JP2021017785A - Folding door and fixture - Google Patents

Abstract

To provide a folding door which can be easily extended while having a handle at a coupling part side.SOLUTION: A folding door having two adjacent sashes rotatably coupled in a foldable way comprises a handle provided at a coupling part side of one sash of the two adjacent sashes to be gripped in an operation for folding or extending the two adjacent sashes and a pressing force part interlocking with the handle in the extending operation for pressing the other sash in a direction where the angle between the one sash and the other sash of the two sashes is opened.SELECTED DRAWING: Figure 2

Description

The present invention relates to folding doors and fittings.

Conventionally, as a folding door, one end of two door plates (shoji) is rotatably connected via a hinge, the other end is movably supported along a rail, and a handle is provided on the outside of the connecting portion of one door plate. The folding doors provided are known (see, for example, Patent Document 1). In this folding door, two door plates are stretched along the rail and closed, and the hinge is bent and the folding door is folded by pulling the handle in the direction away from the rail. Further, in a state where the two door plates are folded, the folding door is extended by moving the handle along the rail so as to approach the rail.

Japanese Unexamined Patent Publication No. 10-299299

In the above-mentioned conventional folding door, when moving the handle along the rail to extend the folding door so as to approach the rail, the two door plates are in a folded state, so that the handle is at the position farthest from the rail. Is located in. For this reason, when the handle of the folded folding door is moved along the rail, a moment acts around the tip of the shoji on the moving destination side, hindering the movement along the rail of the door, and the two shoji. There is a problem that it is difficult to open the space and the folding door is difficult to extend.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a folding door which is easy to expand while having a handle on the connecting portion side and a fitting provided with the folding door. ..

The main invention for achieving such an object is a folding door in which two adjacent sashes are rotated and foldably connected, and the connecting portion side of one of the two sashes. The handle that is provided in the above and is gripped during the operation of folding or expanding the two shoji, and the handle that is interlocked with the handle during the operation of expanding, and the one of the shoji and the other of the two shoji. The folding door is characterized by having a pressing portion for pressing the other shoji in a direction in which the angle formed by the shoji is opened.
Other features of the present invention will be clarified by the description in this specification and the accompanying drawings.

According to the present invention, it is possible to provide a folding door which is easy to expand while having a handle on the connecting portion side, and a fitting provided with the folding door.

It is an external view which looked at the fitting which concerns on this embodiment from the indoor side. It is sectional drawing which shows the connecting part of the folding door which concerns on this embodiment. It is a perspective view of the left vertical middle stile provided with the assist mechanism. It is a perspective view which shows the assist mechanism. It is an exploded perspective view which shows the structure of an assist mechanism. It is sectional drawing which shows the state which the handle was operated.

Hereinafter, a folding door according to an embodiment of the present invention and a fitting provided with the folding door will be described with reference to the drawings.
In the present embodiment, as shown in FIG. 1, a fitting 1 provided with a folding door 2 provided at a boundary between indoors and outdoors and overhanging and folding toward the indoor side will be described as an example.

In the following explanation, when the fitting 1 attached to a building or the like is viewed from the indoor side, the vertical direction is the vertical direction, the horizontal direction is the horizontal direction, and the indoor / outdoor direction is the depth direction. Shown as direction. Even if it is each part of the fitting 1 or each member constituting the fitting 1 is in a single state, in the vertical direction, the horizontal direction, the prospective direction, etc. with the fitting 1 attached. The direction will be specified and explained.

In the fitting 1 of the present embodiment, the frame body 3 forming the opening 3a and the two adjacent shoji screens 4 and 5 mounted on the frame body 3 are rotatably connected to each other via the connecting member 6 and folded. It has a free folding door 2. The two shoji screens 4 and 5 each have a rectangular face member 4a and 5a and a frame body 40 and 50 for accommodating the four circumferences of the face member 4a and 5a, respectively. In each of the stiles 40, 50, the left and right vertical stiles 41, 42, 51, 52 and the upper and lower horizontal stiles 43, 44, 53, 54 are assembled as a stile, and the upper and lower horizontal stiles 43, 44, 53, A rail (not shown) for guiding the folding door 2 when opening and closing is provided on the 54 along the left-right direction.

