the prospect direction will sometimes be called a "visibility surface."

Figures 1 to 3 show a fitting that is an embodiment of the present invention. The fitting illustrated here is a so-called sliding window, comprising a frame 10, an outer shoji screen 20A arranged on the outside of the frame 10, and an inner shoji screen 20B arranged on the inside of the frame 10. The frame 10 is formed into a rectangular shape by assembling left and right vertical frames 11, 12, an upper frame 13, and a lower frame 14 all around. The outer shoji screen 20A is formed from a rectangular double-glazed glass 21A, and vertical frames 22A, upper frame 23A, lower frame 24A, and vertical frame 25A arranged around the four sides of the double-glazed glass 21A. Similarly, the inner shoji screen 20B is configured with a rectangular double-glazed glass 21B and vertical frames 22B, upper frames 23B, lower frames 24B, and vertical frames 25B arranged around the four sides of the double-glazed glass 21B. In this embodiment, the outer shoji screen 20A and the inner shoji screen 20B are arranged movably along the longitudinal direction of the upper frame 13 and lower frame 14 relative to the frame body 10, and when the outer shoji screen 20A is arranged on the left side of the frame body 10 and the inner shoji screen 20B is arranged on the right side when viewed from the inside of the room, the opening of the frame body 10 can be closed. When the opening of the frame body 10 is closed, the vertical frame located on the right side of the outer shoji screen 20A (hereinafter referred to as the joining frame 25A) and the vertical frame located on the left side of the inner shoji screen 20B (hereinafter referred to as the joining frame 25B) are joined together and arranged side by side in the forward direction when viewed from the inside of the room. The vertical frames 22A, 22B, upper frames 23A, 23B, lower frames 24A, 24B, and joining frames 25A, 25B that make up the shoji screens 20A, 20B are all extruded shapes molded from resin, and are configured to have a cross-sectional shape that is approximately uniform along their entire length. In this embodiment, the shoji screens 20A and 20B are constructed using vertical frames 22A and 22B, upper frames 23A and 23B, and lower frames 24A and 24B that have the same cross-sectional shape and the same color. The matching frames 25A and 25B have the same color as the vertical frame 22A but a different cross-sectional shape. In contrast, the vertical frames 11 and 12, upper frame 13, and lower frame 14 that make up the frame body 10 are composite frames made of metal extrusions formed from metal such as aluminum alloy, and resin extrusions formed from resin. The metal and resin extrusions are also constructed to have a substantially uniform cross-sectional shape along their entire length.

The following provides a detailed description of the vertical frames 11, 12, upper frame 13, and lower frame 14 that make up the frame stiles and frame body 10 of the shoji screens 20A and 20B, as well as an explanation of the features of the present invention. As mentioned above, the frames 22A, 22B, 23A, 23B, 24A, and 24B of the shoji screens 20A and 20B are identical, so only the vertical frame 22A of the outer shoji screen 20A will be described, and the other frames will be given the same reference numerals. The joining frames 25A and 25B are nearly identical, so only the joining frame 25A of the outer shoji screen 20A will be described, and the joining frame 25B of the inner shoji screen 20B will be given the same reference numerals. For convenience, the vertical frame located on the left when viewed from the inside of the room will be referred to as the left vertical frame 11, and the vertical frame located on the right will be referred to as the right vertical frame 12.

(Stile 22A)
As shown in Figure 3, the vertical stile 22A is integrally formed with a stile base 31, glass clamping pieces 32, inner rail guides 33, and outer rail guides 34. The stile base 31 is hollow and has a substantially rectangular cross section. A ledge 35 is provided on the inner peripheral edge of the stile base 31 facing the exterior side of the room, via a ledge mounting groove 31a. The ledge 35 clamps the double-glazed glass 21A between itself and the glass clamping pieces 32. The glass clamping pieces 32 protrude inward from the inner peripheral edge of the stile base 31 facing the interior side of the room. The inner rail guide 33 protrudes outward from the outer peripheral edge of the stile base 31 facing the interior side of the room, and the outer rail guide 34 protrudes outward from the outer peripheral edge of the stile base 31 facing the exterior side of the room. A gap is secured between the inner rail guide 33 and the outer rail guide 34, and a tensioning material 36 is provided at the opposing portions. The tensioning material 36 extends from the portions located on the outer periphery of the inner rail guide 33 and the outer rail guide 34 in directions approaching each other.

(Meeting frame 25A)
The joining frame 25A is formed by integrally molding a frame base 31 and a glass clamping piece 32. The frame base 31 is hollow and has a roughly rectangular cross section. A ledge 35 is provided on the inner periphery of the frame base 31, on the edge facing the outside of the room, via a ledge mounting groove 31a. The ledge 35 clamps the double-glazed glass 21A between itself and the glass clamping piece 32. The glass clamping piece 32 protrudes inward from the inner periphery of the frame base 31, on the edge facing the inside of the room.

(Left vertical frame 11)
As shown in Figures 3 and 4, the metal profile 40 of the left vertical frame 11 is integrally formed with a left frame base 41, a left inner end sight plate 42, a left fixed sight plate 43, and a left rail projection 44. The left frame base 41 is a flat plate extending along the projection direction. The left inner end sight plate 42 is a flat plate extending from the interior edge of the left frame base 41 toward the outer periphery. The left fixed sight plate 43 is a flat plate extending from the interior edge of the left frame base 41 toward the outer periphery. In the illustrated example, the left fixed sight plate 43 is located approximately one-third of the way from the interior edge of the left frame base 41. The left fixed sight plate 43 extends outward from the left frame base 41 by a greater distance than the left inner end sight plate 42. The left rail protrusion 44 is used to form the metal rail portion of the outer vertical rail 11A corresponding to the outer shoji screen 20A. It extends inward from the left frame base 41 and then extends inward toward the interior of the room. The extension length of the left rail protrusion 44 is set so that, when the outer shoji screen 20A is placed in the closed position relative to the frame body 10, it is positioned inward beyond the taut material 36 attached to the vertical stile 22A that forms the door edge. The left side fitting portion 44a is provided on the extending edge toward the interior of the room. The left side fitting portion 44a fits into the left side fitting portion 52a of the resin profile 50 (described later) to limit movement away from each other in the forward direction. In the illustrated example, the left-side fitting portion 44a of the left-rail protrusion 44 extends from the extending edge located on the interior side of the left-rail protrusion 44 toward the outer periphery, then bends toward the interior side, and then bends again toward the inner periphery. The position where the left-rail protrusion 44 is provided is approximately 1/4 of the way from the edge located on the exterior side of the left frame base 41.

