JP2896986B2 - Window sash retainer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stay device for a window shoji used for a sliding window which rotates while moving up and down.

[0002]

2. Description of the Related Art Conventionally, in a sliding window in which a window shoji is rotated about a horizontal axis while moving up and down, a hinge arm fixed to upper ends of both side surfaces of the window shoji is used as a holding device for the window shoji. The extension portion is pivotally connected to a vertically movable drive rod at a first lateral axis, and one end of a support arm is pivotally attached to a fixing portion of a hinge arm at a second lateral axis. It is known that the end is pivotally mounted on a mounting seat fixed to a vertical frame of a window with a third pivot. It is also known that the staying device further incorporates a means for drawing the window sash to the window frame side for airtightness of the window sash.

[0003] In order to facilitate the operation of pulling and releasing the above-mentioned pulling means and the operation of opening and closing the window shoji, the pulling operation of the pulling means is delayed to the closing operation of the window shoji. There is also known an apparatus in which the opening operation of the window sash is delayed in the pulling release operation, and the time differential means is incorporated in the waiting device.

[0004] As an example of the above-mentioned time differential means, a hinge arm is used.
Provided at the pivot point between the system and the drive rod (actually open flat 2-346)
No. 91) and those provided at a pivot point between a supporting arm and a driving rod (Japanese Utility Model Laid-Open No. 1-64585) are known.

[0005]

In each of the above-mentioned differential means, since the pivot shaft is fitted in a bearing hole for directly providing a differential, it is difficult for the window shoji to be opened and closed smoothly and smoothly.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a staying device for a window sliding door in which a window sliding door can be opened and closed lightly and smoothly in a sliding window incorporating a time differential means.

[0007]

According to the present invention, in order to achieve the above object, a hinge arm fixed to a window shoji is pivotally attached to a movable mounting seat with a first pivot, and the movable mounting seat is connected to a driving rod. They are connected via connection means having a differential function.

[0008]

FIG. 1 shows two upper and lower window shojis (1) and (2).
Is attached to the right vertical frame (viewed from the inside) (4) of the window frame (3) on the right side (viewed from the inside), and the window shoji (1) and (2) are the window shoji. The backup device is completely closed in the state shown by the solid line and fully open in the state shown by the phantom line.

A pair of vertical drive rods (5) for opening and closing the window shojis (1) and (2) are vertically movably assembled to a pair of vertical frames (4) opposed to the window, and a worm gear mechanism. It is moved up and down by the crank handle (7) via (6).

The upper window shoji (1) has hinge arms (8) fixed to the upper ends on both sides thereof at fixing portions (9) (FIG. 2), and upwards from the fixing portions (9). Extension (1
0) (FIG. 2) is pivotally mounted on the movable mounting seat (12) with a first lateral pivot (11). The movable mounting seat (12) is connected to the upper end of the driving rod (5) by a connecting means having a time differential function.

The support arm (13) has a hinge arm at one end.
A second horizontal pivot (14) is attached to the fixing portion (9) of the arm (8), and the other end is pivotally attached to the fixed mounting seat (15) with a third horizontal pivot (16). . The fixed mounting seat (15) is fixed to the vertical frame (4) of the window at a position below the hinge arm (8).

When the drive rod (5) is at the highest position (FIGS. 1 and 2), the window shoji (1) is completely closed. When the drive rod (5) is lowered from the highest position, the window shoji (1) is opened (clockwise) about the first pivot (11) by the hinge arm (8) and the support arm (13). Descend while rotating. When the window sash (1) reaches a predetermined maximum opening angle, a stopper (17) integral with the hinge arm (8) abuts against the support arm (13), and the window sash (1) is moved to that angle. (Fig. 5). When the drive rod (5) rises in reverse from the lowered position, the window shoji (1) moves in the closing direction (counterclockwise) around the first pivot (11) via the hinge arm (8) and the support arm (13). ) And return to the closed position (FIGS. 1 and 2).