In the present embodiment, the shoji (hereinafter referred to as the right shoji) 4 located on the right side in FIG. 1 can rotate up and down the vertical stile (hereinafter referred to as the hanging stile) 41 on the right side and moves in the left-right direction. The shoji (hereinafter referred to as the left shoji) 5 located on the left side is supported so that the vertical stile 51 on the left side (hereinafter referred to as the door end stile) can rotate and can move in the left-right direction. ing.

Between the right shoji 4 and the left shoji 5, the left vertical stile of the right shoji 4 (hereinafter referred to as the right vertical middle stile) 42 and the right vertical stile of the left shoji 5 (hereinafter referred to as the left vertical middle stile) 52. A connecting member 6 is provided. The folding door 2 is configured such that the right vertical middle stile 42 and the left vertical middle stile 52 engage with the connecting member 6 to rotate the right shoji 4 and the left shoji 5. That is, in the connecting portion between the right shoji 4 and the left shoji 5, the right vertical center stile 42 of the right shoji 4 and the left vertical center stile 52 of the left shoji 5 are rotatably connected by the connecting member 6. Further, the left vertical center stile 52 of the left shoji 5 is provided with an assist mechanism 7 that assists the movement of the left shoji 5 when the folding door 2 is closed.

As shown in FIG. 2, the right vertical middle stile 42 and the left vertical middle stile 52 have hollow portions 42a and 52a communicating in the vertical direction, respectively, and the vertical middle stile main bodies 42b and 52b have a substantially rectangular horizontal cross-sectional shape. And, in the state where the folding door 2 is extended, that is, when the opening 3a is closed, the indoor extension of the vertical middle frame main bodies 42b and 52b is extended in the direction of being connected from the indoor surface and the outdoor surface. It has protrusions 42c and 45c and outdoor extension portions 42d and 52d.

The right vertical middle stile 42 and the left vertical middle stile 52 are formed by the vertical middle stile main bodies 42b and 52b, the indoor extension portions 42c and 45c, and the outdoor extension portions 42d and 52d, and the sides facing each other are It has insertion spaces 42e and 52e that are opened and into which the connecting member 6 is inserted. Further, hook portions 42f and 52f that engage with the connecting member 6 are provided at the tips of the outdoor extending portions 42d and 52d.

The connecting member 6 has a connecting vertical member 61 having substantially the same length as the right vertical center frame 42 and the left vertical center frame 52, and a guide portion 62a for guiding the rotation of the right shoji 4 and the left shoji 5. It has an edge cap 62 that is locked so as to cover the upper and lower ends of the vertical member 61.

The connecting vertical member 61 has an outer peripheral wall portion 61b having a substantially semicircular arcuate outer shape and curved so as to be recessed toward the indoor side to form a concave portion 61a on the outdoor side, and tips on both sides of the outer peripheral wall portion 61b. It has a locking piece 61c, which is projected from the above in a direction facing each other and locks the edge cap 62. The tips of the two locking pieces 61c facing each other are spaced apart in the left-right direction, and the inside and the outside of the recess 61a of the outer peripheral wall portion 61b are communicated between the tips of the two locking pieces 61c. ..

The edge caps 62 provided at the top and bottom are abutted against the upper end or the lower end of the connecting vertical member 61 to cover the edge of the connecting vertical member 61, and the edge covering portion 62b to the center side of the connecting vertical member 61 in the longitudinal direction. It has a guide portion 62a that is projected from the center and housed in the recess 61a. In the edge cap 62, the guide portion 62a is housed in the recess 61a of the connecting vertical member 61 and is locked by the locking piece 61c.