The metal extrusion 40 of the left vertical frame 11 has multiple left vertical attachment claws 45 on the inner periphery of the left frame base 41. The left vertical attachment claws 45 are intended to maintain the resin extrusion 50 (described below) attached to the inner periphery of the left frame base 41. In the illustrated example, left vertical attachment claws 45 are provided on the interior-facing edge of the left frame base 41 and on the outer periphery of the left rail protrusion 44, as well as approximately midway between the interior-facing edge of the left frame base 41 and the left rail protrusion 44.

The resin profile 50 of the left vertical frame 11 comprises a left vertical resin molding 50A and an inner peripheral cover body 50B, which are molded separately from each other. The left vertical resin molding 50A and inner peripheral cover body 50B each have a length that spans the entire length of the portion of the left vertical frame 11 located between the upper frame 13 and the lower frame 14. Although not explicitly shown in the figure, the left vertical resin molding 50A and inner peripheral cover body 50B are configured to have the same hue as the vertical stile 22A of the outer shoji screen 20A. However, it is not necessarily required that the left vertical resin molding 50A and inner peripheral cover body 50B have the same hue as the vertical stile 22A of the outer shoji screen 20A.

The left vertical resin molded body 50A is formed by integrally molding a left cover base 51, a left rail cover portion 52, a left sight cover portion 53, and a left frame cover portion 54. The left cover base 51 is plate-shaped and covers the portion of the projected surface on the inner periphery of the metal extrusion 40 that is closer to the interior than the left rail protrusion 44. The middle portion of the left cover base 51 is provided with a pedestal portion 51a, a hollow portion 51b, and a hook portion 51c. The pedestal portion 51a protrudes toward the interior to form a space between it and the metal extrusion 40. The hollow portion 51b is cylindrical with a roughly square cross section and is located on the inner periphery of the pedestal portion 51a, with the sight surface facing the exterior positioned approximately in the middle of the left frame base 41. The hollow portion 51b has engaging protrusions 51d on the inner peripheral portions of the exterior-facing surface and the interior-facing surface. The hook portion 51c protrudes from the base portion 51a toward the exterior and then bends toward the interior, and is provided at a position corresponding to the left vertical mounting claw 45 provided in the middle of the left frame base 41. The left cover base 51 is detachably attached to the left frame base 41 by inserting its exterior edge between the left vertical mounting claw 45 provided on the left rail protrusion 44 and the left frame base 41, and inserting its interior edge between the interior-facing left vertical mounting claw 45 and the left frame base 41, and further engaging the hook portion 51c with the left vertical mounting claw 45 provided in the middle of the left frame base 41. The left-rail cover portion 52, which forms the resin rail portion of the outer vertical rail 11A corresponding to the outer shoji screen 20A, extends inward from the left cover base 51. A left-side fitting portion 52a is provided on the inner edge of the left-rail cover portion 52. The left-side fitting portion 52a extends from the extended edge of the left-rail cover portion 52 toward the outside of the room and then bends toward the outer edge. By fitting the left-side fitting portion 52a into the left-side fitting portion 44a of the left-rail protrusion 44, the left-rail cover portion 52 covers the visible surface of the left-rail protrusion 44 facing the room, while maintaining a space between the left-rail protrusion 44 and the left-side fitting portion 52a. The left-side fitting portion 53 extends inward from the interior edge of the left cover base 51. The left frame cover portion 54 extends from the inner peripheral edge of the left front cover portion 53 toward the interior side of the room.

The inner cover body 50B is formed by integrally molding the cover plate portion 55, outer clamping plate portion 56, and inner clamping plate portion 57. The cover plate portion 55 is a plate extending in the forward direction and is formed to a length corresponding to the dimension from the left sight cover portion 53 to the sight surface of the hollow portion 51b facing the outside of the room. The outer clamping plate portion 56 extends from the edge of the cover plate portion 55 located on the outside of the room toward the outer periphery. The inner clamping plate portion 57 clamps the hollow portion 51b between itself and the outer clamping plate portion 56 and extends from the cover plate portion 55 toward the outer periphery. The outer clamping plate 56 and the inner clamping plate 57 are provided with locking projections 56a, 57a on the opposing edges located on the outer periphery, and the inner clamping plate 57 is further provided with a contact piece 57b facing the outside of the room on the inner periphery side of the locking projection 57a. The inner peripheral cover body 50B is attached to the inner periphery of the hollow portion 51b by engaging the locking projection 56a of the outer clamping plate 56 and the locking projection 57a of the inner clamping plate 57 with the engaging projection 51d. When the outer edge of the outer clamping plate 56 is abutted against the base portion 51a and the abutment piece 57b of the inner clamping plate 57 is abutted against the inner surface of the hollow portion 51b, the inner surface of the cover plate 55 and the inner surface of the left frame cover 54 are positioned on approximately the same plane. In other words, in the left vertical frame 11 located on the door edge of the outer shoji screen 20A, the left frame cover 54 and the inner cover body 50B are arranged so that they are continuous with almost no steps.

(Right vertical frame 12)
As shown in Figures 3 and 5, the metal profile 60 of the right vertical frame 12 is integrally formed with a right frame base 61, a right inner end sight plate 62, a right fixed sight plate 63, a right rail projection 64, and a door stop plate 65. The right frame base 61 is a flat plate extending along the projection direction and is configured so that its dimensions along the projection direction are approximately the same as those of the left frame base 41. The right inner end sight plate 62 is a flat plate extending from the edge located on the interior side of the right frame base 61 toward the outer periphery. The right fixed sight plate 63 is a flat plate extending from the right frame base 61 toward the outer periphery and is located in a position that is approximately on the same plane as the left fixed sight plate 43. The right rail protrusion 64, which forms the metal rail portion of the inner vertical rail 12B corresponding to the inner shoji screen 20B, extends inward from the right frame base 61. A right-side fitting portion 64a is provided on the extending edge of the right rail protrusion 64 that extends toward the interior of the room. The right-side fitting portion 64a fits into the right-side fitting portion 72a of the resin profile 70 (described later) to limit movement in the projected direction away from each other. In the illustrated example, the right-side fitting portion 64a extends from the extending edge of the right rail protrusion 64 toward the interior of the room and then bends toward the interior. The right rail protrusion 64 is located at approximately the same position as the right fixed sight plate 63. The door stop plate 65 extends inward from the right frame base 61 and is located approximately in the middle of the right frame base 61.

The metal section 60 of the right vertical frame 12 has multiple right vertical attachment claws 66 on the inner periphery of the right frame base 61. The right vertical attachment claws 66 are used to maintain the resin section 70 (described below) attached to the inner periphery of the right frame base 61. In the illustrated example, right vertical attachment claws 66 are provided on the edge of the right frame base 61 located on the interior side and on the outer periphery of the right rail protrusion 64.