As shown in FIGS. 2, 8 and 13, the connecting means is formed directly or indirectly on the first pivot (11) of the hinge arm (8) and the driving rod (5). A vertically elongated guide hole (18) which is slidably fitted to the first pivot (11) and guides the first pivot (11) in the vertical direction, and directly or indirectly to the drive rod (5). The provided stopper (19) and the movable mounting seat (1
The movable mounting seat (12) is moved up and down integrally with the driving rod (5) by engaging with the stopper (19) provided in 2) and the movable mounting seat (12) is moved to the stopper (19). And a stopper (20) which is held at the engagement position with the stopper. With this connecting means, the movable mounting seat (12) is delayed with respect to the driving rod (5) when the driving rod is lowered from the highest position, and the movable mounting seat (12) is also moved backward with respect to the driving rod (5). It stops just before reaching the ascending position, and only the driving rod (5) continues to ascend.

The upper window shoji (1) is provided with a pulling means at a lower portion thereof. With this means, the window shoji (1) is drawn toward the interior of the room with respect to the window frame, and the window shoji (1) and the window are moved. The gap between the frame (3) and the lower window shoji (2) is made airtight with an airtight material.

The pulling means for the upper window shoji (1) has a hook-shaped pulling member (22) fixed to the drive rod (5), and a receiving member (23) which meshes with the pulling member. It is fixed to the lower part of the vertical frame (4) (1) of FIG. 1 (FIG. 11) (FIG. 2). The pulling member (22) engages with the receiving member (23) as the drive rod (5) rises (FIG. 2), and comes off the receiving member (23) as the drive rod (5) descends (FIG. 3).

When the window sash (1) is completely closed (FIG. 2), the drive rod (5) assumes its highest position, and the pivot (11) of the movable mounting seat (12) is driven by the drive rod (5). 5) Guide hole
(18), and is supported by this lower end, and the stopper (19) of the drive rod (5) is
0) (FIG. 2). The movable mounting seat (12) is also provided with a hinge arm (8), and a butt portion (2) of the hinge arm.
6) against the spring (25) through the butting portion (27) of the movable mounting seat against the pivot (11) in a counterclockwise direction around the pivot (11). It is held in the connected position (FIG. 2). At this time, the pulling member (22) is
In engagement with 3), the lower part of the window shoji (1) is drawn (Fig. 2).

When the drive rod (5) is lowered from its highest position (FIG. 2), the guide hole (18) is moved to the hinge arm (8).
Slide down along the pivot (11) of the
(19) also moves downward (FIG. 3). Meanwhile pulling member (22)
Is disengaged from the receiving member (23), and the drawing to the window shoji (1) is released (FIG. 3).

Even if the stopper (19) reaches the position of the stopper receiver (20) of the movable mounting seat (12) (FIG. 3), the movable mounting seat (1
2), the butting portion (27) engages with the butting portion (26) of the hinge arm (8) and is held at the non-connection position (FIG. 3).

When the drive rod (5) is further lowered from the state shown in FIG. 3, the movable mounting seat (12) is integrated with the drive rod (5) while the upper end of the guide hole (18) pushes down the pivot (11). To lower. As a result, the hinge arm (8) rotates counterclockwise around the pivot (16) via the support arm (13) while rotating in the opening direction (clockwise) around the pivot (11). , And open in a sliding window type (Fig. 5). At this time, the butting portion (26) of the hinge arm (8) rotates clockwise around the pivot (11), so that the movable mounting seat (12) has its butting portion.
(27) follows the butting portion (26), and the pivot (1)
Rotating clockwise with the force of the spring (25) about 1) as the center of rotation, the stopper receiver (20) engages with the stopper (19) (FIG. 4). As a result, the movable mounting seat (12) is integrally connected to the drive rod (5) in the vertical direction. In this connection state, the window shoji (1) is in a slightly opened state.