The guide portion 62a is housed in the recess 61a and is provided on the left and right sides of the central protrusion 62c which protrudes to the outdoor side between the left and right locking pieces 61c and the recessed hook portion 42f on the indoor side. , 52f is accommodated, and a rotating engaging piece 62e that protrudes from the outdoor end of the accommodating recess 62d toward the central projecting portion 62c and engages with the hook portions 42f and 52f, respectively. ing.

The central protruding portion 62c and each rotating engaging piece 62e are spaced apart from each other, and the outdoor extending portions 42d and 52d are arranged between the central protruding portion 62c and each rotating engaging piece 62e to accommodate the accommodating recess 62d. The hook portions 42f and 52f housed in the above are configured to engage with the rotation engaging piece 62e so that the right sash 4 and the left sash 5 rotate. The substantially vertical axis when the hook portions 42f and 52f engage with the rotation engaging piece 62e of the upper and lower guide portions 62a to rotate the right shoji 4 and the left shoji 5 corresponds to the shoji rotation axis. To do.

The assist mechanism 7 is provided on the left vertical center stile 52. As shown in FIGS. 3 to 5, the assist mechanism 7 includes a handle member 70 having a handle 70a to be gripped when operating the folding door 2 from the indoor side, and a pair of handle members 70 that rotatably support the handle member 70 from above and below. A pair of an assist member 72 having a handle support member 71, a pressing portion 72a that presses the right obstacle 4 when the folding door 2 is extended by operating the handle 70a, and a pair of assist members 72 that rotatably support the assist member 72 from above and below. The assist support member 73, the coil spring 74 as a restoration member that restores the operated handle member 70 and the assist member 72 to the positions before the operation, and the spring receiving member 75 that forms a receiving portion of the coil spring 74 together with the assist member 72. ,have. In FIGS. 4 and 5, the screw screwing member 76 for fixing the lower handle support member 71 and the assist support member 73 to the thin left vertical center frame 52 is shown, but the upper handle support member 71 and the upper handle support member 71 and The assist support member 73 is also fixed in the same manner. Further, if the handle support member 71 and the assist support member 73 can be fixed to the left vertical center stile 52, the screw screw member 76 may not be used.

In the description of the configuration of the assist mechanism 7, the left shoji 5 and the left vertical center stile 52 will be described with the side facing the room in the extended state of the folding door 2 as the indoor side and the side facing the outside as the outdoor side.

In the portion of the left vertical middle stile 52 where the assist mechanism 7 is provided, stile openings 52g and 52h that communicate the inside and outside of the hollow portion 52a are provided on the surface of the vertical middle stile body 52b facing the room and the surface facing the outside, respectively. Has been done.

The handle member 70 is a handle 70a that is arranged and gripped on the indoor side of the left vertical middle stile 52, and a handle internal extension that is connected to the handle 70a and inserted from the stile opening 52g on the indoor side and arranged in the hollow portion 52a. It has a protrusion 70b and. The handle 70a and the in-handle extension 70b are bent so as to form an obtuse angle, for example, 120 degrees, and the upper and lower portions of the boundary between the handle 70a and the in-handle extension 70b are in the vertical direction. The vertical hole 70c of the handle along the above is formed coaxially.

The handle rotation shaft 71a of each pair of handle support members 71 screwed to the indoor side of the left vertical center frame 52 is inserted into the handle vertical hole 70c. The handle rotation shaft 71a is provided on each handle support member 71 so as to project from the handle side overhanging portion 71b protruding toward the indoor side in a direction facing each other. The handle member 70 is rotatably provided around the handle rotation shaft 71a. The handle rotation shaft 71a is provided along the shoji rotation shaft, that is, parallel to the shoji rotation shaft.

The extension portion 70b in the handle is divided into two portions, an upper end portion 70d and a lower end portion 70e, on the side opposite to the handle 70a, and a gap into which the assist member 72 enters between the upper end portion 70d and the lower end portion 70e. 70f is provided. The upper end portion 70d and the lower end portion 70e are each provided with an engaging rotation shaft 70g that projects toward the gap 70f and rotatably engages with the assist member 72.