The resin profile 70 of the right vertical frame 12 extends the entire length of the portion of the right vertical frame 12 located between the upper frame 13 and lower frame 14, and is configured to have the same color as the vertical stile 22A of the outer shoji screen 20A. The resin profile 70 of the right vertical frame 12 is integrally formed with a right cover base 71, right rail cover portion 72, right sight cover portion 73, and right frame cover portion 74. The right cover base 71 is flat and covers the portion of the projected surface on the inner periphery of the metal profile 60 that is closer to the interior than the right rail protrusion 64. The right cover base 71 is detachably attached to the right frame base 61 by inserting its exterior edge between the right vertical attachment claw 66 on the right rail protrusion 64 and the right frame base 61, and its interior edge between the interior right vertical attachment claw 66 and the right frame base 61. The right rail cover 72 is used to form the resin rail portion of the inner vertical rail 12B corresponding to the inner shoji screen 20B, and extends from the right cover base 71 toward the inner periphery and then toward the exterior. A right side fitting portion 72a is provided on the inner periphery edge of the right rail cover 72. The right side fitting portion 72a is bent toward the outer periphery from the extending edge of the right rail cover 72. The right rail cover 72 covers the visible surface of the right rail protrusion 64 facing the interior of the room, with a space maintained between the right rail cover 72 and the right rail protrusion 64 by fitting the right side fitting portion 72a into the right side fitting portion 64a of the right rail protrusion 64. The right visible cover 73 extends inward from the interior edge of the right cover base 71. The right frame cover 74 extends inward from the interior edge of the right visible cover 73. However, the resin profile 70 of the right vertical frame 12 does not necessarily have to be the same color as the vertical stile 22A of the outer shoji screen 20A.

(Upper frame 13)
2 and 6, the metal profile 80 of the upper frame 13 is configured to include an inner upper metal molding 80A on the indoor side and an outer upper metal molding 80B on the outdoor side. These inner upper metal molding 80A and outer upper metal molding 80B are connected to each other by a bridge member 80C formed from a heat insulating material, and are thermally insulated without coming into contact with each other.

The inner upper metal molding 80A is formed by integrally molding an upper inner projection plate portion (second metal portion) 81, an upper inner sight plate portion (first metal portion) 82, and an upper inner pocket portion 83. The upper inner projection plate portion 81 is a plate extending along the projection direction. The upper inner sight plate portion 82 constitutes the metal rail portion of the inner upper horizontal rail 13B for guiding the inner shoji screen 20B, and has a metal rail base plate portion 82a extending from the outside edge of the upper inner projection plate portion 81 toward the inner periphery, and an inclined extension portion 82b, a sight extension portion 82c, a sight extension portion 82d, and a sight protrusion portion 82e provided on the inner periphery of the metal rail base plate portion 82a. The extension length of the metal rail base plate portion 82a is set so that when the inner shoji screen 20B is installed on the frame body 10, it is located further outward than the abutment position of the tension material 36 provided on the upper frame 23B. The inclined extension portion 82b is inclined so that it gradually faces outward toward the inner periphery. The visible extension portion 82c extends in the visible direction from the inner periphery edge of the inclined extension portion 82b toward the inner periphery. The visible extension portion 82d extends in the visible direction from the extending edge of the visible extension portion 82c toward the interior side of the room. The visible protrusion portion 82e extends in the visible direction toward the interior side of the room from the surface of the inclined extension portion 82b facing the interior of the room. The interior-facing edge of the projected extension 82d extends to a position that is an extension of the metal rail base plate 82a, while the interior-facing edge of the projected protrusion 82e extends to a position that protrudes slightly further into the room than the projected extension 82d. The projected extension 82c and the projected extension 82d are provided with abutment protrusions 82f. The abutment protrusions 82f are protruding portions provided on the exterior-facing surface of the projected extension 82c and the interior-facing surface of the projected extension 82d. The upper inner pocket 83 is a groove-shaped recess for accommodating the bridge material 80C, and is provided at the exterior-facing edge of the upper inner projected plate 81 so as to open to the outside.

This inner upper metal molding 80A has multiple engagement receiving portions 81a, 82g provided on the inner periphery of the upper inner projection plate portion 81. The engagement receiving portions 81a, 82g are intended to maintain the resin extrusion 90 (described below) attached to the inner periphery of the upper inner projection plate portion 81. In the illustrated example, engagement receiving portions 81a, 82g are provided on the edge portion located on the interior side of the upper inner projection plate portion 81 and on the outer periphery of the metal rail base plate portion 82a of the upper inner projection plate portion 82.

The outer upper metal molding 80B is formed by integrally molding an upper outer projection plate portion (fourth metal portion) 84, an upper outer sight plate portion (third metal portion) 85, an upper outer pocket portion 86, an upper fixed sight plate portion 87, and an upper outer cover plate portion 88. The upper outer projection plate portion 84 is a plate-shaped portion extending along the projection direction. The upper outer sight plate portion 85 constitutes the metal rail portion of the outer upper horizontal rail 13A for guiding the outer shoji screen 20A, and extends from the outside edge of the upper outer projection plate portion 84 toward the inner periphery and then toward the inside of the room. An upper fitting portion 85a is provided on the extending edge of the upper outer sight plate portion 85 that extends toward the inside of the room. The upper fitting portion 85a fits into the upper fitting portion 97a of the resin extrusion 90 (described later) to limit movement away from each other in the projection direction. In the illustrated example, the upper fitting portion 85a extends from the extended edge of the upper outer sight plate portion 85 toward the outer periphery, then bends toward the interior side of the room, and then bends toward the inner periphery. The upper outer pocket portion 86 is a groove-shaped recess for accommodating the bridge material 80C and is provided at the interior-facing edge of the upper outer sight plate portion 84 so as to open into the room. The upper fixing sight plate portion 87 is a flat plate extending from the upper outer pocket portion 86 toward the outer periphery. The upper outer cover plate portion 88 extends from the exterior-facing edge of the upper outer sight plate portion 84 toward the inner periphery.

This outer upper metal molding 80B has multiple upper engagement receiving portions 84a provided on the inner periphery of the upper outer projection plate portion 84, and multiple thick portions 84b provided between the upper engagement receiving portions 84a. The upper engagement receiving portions 84a are intended to maintain the resin extrusion 90 (described below) attached to the inner periphery of the upper outer projection plate portion 84. In the illustrated example, upper engagement receiving portions 84a are provided on the portion of the upper outer pocket portion 86 facing the exterior of the room, and on the projection surface of the upper outer projection plate portion 84 that is closer to the interior of the room than the upper outer sight plate portion 85. The thick portions 84b are formed by partially increasing the plate thickness of the upper outer projection plate portion 84, and are each provided along the length of the upper frame 13.