When the drive rod (5) is further lowered from the state shown in FIG. 4, the hinge arm (8) rotates clockwise around the pivot (11) while the upper end of the guide hole (18) pushes down the pivot (11). Rotate in the direction (opening direction). This hinge arm (8)
Is further rotated clockwise about the pivot 14 while rotating the support arm 13 counterclockwise about the pivot 16 to be completely opened (FIG. 5). At this time, the stopper (17) of the hinge arm (8) engages with the support arm (13),
The hinge arm prevents further opening. The butting portion (26) of the hinge arm (8) is separated from the butting portion (27) of the movable mounting seat (12), but the movable mounting seat (12) has its stopper receiver (20) and driving rod ( By the engagement with the stopper (19) of 5), it is held at a predetermined standby position (FIG. 5).

In the fully opened state of the window shoji (1) shown in FIG. 5, when the drive rod (5) is raised, its stopper (19) is raised.
Pushes up the stopper receiver (20) to raise the movable mounting seat (12) integrally with the driving rod (5). Accordingly, the hinge arm (8) rotates clockwise about the pivot (16) via the support arm (13) while being rotated counterclockwise (closed) about the pivot (11), and the window is opened. Close the shoji (1). When the hinge arm (8) is closed to the state shown in FIG. 4 (the window shoji 1 is almost closed), the butt portion (2) of the hinge arm (8) is closed.
6) reaches the position where it comes into contact with the butted portion (27) of the movable mounting seat (12), but the engagement between the stopper receiver (20) and the stopper (19) is maintained.

When the drive rod (5) is further pushed up from the state shown in FIG. 4 to the state shown in FIG. 3, the hinge arm (8) is pivoted to the pivot (1).
1) Rotate counterclockwise around the butted part (26)
Pushes the butting portion (27) of the movable mounting seat (12) to rotate the movable mounting seat (12) counterclockwise around the pivot (11). As a result, the stopper receiver (20) is disengaged from the stopper (19), and the integral connection between the movable mounting seat (12) and the driving rod (5) is released (FIG. 3). In this state, the window shoji (1) is completely closed, but the pulling member (22) is not yet engaged with the receiving member (23).

When the drive rod (5) is further raised from the state shown in FIG. 3, the guide hole (18) slides with respect to the pivot (11),
The movable mounting seat (12) is stationary. As a result, the pulling member (22) engages with the receiving member (23), and draws the lower portion of the window shoji (1) toward the window frame (3) (FIG. 2), thereby making the airtight piece airtight.

If the guide hole (18) of the drive rod (5) is formed so as to be inclined vertically and outwardly (leftward) of the window as going upward (FIG. 13), the guide hole is formed. (18) When the drive rod (5) is lifted, the pivot (11) is moved to the indoor side of the window (right side).
Attraction. As a result, the upper part of the window shoji (1) is also drawn (FIG. 2). Therefore, the upper and lower sides of the window sash (1) are simultaneously drawn, and the upper and lower sides and both sides of the window sash are airtight as a whole.

The spring (25) is a tension coil spring, one end of which is hung on a spring receiver (28) of a hinge arm (8),
The other end is hung on a spring receiver (29) of the movable mounting seat (12). The movable mounting seat (12) is urged by the spring (25) to always rotate clockwise about the pivot (11). Therefore, the stopper receiver (20) is
The position relatively reaches the position of 9), and the butting portion (26) of the hinge arm (8) and the butting portion (27) of the movable mounting seat (12).
Is released, the stopper receiver (20) and the stopper (19) automatically engage with each other.

The drive rod (5) also has another pulling part (30) (FIG. 13) provided directly or indirectly on the driving rod (5), which pulls the hinge arm (8). Department (2
The hinge arm (8) engages with the back surface of (6) and is drawn so as to rotate counterclockwise (close direction) around the pivot (11) (FIG. 2). When the drive rod (5) is in the lowered position (FIG. 3), the engagement between the pulling part (30) and the butting part (26) is released, and the drive rod (5) is raised. And the hinge arm (8) is drawn. By this pulling, the lower end (free end) of the window shoji (1) is moved to the pivot (1).
It is drawn in the closing direction (counterclockwise) about 1) as a rotation center, and the engagement between the drawing member (22) and the receiving member (23) is smoothed.