The assist member 72 includes a pressing portion 72a arranged on the outdoor side of the left tate-chu stile 52, and an extending portion 72b in the pressing portion arranged in the hollow portion 52a from the outdoor stile opening 52h connected to the pressing portion 72a. ,have. The pressing portion 72a and the pressing portion inward extending portion 72b are provided so as to form a substantially right angle, and the upper and lower portions of the boundary portion between the pressing portion 72a and the pressing portion inward extending portion 72b are pressed along the vertical direction. The vertical holes 72c are formed coaxially.

The pressing portion rotating shaft 73a of each pair of assist support members 73 screwed to the outdoor side of the left vertical center frame 52 is inserted into the pressing portion vertical hole 72c. The pressing portion rotating shaft 73a is provided on each assist supporting member 73 so as to project from the pressing portion side overhanging portion 73b protruding to the outdoor side in a direction facing each other. The assist member 72 is rotatably provided around the pressing portion rotating shaft 73a. The pressing portion rotation shaft 73a is provided along the shoji rotation shaft, that is, parallel to the shoji rotation shaft.

The extension portion 72b in the pressing portion has a substantially rectangular shape, and a protrusion 72d that projects toward the door end side in the center and is inserted into the coil spring 74 is provided on the surface of the extension portion 72b in the pressing portion on the door end side. It is provided. The vertical width of the extending portion 72b in the pressing portion is formed to be slightly narrower than the distance between the upper end portion 70d and the lower end portion 70e of the handle member 70. On the upper surface and the lower surface of the in-plane extending portion 72b of the pressing portion, an engaging vertical hole 72e formed by a recess in the vertical direction and an elongated hole along the in-plane direction of the in-plane extending portion 72b of the pressing portion is coaxially formed. The engaging rotation shaft 70g of the extension portion 70b in the handle is rotatably engaged with the engaging vertical hole 72e. The engaging rotation shaft 70g is provided along the shoji rotation shaft, that is, parallel to the shoji rotation shaft.

The handle member 70 of the present embodiment has two upper and lower portions so that the upper end portion 70d side and the lower end portion 70e side are separated so that the upper and lower engaging rotation shafts 70g can be inserted into the engaging vertical holes 72e, respectively. It is divided into parts.

The spring receiving member 75 includes a rectangular flat plate-shaped receiving portion 75a, a rib 75b extending from two adjacent sides of the receiving portion 75a in the out-of-plane direction of the receiving portion 75a, and a rib from the receiving portion 75a. It has a protrusion 75c that protrudes in the same direction as the 75b and is inserted into the coil spring 74.

The assist mechanism 7 supports the handle on the indoor side of the left vertical middle stile 52 in the engaging vertical hole 72e of the assist member 72 rotatably supported by the assist support member 73 on the outdoor side of the left vertical middle stile 52. The engaging rotation shaft 70g of the handle member 70 rotatably supported is inserted into the member 71, and the handle member 70 and the assist member 72 are rotatably engaged with each other.

In the state where the handle 70a is not operated, as shown in FIG. 2, the receiving portion 75a and the protrusion 75c of the spring receiving member 75 provided so as to face the wall portion on the door end side of the vertical center frame main body 52b. , The protrusion 72f of the assist member 72 is inserted and arranged in a compressed state. Therefore, the extension portion 72b in the pressing portion of the assist member 72 is arranged along the wall portion on the connecting portion side of the vertical center frame main body 52b by the coil spring 73. At this time, the pressing portion 72a is arranged along the in-plane direction of the left shoji 5, and the handle 70a is arranged in an open state so as to form an acute angle with the in-plane direction of the left shoji 5.

In the state where the folding door 2 is folded, the two shoji screens 4 and 5 are arranged so as to overlap each other in the left-right direction along the substantially expected direction, and the pressing portion 72a is the right vertical center frame 42 of the right shoji screen 4. It is arranged so as to be sandwiched between the left vertical center stile 52 of the left shoji 5.