The resin profile 90 of the upper frame 13 is composed of an inner upper resin molding 90A on the indoor side and an outer upper resin molding 90B on the outdoor side. These inner upper resin molding 90A and outer upper resin molding 90B each have a length that spans the entire length of the portion of the upper frame 13 located between the left and right vertical frames 11, 12. Although not explicitly shown in the figure, the inner upper resin molding 90A and outer upper resin molding 90B are configured to have the same hue as the vertical frame 22A of the outer shoji screen 20A. However, the inner upper resin molding 90A and outer upper resin molding 90B do not necessarily have to have the same hue as the vertical frame 22A of the outer shoji screen 20A.

The inner upper resin molding 90A is formed by integrally molding an upper inner cover base (second cover portion) 91, an upper inner rail cover portion (first cover portion) 92, an upper sight cover portion (third cover portion) 93, an upper frame cover portion (fourth cover portion) 94, and an extension cover portion (ninth cover portion) 95. The upper inner cover base 91 is a flat plate that covers the upper inner projection plate portion 81 of the metal extrusion 80. This upper inner cover base 91 is removably attached to the inner upper metal molding 80A by inserting its exterior edge portion between the upper engagement receiving portion 84a on the metal rail base plate portion 82a and the upper inner projection plate portion 81, and inserting its interior edge portion between the interior upper engagement receiving portion 84a and the upper inner projection plate portion 81. The upper inner rail cover portion 92, together with the upper inner rail outer cover portion (seventh cover portion) 98, the upper inner rail inner periphery cover portion (eighth cover portion) 99, and the upper inner rail inner cover portion (first cover portion) 100 of the outer upper resin molded body 90B (described later), constitute the resin rail portion of the upper horizontal rail 13B corresponding to the inner shoji screen 20B, and extends inward from the upper inner cover base 91. The inner peripheral edge of the upper inner rail cover portion 92 is configured to be approximately flush with the metal rail base portion 82a of the upper inner sight plate portion 82 when the upper inner cover base 91 is abutted against the upper inner sight plate portion 81. The outer peripheral portion of the upper inner rail cover portion 92 is provided with an engagement protrusion 92a for engaging with the engagement receptacle 82g. The upper sight plate portion 93 extends inward from the interior-facing edge of the upper inner cover base 91. The outer periphery of the upper sight cover portion 93 is provided with an engagement protrusion 93a for engaging with the engagement receptacle 81a. The upper frame cover portion 94 extends from the inner periphery edge of the upper sight cover portion 93 toward the interior side of the room. The extension cover portion 95 extends inward from the outer periphery edge of the upper frame cover portion 94 on the extension of the upper sight cover portion 93. The extending edge of the extension cover portion 95 extends to a position more inward than the inner periphery edge of the upper inner rail cover portion 92.

The outer upper resin molded body 90B is formed by integrally molding an upper outer cover base (sixth cover portion) 96, an inner cover portion for the upper outer rail (fifth cover portion) 97, an outer cover portion for the upper inner rail 98, an inner peripheral cover portion for the upper inner rail 99, and an inner cover portion for the upper inner rail 100. The upper outer cover base 96 is a flat plate that covers the upper outer projection plate portion 84 of the metal profile 80. The inner cover portion 97 for the upper outer rail is used to form the resin rail portion of the upper horizontal rail 13A corresponding to the outer shoji screen 20A, and extends from the edge located on the outside of the upper outer cover base 96 toward the inner peripheral side. An upper fitting portion 97a is provided on the inner peripheral edge of the inner cover portion 97 for the upper outer rail. The upper fitting portion 97a extends from the extending edge of the upper outer rail inner cover portion 97 toward the outside of the room and then bends toward the outer periphery. By fitting the upper fitting portion 97a into the upper fitting portion 85a of the upper outer sight plate portion 85, the upper outer rail inner cover portion 97 covers the sight surface of the upper outer sight plate portion 85 facing the room, while maintaining a space between the upper outer sight plate portion 85 and the upper outer rail. The upper inner rail outer cover portion 98, the upper inner rail inner periphery cover portion 99, and the upper inner rail inner cover portion 100, together with the upper inner rail cover portion 92 of the inner upper resin molded body 90A, form the resin rail portion of the upper horizontal rail 13B corresponding to the inner shoji screen 20B. The upper inner rail outer cover portion 98 extends inward from the interior edge of the upper outer cover base 96, thereby covering the exterior-facing sight surfaces of the metal rail base plate portion 82a, the inclined extension portion 82b, and the sight extension portion 82c of the upper inner sight plate portion 82. The upper inner rail inner periphery cover portion 99 extends from the extending edge of the upper inner rail outer cover portion 98 into the room, thereby covering the inner periphery of the sight extension portion 82d. In other words, the upper inner rail inner periphery cover portion 99 constitutes the inner periphery of the upper horizontal rail 13B on the inner side of the resin extruded member 90. The upper inner rail inner cover portion 100 extends outward from the extending edge of the upper inner rail inner periphery cover portion 99, thereby covering the sight surface of the portion of the upper inner sight plate portion 82 located more inward than the metal rail base plate portion 82a. The extension length of the upper inner rail inner cover portion 100 is set so that when the inner screen 20B is installed on the frame body 10, the tension material 36 attached to the upper frame 23B will not abut against the upper inner rail cover portion 92 or the joint 101 with the upper inner rail cover portion 92. As is clear from the figure, the upper inner rail outer cover portion 98, the upper inner rail inner circumferential cover portion 99, and the upper inner rail inner cover portion 100 form a recess 102 opening to the outer periphery, which accommodates the inclined extension portion 82b, the sight extension portion 82c, the sight extension portion 82d, and the sight protrusion portion 82e of the upper inner sight plate portion 82. The upper inner rail inner cover portion 100 is provided with an intermediate engagement portion 100a. The intermediate engagement portion 100a engages with the outer peripheral portion of the projection 82e, thereby restricting the inward movement of the upper inner rail inner peripheral cover portion 99 relative to the upper inner sight plate portion 82.