The guide hole (18) may be formed directly in the drive rod (5). However, the guide hole (18) is formed in a belt-shaped member (33) (FIG. 13) separate from the drive rod, and this member ( 33) may be fixed to the drive rod (5) with screws (34) (FIGS. 4, 8, and 13). This facilitates the machining of the guide hole (18) and facilitates the assembly of the pivot (11), the guide hole (18), the hinge arm (8) and the movable mounting seat (12). It becomes easy to incorporate the device in the gap between the window shoji (1) and the vertical frame (4) (FIG. 8). The stopper (19) and the pulling portion (30) are also formed directly on the member (33) and indirectly provided on the drive rod (5) (FIG. 13). This makes it easy to process the stopper (19) and the pulling portion (30). The stopper (19) has a guide hole (37) (FIG. 13) open at one end, into which the lower part of the movable mounting seat (12) is inserted (FIG. 8). (12) prevents rattling of the member (33) and smoothens the rotation of the movable mounting seat (12) about the pivot (11).

The drive rod (5) is provided on the guide wall (35) of the vertical frame (4).
(FIGS. 10 and 11) may be incorporated so as to slide directly, but a sliding member (36) (FIG. 13) formed of a self-lubricating synthetic resin material is screwed together with the member (33) into a screw (FIG. 10). When the drive rod (5) is fixedly attached by 34) (FIGS. 2 and 8) and the sliding member (33) is fitted to the guide wall (35) of the vertical frame (4) (FIG. 10), the drive rod (5) is The vertical movement of (5) is made smoother and smoother, and no unpleasant friction noise between metals is generated.

The staying device for the lower sash (2) is the same as that for the upper sash (1) except for the pulling means. The same reference numerals are given to the members, and the description of the configuration and operation is replaced.

The pulling means for the lower sash (2) has a pulling member (38) (FIG. 6) provided on a transmission means located between the crank handle (7) and the driving rod (5). A receiving member (39) (FIG. 6) that engages with the pulling member (38) is fixed to the lower part of the vertical frame (54) (FIG. 12) of the window shoji (2).
The pulling member (38) pivots around the shaft (51) to move the receiving member.
(39) (FIG. 6), and comes off the receiving member (39) (FIG. 7).

The transmission means between the crank handle (7) and the drive rod (5) is constructed as follows, mainly as shown in FIG. The handle (7) is rotatably mounted on a case (40) fixed to the vertical frame (4) of the window. The handle (7) is composed of a worm (not shown) provided so as to rotate integrally with the shaft (41) and a worm gear (42) meshing with the worm. Gear mechanism (6). The worm gear mechanism (6) is incorporated in the case (40),
Gear (42) can rotate in both directions about the axis (43). The operating arm (44) rotates integrally with the worm gear (42) about a common shaft (43). 1st transmission rod (45)
One end is pivotally connected to the tip of the operation arm (44) by a pin (46), and the other end is pivotally connected to the middle of the second transmission rod (47) by a pin (48). One end of the second transmission rod (47) has a drive rod (5).
A pin (49) is pivotally attached to the lower end of the upper arm (commonly used for upper and lower sashes), and the other end is pivotally attached to one end of a crank arm (50) by a pin (38). The other end of the crank arm (50) is coupled to the rotary transmission shaft (51) so as to rotate integrally therewith. The transmission shaft (51) penetrates the lower frame (52) of the window, and both ends thereof are supported by bearing seats (53) (FIG. 12). When the crank handle (7) is rotated in either direction, the drive rod (5) moves up and down via these transmission means.

The means for pulling the lower sash (2) is
(38) also serves as a pulling member outside the pivot means, and a receiving member (39) engaged with the pin (38) is fixed to the lower part of the vertical frame (4) of the window shoji (2) ( (Figure 12). Receiving member (39)
Is almost the same as the receiving member (23) for the upper sash (1).