This outer upper resin molding 90B has multiple engagement protrusions 96a and support protrusions 96b on the outer peripheral side of the upper outer cover base 96, and mounting protrusions 97b, 98a are provided on the upper outer rail inner cover portion 97 and the upper inner rail outer cover portion 98, respectively. The engagement protrusions 96a extend from the upper outer cover base 96 toward the outer peripheral side and have engagement claws 96c on their extending edges. The engagement claws 96c engage with the upper engagement receptacles 84a provided on the outer upper metal molding 80B, thereby maintaining the upper outer cover base 96 covering the inner peripheral surface of the upper outer projection plate portion 84 while maintaining a space between the upper outer cover base 96 and the upper outer projection plate portion 84. The support protrusions 96b extend from the upper outer cover base 96 toward the outer peripheral side between the engagement protrusions 96a. The support protrusion 96b is sized so that, when the engaging claw 96c of the engaging protrusion 96a engages with the upper engaging receptacle 84a, the extended edge is positioned close to the upper outer projection plate 84 between the thick portions 84b provided on the upper outer projection plate 84. The mounting protrusions 97b, 98a protrude in directions approaching each other from the outer peripheral sides of the upper outer rail inner cover portion 97 and the upper inner rail outer cover portion 98. These mounting protrusions 97b, 98a engage with the upper outer rail inner cover portion 97 and the upper inner rail outer cover portion 98 when the upper wind stopper 110A is attached, thereby preventing the upper wind stopper 110A from falling off. The upper windstop member 110A is molded from an elastic resin material and is placed on the inner peripheral surface of the upper frame 13 in the area corresponding to the joining frames 25A and 25B to restrict the flow of air between the interior and exterior of the room.

(Bottom frame 14)
2 and 7 to 10, the metal section 120 of the lower frame 14 is configured to include an inner lower metal molding 120A on the indoor side and an outer lower metal molding 120B on the outdoor side. These inner lower metal molding 120A and outer lower metal molding 120B are connected to each other by a bridge member 120C formed from a heat insulating material, and are thermally insulated from each other without coming into contact with each other.

The inner lower metal molding 120A is formed by integrally molding the lower inner projection panel portion 121, the lower inner sight panel portion 122, the lower inner pocket portion 123, the lower inner end sight panel portion 124, and the lower support panel portion 125. The lower inner projection panel portion 121 is a plate extending along the projection direction. The lower inner sight panel portion 122 constitutes the metal rail portion of the inner lower horizontal rail 14B for guiding the inner shoji screen 20B, and extends from the outside edge of the lower inner projection panel portion 121 toward the inner periphery and then toward the outside. The extending edge of the lower inner sight panel portion 122 that extends toward the inside of the room is provided with a door roller guide portion 122a and a lower fitting portion 122b. The roller guide portion 122a is a protruding portion that protrudes inward and guides the sliding of the inner shoji screen 20B via the roller 26B. The lower fitting portion 122b fits into the lower fitting portion 142a of the resin profile 140 (described later) to limit the movement of the two components in the projection direction. In the illustrated example, the lower fitting portion 122b extends from the interior edge of the lower inner sight panel portion 122 toward the outer periphery, then bends toward the interior, and then bends again toward the inner periphery. The lower inner pocket portion 123 is a groove-like recess for accommodating the bridge material 120C and is provided at the exterior edge of the lower inner sight panel portion 121 so as to open to the outside. The lower inner end sight panel portion 124 extends from the interior edge of the lower inner sight panel portion 121 along the projection direction. A lower fixing projection plate 126 is provided on the outer periphery of the lower inner end sight plate 124, sloping gradually outward toward the interior of the room. The lower support plate 125 extends outward from the middle of the lower inner pocket 123 and the lower inner end sight plate 124 in the lower inner sight plate 121. The lower inner end sight plate 124, lower fixing projection plate 126, and lower support plate 125 are configured so that their outer periphery edges are positioned on the same plane that is approximately horizontal along the projection direction.

This inner lower metal molding 120A has multiple lower engagement receptacles 121a provided on the inner periphery of the lower inner projection plate portion 121. The lower engagement receptacles 121a are intended to maintain the resin extrusion 140 (described below) attached to the inner periphery of the lower inner projection plate portion 121. In the illustrated example, lower engagement receptacles 121a are provided on the sighting surface facing the outside of the lower inner end sighting plate portion 124 and on the sighting surface of the lower inner projection plate portion 121 facing the lower fitting portion 122b.

The outer lower metal molding 120B is formed by integrally molding a lower outer projection panel portion 127, a lower outer sight panel portion 128, a lower outer pocket portion 129, and a lower outer cover panel portion 130. The lower outer projection panel portion 127 is a plate-shaped portion extending along the projection direction. In the illustrated outer lower metal molding 120B, a hollow portion 131 is formed in the outer peripheral portion of the lower outer projection panel portion 127. The lower outer sight panel portion 128 forms the metal rail portion of the outer lower horizontal rail 14A for guiding the outer shoji screen 20A, and extends from the outside edge of the lower outer projection panel portion 127 toward the inner peripheral side and then toward the inside of the room. A door roller guide portion 128a and a lower fitting portion 128b are provided on the extended edge of the lower outer sight panel portion 128 that extends toward the inside of the room. The roller guide portion 128a is a protruding portion that protrudes inward and guides the sliding of the outer sash 20A via the roller 26A. The lower fitting portion 128b fits into the lower fitting portion 146a of the resin profile 140 (described later) to limit the movement of the two components in the projection direction. In the illustrated example, the lower fitting portion 128b extends from the extended edge of the lower outer sight plate portion 128 toward the outer periphery, then bends toward the interior side of the room, and then bends toward the inner periphery. The inner edge of the lower outer sight plate portion 128 is configured to be approximately the same as the lower inner sight plate portion 122. The lower outer pocket portion 129 is a groove-shaped recess for accommodating the bridge material 120C and is provided at the interior edge of the lower outer sight plate portion 127 so as to open into the room. The lower outer cover plate portion 130 extends from the outdoor edge of the lower outer projection plate portion 127 toward the inner periphery.

This outer lower metal molding 120B has multiple lower engagement receptacles 127a provided on the inner periphery of the lower outer projection plate portion 127. The lower engagement receptacles 127a are intended to maintain the resin extrusion 140 (described below) attached to the inner periphery of the lower outer projection plate portion 127. In the illustrated example, lower engagement receptacles 127a are provided on the portion of the lower outer pocket portion 129 facing the outside of the room and on the projection surface of the lower outer projection plate portion 127 facing the lower fitting portion 128b.

As shown in Figures 8 and 9, a lower windstop member 110B is attached to the metal section 120 of the lower frame 14 described above, between the lower inner sight plate portion 122 of the inner lower metal molding 120A and the lower outer sight plate portion 128 of the outer lower metal molding 120B. The lower windstop member 110B is molded from an elastic resin material and is disposed on the inner peripheral surface of the lower frame 14 in the area corresponding to the joining frames 25A and 25B, thereby restricting the flow of air between the inside and outside of the room.