When the window shoji (2) is closed,
The pin (38) engages with the receiving member (39) to draw the lower part of the shoji (2) and press the lower part of the shoji (2) against the airtight piece to make it airtight (FIG. 6). In this state, Shoji (2)
Before opening, the upper sash (1) having a differential function between the movable mounting seat (12) and the driving rod (5) is provided.
Pulling member for upper shoji (1) using the same connecting means as
As in (22), only the pin (38) comes off the receiving member (39). Thereafter, the shoji (2) is opened by operating the handle (7) (FIG. 7). When the sliding door (2) is closed by operating the handle from this open state, the sliding door (2) is completely closed, and the pin (38) engages with the receiving member (39) by the differential function of the connecting means. Then, it is drawn to the state shown in FIG. 6 to be airtight (FIG. 6).

On the opposite side of the shoji (1) and (2),
Drive rod (5), hinge arm (8), movable mounting seat (12),
Support arm (13), fixed mounting seat (15), pulling means, spring (2
5), components corresponding to the transmission rod (47), the crank arm (50) and the like are provided, and these operate simultaneously via the transmission shaft (51).

As an example of the airtight means, in FIG.
The airtight piece (55) contacts the indoor side surface (56) of the upper part of the upper shoji (1), the airtight piece (57) contacts the upper surface (58) of the shoji (1),
The airtight piece (59) (Fig. 6) is the upper flange of the lower shoji (2).
(60) (FIG. 6). In FIG. 7, the airtight piece (61)
Contacts the indoor side surface (62) of the lower part of the lower sash (2).
In FIGS. 10 and 11, the airtight piece (63) contacts the flanges (64) on both sides of the upper shoji (1), and the airtight piece (65) of the vertical frame (4) on both sides of the upper shoji (1). Contact the indoor side (66).

A pulling member (22) and a receiving member (23) as pulling means for the upper shoji (1) and a pin (38) of a pulling member as a pulling means for the lower shoji (2) and receiving. Members (39)
Have a lock function and can be used as lock means. The pin (38) is a receiving member (39)
Ring (67) (Fig. 7) to facilitate engagement and disengagement
Are fitted.

[0037]

According to the present invention, as described above, the vertical frame (4) of the window is provided.
The built-in vertically long drive rod that moves up and down along its longitudinal direction (5), a movable mounting seat mounted in consolidated unit to the drive rod (12), secured to the upper end of the stile of the window sash Hinged arm (8) whose upper extension (10) is pivotally connected to the movable mounting seat (12) by a first lateral axis (11), and a vertical frame (4) of the window. A fixed mounting seat (15) fixed at a position below the hinge arm (8), one end pivotally connected to the hinge arm (8) by a second horizontal pivot (14), and the fixed mounting seat (15); A) a support arm (13) having the other end pivotally mounted on a third transverse axis (16).
And means for operating the drive rod (5) to draw the window sash, and a crank handle (7) for vertically moving the drive rod (5), wherein the window sash is moved in accordance with the vertical movement of the drive rod (5). The window shoji is opened and closed about the first pivot (11) of the window shoji while being moved up and down, and the connecting means is directly or directly connected to the first pivot (11) of the hinge arm (8) and the driving rod (5). Indirectly provided first pivot (11)
A vertically elongated guide hole (18) which is slidably fitted to the first pivot (11) to guide the first pivot (11) in the vertical direction, and a stopper (directly or indirectly provided in the drive rod (5)). 1
9) and the movable mounting seat (1) provided on the movable mounting seat (12) and engaged with the stopper (19).
2) a driving rod (5) and the movable mounting seat causes integrally move up and down (12) consists of a receiving stopper for holding the engagement position between the stopper (19) (20), in this connection means, the window Movable mounting seat for opening the shoji from the closed position (12)
Is delayed with respect to the start of descent of the driving rod (5),
The pulling of the window shoji by the pulling means is released before the window shoji is opened, and the raising of the movable mounting seat (12) when closing the window shoji is stopped at the window shoji closed position. Ascending continues, the pulling of the pulling means is operated after the window shoji is closed, and a spring (25) is provided between the movable mounting seat (12) and the hinge arm (8). At 25), the stopper receiver (20) is urged to always swing in the direction of engagement with the stopper (19), and the movable mounting seat (1) is urged.
2) is also configured to only stop over receive a hinge arm (8) swings to the closed position direction against the aforementioned spring (25) (20) is swung in a direction out of the stopper (19) As a result, the opening and closing of the window shoji can be performed lightly, smoothly and reliably, and the stopper receiver (20) on the movable mounting seat (12) side and the stopper (1) on the drive rod (5) side can be opened.
Relative engagement and disengagement with 9) are automatically performed, which is convenient, and its structure and manufacture are simple and easy. According to the present invention, as described above, the first pivot (11) of the hinge arm (8) is provided with the guide hole (18) on the drive rod side when the drive rod (5) is raised to close the window shoji. When the drive rod (5) is pushed down at the lower end of the drive rod and lowered to open the window shoji, the drive rod (5) is pushed down at the upper end of the guide hole (18) on the drive rod side. Can be opened and closed more smoothly and reliably. According to the present invention, as described above, the window shoji drawing means is provided at a lower position of the window shoji and pulls the lower position toward the window frame side, and
The guide hole (18) for the pivot (11) is formed obliquely so as to draw the upper part of the window shoji to the window frame side via the first pivot (11), so that the entire window shoji is uniform. The airtightness can be further improved. The present invention is also configured, as described above, so that the hinge arm (8) is pulled by the pulling portion (30) on the driving rod (5) side so as to rotate in the closing direction about its pivot (11). Therefore, the lower free end of the window shoji is pulled toward its closed position, and the lower receiving member (2
The relative engagement between 3) and the pulling member (22) on the driving rod (5) side is further smoothly performed.

[Brief description of the drawings]

FIG. 1 is an overall longitudinal side view of a window according to an embodiment of the present invention, showing a state where upper and lower window shojis are opened and closed.

FIG. 2 is a partially enlarged longitudinal sectional side view of a window showing a state where the upper sash of FIG. 1 is closed and drawn.

FIG. 3 is a partially enlarged longitudinal side view of a window showing a state in which the upper sash of FIG. 1 is closed, its pulling is released, and the movable mounting seat is not connected so as to move up and down integrally with the driving rod. FIG.

4 is a partially enlarged longitudinal side view of a window showing a state in which the upper sash of FIG. 1 is slightly opened and a movable mounting seat is connected so as to move up and down integrally with a driving rod.

FIG. 5 is a partially enlarged longitudinal sectional side view of the window showing a state in which the upper sliding door of FIG. 1 is completely opened.

FIG. 6 is a partially enlarged longitudinal sectional side view of the window showing a state where the lower sash of FIG. 1 is closed and drawn.

FIG. 7 is a partially enlarged longitudinal sectional side view of the window showing a state in which a lower sliding door of FIG. 1 is completely opened.

FIG. 8 is a schematic diagram viewed from the line AA of FIG. 2 in an arrow direction.

FIG. 9 is a schematic diagram of the BB line in FIG.

FIG. 10 is an enlarged sectional view taken along line CC of FIG. 1.

11 is an enlarged sectional view taken along line DD in FIG. 1.

FIG. 12 is an enlarged sectional view taken along line EE in FIG. 1.

FIG. 13 is an exploded perspective view of a hinge arm, a driving rod, and a connecting means thereof.

[Explanation of symbols]

1 upper window shoji 2 lower window shoji 3 window frame 4
Vertical frame 5 Drive rod 6 Worm gear mechanism 7 Crank handle 8
Hinge arm 11 First pivot 12 Movable mounting seat
13 Support arm 14 Second pivot 15 Fixed mounting seat
16 3rd pivot 17 Stopper 18 Guide hole
19 Stopper 20 Stopper receiver 22 Pulling member 23 Receiving member 25 Spring 28 Spring receiver 29 Spring receiver 3
0 Pulling part 33 Band member 37 Guide hole 38
Pulling member and pin 26 Butt part 27 Butt part 36 Sliding member 37 Guide hole 39 Receiving member 42 Worm gear 43 Shaft 44 Operating arm 45 First transmission rod 47 Second transmission rod
50 Crank arm 51 Rotary transmission shaft 53 Bearing seat 67 Ring