The resin profile 140 of the bottom frame 14 is composed of an inner lower resin molding 140A on the indoor side and an outer lower resin molding 140B on the outdoor side. Of these, the inner lower resin molding 140A is configured to have a length that spans the entire length of the portion of the bottom frame 14 located between the left and right vertical frames 11, 12. In contrast, the outer lower resin molding 140B is configured to have a length that spans the entire length of the portion of the bottom frame 14 located between the left vertical frame 11 and the lower windstop member 110B. Although not explicitly shown in the figure, the inner lower resin molding 140A and the outer lower resin molding 140B are configured to have the same hue as the vertical frame 22A of the outer screen 20A. However, the inner lower resin molding 140A and the outer lower resin molding 140B do not necessarily have to have the same hue as the vertical frame 22A of the outer screen 20A.

The inner lower resin molded body 140A is formed by integrally molding the lower inner cover base 141, lower inner rail cover portion 142, lower sight cover portion 143, and lower frame cover portion 144. The lower inner cover base 141 is a flat plate that covers the lower inner sight plate portion 121 of the metal profile 120. The lower inner rail cover portion 142 is used to form the resin rail portion of the lower horizontal rail 14B that corresponds to the inner shoji screen 20B, and extends from the lower inner cover base 141 toward the inner periphery. A lower fitting portion 142a is provided on the inner edge of the lower inner rail cover portion 142. The lower fitting portion 142a extends from the extending edge of the lower inner rail cover portion 142 toward the outside of the room and then bends toward the outer periphery. The lower inner rail cover 142 fits its lower fitting portion 142a into the lower fitting portion 122b of the lower inner sight plate 122, leaving a space between it and the lower inner sight plate 122, thereby covering the sight surface of the lower inner sight plate 122 facing the interior of the room. The lower sight cover 143 extends inward from the interior edge of the lower inner cover base 141, covering the exterior surface of the lower inner end sight plate 124. The lower frame cover 144 extends inward from the interior edge of the lower sight cover 143 toward the interior of the room.

This inner lower resin molding 140A has multiple engaging protrusions 141a provided on the portion that forms the outer periphery of the lower inner cover base 141. The engaging protrusions 141a extend from the lower inner cover base 141 toward the outer periphery, with engaging claws 141b provided on the extending edge. The engaging claws 141b engage with lower engaging receptacles 121a provided on the inner lower metal molding 120A, thereby maintaining the lower inner cover base 141 covering the inner periphery of the lower inner projection plate 121, while maintaining a space between the lower inner cover base 141 and the lower inner projection plate 121.

The outer lower resin molding 140B is formed by integrally molding the lower outer cover base 145 and the lower outer rail cover portion 146. The lower outer cover base 145 is a flat plate that covers the lower outer projection plate portion 127 and bridge material 120C of the metal profile 120. A small gap is maintained between the interior edge of the lower outer cover base 145 and the exterior facing surface of the lower inner projection plate portion 122. The lower outer rail cover portion 146 is used to form the resin rail portion of the lower horizontal rail 14A that corresponds to the outer shoji screen 20A, and extends inward from the exterior edge of the lower outer cover base 145. A lower fitting portion 146a is provided on the interior edge of the lower outer rail cover portion 146. The lower fitting portion 146a extends from the extended edge of the lower outer rail cover portion 146 toward the outside of the room and then bends toward the outer periphery. By fitting the lower fitting portion 146a into the lower fitting portion 128b of the lower outer sight plate portion 128, the lower outer rail cover portion 146 covers the sight surface of the lower outer sight plate portion 128 facing the room, while maintaining a space between it and the lower outer sight plate portion 128.

This outer lower resin molding 140B has multiple engaging protrusions 145a provided on the portion that forms the outer periphery of the lower outer cover base 145. The engaging protrusions 145a extend from the lower outer cover base 145 toward the outer periphery, with engaging claws 145b provided on the extending edge. The engaging claws 145b engage with lower engaging receptacles 127a provided on the outer lower metal molding 120B, thereby maintaining the lower outer cover base 145 covering the inner periphery of the lower outer projection plate 127, while maintaining a space between the lower outer cover base 145 and the lower outer projection plate 127.

In the metal section 120 of the lower frame 14, an outer lower metal cover body 150 having approximately the same cross-sectional shape as the outer lower resin molding 140B is disposed in the portion located between the lower windstop member 110B and the right vertical frame 12. That is, the outer lower metal cover body 150 is formed by integrally molding a lower outer cover base 151, a lower outer rail cover portion 152, a lower fitting portion 152a, and an engaging protrusion 151a. However, the lower outer cover base 151 of the outer lower metal cover body 150 is configured to be slightly shorter than the lower outer cover base 145 of the outer lower resin molding 140B.

In the fittings configured as described above, the upper frame 13 is constructed from metal extrusions 80 and resin extrusions 90, which provides thermal insulation and eliminates the risk of condensation and other problems. Furthermore, the resin extrusions 90 of the upper frame 13 include an outer upper resin molded body 90B integrally formed from the upper outer rail inner cover portion 97 to the upper inner rail inner cover portion 100, and an inner upper resin molded body 90A integrally formed from the upper inner rail cover portion 92 to the upper frame cover portion 94. In other words, the resin extrusions 90 are divided into an inner upper resin molded body 90A and an outer upper resin molded body 90B, eliminating the risk of cumbersome handling or assembly due to the large size of the resin extrusions 90. Furthermore, because the joint 101 of the resin profile 90 does not exist between the visible surface of the outer upper cross rail 13A facing the room and the visible surface of the inner upper cross rail 13B facing the outside, airtightness between the upper cross rail 13A and the upper windstop member 110A is ensured, and there is no concern that outside air or water from outside will enter the room through the joint 101 of the resin profile 90. Furthermore, because the joint 101 is located on the outer periphery of the contact position of the weatherstripping material 36, the shoji screens 20A, 20B will not slide when the weatherstripping material 36 is in contact with the joint 101, which is advantageous in terms of watertightness and airtightness.

As shown in Figure 2, the inner upper resin molding 90A of the separated resin extrusion 90 can be prevented from falling off by threading a screw S into the main body B via the upper inner cover base 91, and also by threading a screw into the upper inner projection plate 81 of the metal extrusion 80 via the upper inner cover base 91, although this is not shown in the figure. Furthermore, the screw S threaded into the upper inner cover base 91 is covered by the upper projection cover 93 and extension cover 95 located on the interior side, making it difficult to see, and therefore there is no risk of compromising the appearance quality.

On the other hand, because the outer upper resin molding 90B is positioned further outside the room than the upper fixing sight plate 87, it is difficult to thread a screw through the upper outer cover base 96. Furthermore, even if a screw were threaded into the upper outer cover base 96, it would be easily visible from inside the room, which would be undesirable in terms of appearance quality and could even lead to the intrusion of water from outside. However, with the above-described fixture, the upper outer rail inner cover 97 and the upper outer sight plate 85 are fitted together via the upper fittings 97a and 85a, and the intermediate engagement portion 100a of the upper inner rail inner cover 100 engages with the projecting protrusion 82e of the upper inner sight plate 82. Furthermore, the engagement claw 96c of the engagement protrusion 96a engages with the upper engagement receptacle 84a. Therefore, the outer upper resin molding 90B can be prevented from falling off the metal section 80 without threading the upper outer cover base 96, eliminating the risk of water from outside entering the room or impairing the appearance quality.

In addition, in the above-mentioned fitting, the resin extrusion 90 of the upper frame 13 is provided with an extension cover portion 95 that protrudes inward from the projected surface that is the inner periphery of the upper frame cover portion 94. Therefore, even if the shoji screens 20A, 20B tilt relative to the frame body 10 due to aging or construction errors, causing portions of the upper frames 23A, 23B to drop below the projected surface of the upper frame cover portion 94, this will be covered by the extension cover portion 95, allowing the appearance quality to be maintained for a long period of time. Furthermore, the extension cover portion 95 is configured to protrude below the joint 101 of the resin extrusion 90. Therefore, the joint 101 is difficult to see from the inside of the room, which also prevents the appearance quality from being compromised. The extension cover portion 95 only needs to protrude inward from the projected surface of the upper frame cover portion 94; it does not necessarily have to be located on the extension of the upper sight cover portion 93.

Furthermore, the above-mentioned fixtures use metal profiles 40, 60, 120 and resin profiles 50, 70, 140 for the left and right vertical frames 11, 12 and bottom frame 14, respectively, which provides advantages in terms of thermal insulation. Additionally, when viewed from inside the room, the metal profile 120 of the bottom frame 14, the metal profiles 40, 60 of the vertical frames 11, 12, and the metal profile 80 of the top frame 13 are all covered with resin profiles 140, 50, 70, 90, and these resin profiles 140, 50, 70, 90 are configured to have the same color as the frames 22A, 22B, 23A, 23B, 24A, 24B, 25A, 25B of the shoji screens 20A, 20B. This provides advantages in terms of appearance quality when viewed from inside the room.

While the above-described embodiment illustrates shoji screens 20A and 20B with resin-molded frames 22A, 22B, 23A, 23B, 24A, 24B, 25A, and 25B, this is not necessarily limited to this. For example, the exterior portion of the shoji screen may be molded from a metal such as an aluminum alloy, while the interior portion may have frames molded from resin. While the illustrated example illustrates a mohair-like sheath material 36, it is also possible to use a sheath material molded from an elastic material such as rubber, or to configure the sheath material with a soft fin-shaped material molded integrally with the frame. While the sheath material 36 of the inner shoji screen 20B is configured to abut both the upper inner rail outer cover portion 98 and the upper inner rail inner cover portion 100 against the inner upper cross rail 13B, it is also possible to provide the sheath material 36 on only one of them. Furthermore, while the metal section 80 of the upper frame 13 is shown as comprising an inner upper metal forming body 80A and an outer upper metal forming body 80B connected by a bridge member 80C, the metal section may also be integrally formed from metal.

In addition, in the above-described embodiment, the joint 101 of the plastic extrusion 90 is set in the first cover portion (upper inner rail cover portion 92, upper inner rail inner cover portion 100) that covers the interior-facing surface of the upper inner sight plate portion 82, which is the first metal portion. However, the present invention can achieve the same effect by dividing the plastic extrusion 90 so that the joint is located on the inner periphery of the inner upper cross rail 13B, that is, between the upper inner rail inner periphery cover portion 99 and the interior edge of the room. More specifically, the plastic extrusion 90 may be divided into indoor and outdoor portions so that the joint is located in the upper inner rail inner periphery cover portion 99, upper inner cover base 91, upper sight cover portion 93, or upper frame cover portion 94.

As described above, the building fixture of the present invention is a building fixture comprising a frame body made up of left and right vertical frames, an upper frame, and a lower frame assembled all around, and an inner shoji screen on the interior side and an outer shoji screen on the exterior side that are arranged on the frame body in a state where they slide in the extension direction of the upper frame, the upper frame comprising a metal profile formed from metal and a resin profile formed from resin, the upper frame is provided with an inner horizontal rail that guides the sliding of the inner shoji screen and an outer horizontal rail that guides the sliding of the outer shoji screen, the horizontal rails are configured with a metal rail portion provided on the metal profile and a resin rail portion provided on the resin profile, the resin profile of the upper frame is arranged to cover the metal profile between the visible surface of the outer horizontal rail facing the interior of the room and the interior side, and is divided into indoor and outdoor sections at a position between the inner periphery of the inner horizontal rail and the edge on the interior side of the room.
The present invention also provides the above-described fitting, wherein the metal extrusion of the upper frame has a first metal portion constituting the metal rail portion of the inner horizontal rail, a second metal portion extending from a portion located on the outer periphery of the first metal portion toward the inside of the room, a third metal portion constituting the metal rail portion of the outer horizontal rail, and a fourth metal portion extending from a portion located on the outer periphery of the third metal portion toward the inside of the room and connected to a portion on the outer periphery of the first metal portion, and the resin extrusion of the upper frame has a first cover portion constituting the resin rail portion of the inner horizontal rail by covering the visible surface facing the room of the first metal portion, a second cover portion extending from a portion located on the outer periphery of the first cover portion toward the inside of the room and covering the second metal portion, a third cover portion extending from an edge located on the inside of the room of the second cover portion toward the inner periphery, a fourth cover portion extending from the extended edge of the third cover portion toward the inside of the room, and a front The resin rail portion of the inner lateral rail is formed by a fifth cover portion covering the visible surface of the third metal portion facing the interior of the vehicle, a sixth cover portion extending from the outer periphery of the fifth cover portion toward the interior side of the vehicle to cover the fourth metal portion, a seventh cover portion extending inward from the extending edge of the sixth cover portion to cover the visible surface of the first metal portion facing the exterior of the vehicle, and an eighth cover portion extending from the inner periphery of the seventh cover portion toward the interior side of the vehicle to cover the inner periphery of the first metal portion and to be connected to the inner periphery of the first cover portion to form the resin rail portion of the inner lateral rail, and is characterized in that the resin rail portion of the inner lateral rail is divided into an indoor portion and an outdoor portion between the eighth cover portion and the second cover portion, and at least the portion from the divided position to the fifth cover portion is molded as a single unit.
According to these inventions, since the plastic extrusions are divided into indoor and outdoor sections, there is no risk of the components becoming larger and the handling or assembly work becoming complicated. Moreover, since there are no joints in the plastic extrusions between the outer cross rail and the facing surface of the inner cross rail that faces the outside, there is no risk of outside air or water from outside entering the inside of the room through the joints in the plastic extrusions.