Continued on the front page (72) Inventor Akira Miyazato 3-37-38 Kanda Sakuma-cho, Chiyoda-ku, Tokyo Inside Nakanishi Sangyo Co., Ltd. (58) Field surveyed (Int.Cl. ⁶ , DB name) E05F 11/16- 11/18 E06B 7/082-7/086

Claims (8)

(57) [Claims] An elongated drive rod to move up and down along its longitudinal 1. A built into the vertical frame of the window, and a movable mounting seat mounted in consolidated unit to the drive rod, the stile of the window sash A hinge arm which is fixed to the upper end and whose upper extension is pivotally connected to the movable mounting seat by a first horizontal pivot; and a fixed mounting which is fixed to a vertical frame of the window at a position below the hinge arm. And
A support arm having one end pivotally connected to the hinge arm with a second horizontal pivot and the other end pivotally connected to the fixed mounting seat with a third horizontal pivot; A pulling means, and a crank handle for vertically moving the drive rod, wherein the window slide is opened and closed about a first pivot axis of the window shoji while moving the window shoji up and down in accordance with the vertical movement of the drive rod. The means is provided with a first pivot of the hinge arm, and a vertically elongated guide hole provided directly or indirectly on the driving rod and slidably fitted to the first pivot to guide the first pivot in the vertical direction. A stopper provided directly or indirectly on the driving rod, and a movable mounting seat is provided on the movable mounting seat and engaged with the stopper, thereby moving the movable mounting seat up and down integrally with the driving rod and stopping the movable mounting seat. Engagement position with Is composed of a stopper receiving holding, at the connecting means, descent of the movable mounting seat when opening the window sash from the closed position is delayed with respect to the descent of the driving rod,
The pulling of the window shoji by the pulling means is released before the window shoji is opened, and the rise of the movable mounting seat when closing the window shoji is continued at the closed position of the window shoji. The pulling means is operated after the window shroud is closed, and the movable mounting seat is provided with a spring between the hinge arm and the spring so that the stopper receiver always swings in the direction of engagement with the stopper. The movable mounting seat is urged by the hinge arm and swings in a direction toward the closed position against the spring so that the stopper receiver swings in a direction in which the stopper receiver comes off the stopper. 2. The first pivot of the hinge arm is pushed up at the lower end of the guide hole on the drive rod side when the drive rod rises to close the window shoji, and is driven to open the window shoji. 2. The stay device for a window sash according to claim 1, wherein when the rod descends, it is pushed down at the upper end of the guide hole on the driving rod side. 3. The window shoji pulling means is provided at a lower position of the window shoji and pulls the lower position toward the window frame, and the guide hole for the first pivot is formed obliquely so as to extend the first pivot. 3. The window sash retainer according to claim 1, wherein the upper portion of the window sash is drawn toward the window frame through the window. 4. The pulling means, wherein the pulling member is fixed to a driving rod, a receiving member meshing with the pulling member is fixed to a window sash, and the pulling member meshes with the receiving member by its vertical movement. 4. The window sash retainer according to claim 1, wherein the retainer is detached from the receiving member. 5. The pulling means, wherein the pulling member is provided on a transmission means located between the crank handle and the driving rod, and a receiving member which engages with the pulling member is fixed to a window sash. 4. The window sash stay control device according to claim 1, wherein the device engages with the receiving member or detaches from the receiving member by the rotation. 6. The hinge arm and the movable mounting seat have a butting portion which presses each other to release the relative engagement between the stopper and the stopper receiver. A stay device for a window shoji according to the above. 7. The driving rod according to claim 1, further comprising a pulling portion which engages with the back surface of the butting portion of the hinge arm to pull the hinge arm toward the closed position of the window shoji. A stay device for a window shoji according to the above. 8. The apparatus according to claim 1, wherein the guide hole for the first pivot, the stopper for the movable mounting seat, and the pulling member for the hinge arm are provided on another belt-shaped member fixed to the driving rod. 7
The holding device for window shoji described in any of the above.