The present invention is also characterized in that, in the above-mentioned building fixture, a ninth cover portion is provided on the resin profile of the upper frame so as to protrude toward the inner periphery from the projected surface that is the inner periphery of the fourth cover portion.
According to this invention, since the ninth cover part protrudes from the projected surface on the inner periphery of the fourth cover part, even if the shoji screen tilts relative to the frame due to aging or the like and a part of the upper end of the shoji screen falls below the projected surface of the fourth cover part, this will be covered by the ninth cover part. Note that the ninth cover part only needs to protrude from the projected surface of the fourth cover part, and does not necessarily have to be provided on the extension of the third cover part.

The present invention is also characterized in that, in the above-mentioned building fixture, the resin profile of the upper frame is divided at the middle part of the first cover part, and the ninth cover part protrudes to a position that is more inward than the divided position.
According to this invention, since the ninth cover portion protrudes to a position that is more inward than the dividing position of the plastic profile, the joint of the plastic profile that appears in the first cover portion is difficult to see from the inside of the room, and there is no risk of compromising the appearance quality.

Furthermore, the present invention is characterized in that, in the above-mentioned fittings, a tight material is provided on the inner shoji screen so as to abut against the surface of the first cover part facing the room, and the first cover part is divided at a portion that is on the outer periphery side of the abutment position of the tight material.
According to this invention, the sealant does not come into contact with the joint between the metal rail portion and the resin rail portion, and there is no concern that the watertightness and airtightness will be impaired.

Furthermore, the present invention is characterized in that in the above-mentioned fittings, the inner shoji screen is provided with a tight material so as to abut against the seventh cover portion.
According to this invention, the sealant does not come into contact with the joint between the metal rail portion and the resin rail portion, and there is no concern that the watertightness and airtightness will be impaired.

10 Frame body, 11 Left vertical frame, 12 Right vertical frame, 13 Upper frame, 13A Upper horizontal rail, 13B Upper horizontal rail, 14 Lower frame, 20A Outer shoji screen, 20B Inner shoji screen, 36 Tight material, 80 Metal profile, 81 Upper inner visibility board portion, 82 Upper inner sight board portion, 84 Upper outer visibility board portion, 85 Upper outer sight board portion, 90 Resin profile, 90A Inner upper resin molded body, 90B Outer upper resin molded body, 91 Upper inner cover base, 92 Upper inner rail cover portion, 92a Engagement protrusion, 93 Upper sight cover portion, 94 Upper frame cover portion, 95 Extension cover portion, 96 Upper outer cover base, 97 Upper outer rail inner cover portion, 98 Upper inner rail outer cover portion, 99 Inner cover for upper inner rail, 100 Inner cover for upper inner rail, 101 Joint

Claims (6)

A fitting comprising a frame body formed by assembling left and right vertical frames, an upper frame, and a lower frame around four sides, and an inner shoji screen on the indoor side and an outer shoji screen on the outdoor side arranged on the frame body in a state of sliding in the extension direction of the upper frame,
The upper frame includes a metal extrusion formed from metal and a resin extrusion formed from resin,
The upper frame is provided with an inner horizontal rail that guides the sliding of the inner shoji screen and an outer horizontal rail that guides the sliding of the outer shoji screen, and the horizontal rail is configured to include a metal rail portion provided on the metal profile and a resin rail portion provided on the resin profile,
The upper frame resin profile is arranged to cover the metal profile from the visible surface of the outer horizontal rail facing the interior of the room to the interior side, and is divided into indoor and outdoor sections at a position from the inner periphery of the inner horizontal rail to the edge on the interior side. The metal profile of the upper frame is
a first metal portion constituting the metal rail portion of the inner lateral rail;
a second metal portion extending from a portion located on the outer periphery of the first metal portion toward the indoor side;
a third metal portion constituting the metal rail portion of the outer horizontal rail;
a fourth metal portion extending from a portion located on the outer periphery of the third metal portion toward the indoor side and connected to a portion located on the outer periphery of the first metal portion,
The upper frame resin profile is
a first cover portion that covers a visible surface of the first metal portion facing the interior of the vehicle, thereby constituting the resin rail portion of the inner horizontal rail;
a second cover portion that extends from a portion located on the outer periphery of the first cover portion toward the interior side of the vehicle to cover the second metal portion;
a third cover portion extending from an edge portion located on the indoor side of the second cover portion toward an inner circumferential side;
a fourth cover portion extending from an extending edge portion of the third cover portion toward the indoor side;
a fifth cover portion that covers a visible surface of the third metal portion facing the interior of the vehicle, thereby constituting the resin rail portion of the outer horizontal rail;
a sixth cover portion that extends from a portion located on the outer periphery of the fifth cover portion toward the indoor side to cover the fourth metal portion;
a seventh cover portion extending inward from the extending edge portion of the sixth cover portion to cover a visible surface of the first metal portion facing the outside of the chamber, thereby constituting the resin rail portion of the inner lateral rail;
and an eighth cover portion that extends from the edge located on the inner periphery of the seventh cover portion toward the inside of the room, covering the surface that becomes the inner periphery of the first metal portion, and is connected to the part that becomes the inner periphery of the first cover portion, thereby forming the resin rail portion of the inner side horizontal rail, and is divided into indoor and outdoor portions between the eighth cover portion and the second cover portion, and at least the section from the divided position to the fifth cover portion is molded as a single unit. The fitting described in claim 2, characterized in that the upper frame resin extrusion has a ninth cover portion that protrudes inward from the projected surface that will be the inner periphery of the fourth cover portion. The resin extrusion of the upper frame is divided at a middle portion of the first cover portion,
The fixture according to claim 3, characterized in that the ninth cover portion protrudes to a position that is more inward than the divided position. The inner shoji screen is provided with a tension material so as to abut against the surface of the first cover portion facing the room,
The fixture according to claim 4, characterized in that the first cover portion is divided at a portion that is on the outer periphery of the contact position of the tension material. The fitting described in claim 2 or claim 5, characterized in that the inner shoji screen is provided with a tension material that abuts against the seventh cover portion.