When the folded folding door 2 is extended to close the opening 3a, a finger is inserted between the handle 70a and the left tate-chu-frame 52 to grasp the handle 70a, and the handle 70a is separated from the left tate-chu-frame 52. The handle rotation shaft 71a is rotated around the handle, and the left vertical center stile 52 is moved to the left and to the outdoor side. At this time, as shown in FIG. 6, by rotating the handle 70a around the handle rotation shaft 71a, the end of the handle inward extending portion 70b in the hollow portion 52a is opposite to the handle 70a. Move to the door end side.

The extension portion 72b inside the pressing portion, in which the extension portion 70b inside the handle and the engaging rotation shaft 70g are rotatably engaged, is also interlocked with the handle 70a, and the end opposite to the pressing portion 72a is the door end. By moving to the side, the assist member 72 rotates around the pressing portion rotating shaft 73a, and the pressing portion 72a rotates about the pressing portion rotating shaft 73a. At this time, the pressing portion 72a rotates in a direction in which the tip end side is separated from the left vertical center stile 52.

In the folded state of the folding door 2, the pressing portion 72a is arranged so as to be sandwiched between the right vertical middle stile 42 of the right shoji 4 and the left vertical middle stile 52 of the left shoji 5. When the tip side of the sash rotates in the direction away from the left vertical middle stile 52, the right vertical middle stile 42 of the right shoji 4 is pressed in the direction away from the left vertical middle stile 52 of the left shoji 5. That is, the pressing of the pressing portion 72a urges the angle formed by the right shoji 4 and the left shoji 5 in the opening direction, and the folding door 2 begins to expand.

When the finger is released from the handle 70a, the tip of the pressing portion extending portion 72b is moved toward the connecting portion by the pressed coil spring 74, and the assist member 72 rotates about the pressing portion rotating shaft 73a. The handle member 70 rotates about the handle rotation shaft 71a. Due to the rotation of the assist member 72 and the handle member 70, the extension portion 72b in the pressing portion of the assist member 72 is aligned with the wall portion on the connecting portion side of the vertical center stile body 52b, and the pressing portion 72a is the left shoji 5 The tip of the handle 70a is returned to the left vertical center stile 52 side along the in-plane direction.

According to the folding door 2 of the present embodiment, when the folding door 2 is extended, the pressing portion 72a is interlocked with the gripping handle 70a, and the left shoji 5 and the right shoji 4 provided with the handle 70a form a pressing portion 72a. Since the right shoji 4 is pressed in the direction in which the angle opens, when the folding door 2 is extended, the two shoji 4 and 5 are urged to open. For this reason, the connecting portions of the two folded and overlapping shoji 4 and 5 move in the same direction in the left-right direction, or the two shoji 4 and 5 are centered on the door end stile 51 or the hanging stile 41. It is possible to prevent the movement so as to tilt in the same direction. Therefore, it is possible to provide a folding door 2 that is easy to expand while having a handle 70a on the connecting portion side of the shoji 4 and 5.

Further, by rotating the handle 70a protruding to the opposite side of the right shoji 4, the handle inward extending portion 70b integrated with the handle 70a also rotates. Then, when the extension portion 70b inside the handle rotates, the extension portion 72b inside the pressing portion engaged by the engagement rotation shaft 70g rotates in conjunction with the rotation, and the extension portion 72b inside the pressing portion rotates. , The pressing portion 72a integrated with the extending portion 72b in the pressing portion presses the right shoji 4. Therefore, by operating the handle 70a, it is possible to reliably press the right shoji 4 and urge the two shoji 4 and 5 to open.

Further, since the coil spring 74 that restores the rotated pressing portion 72a to the original position is provided, the pressing portion 72a and the handle 70a can be restored by simply releasing the finger from the handle 70a without returning the operated handle 70a. It is possible to return to the position of.

Further, since the handle 70a and the pressing portion 72a are provided on the left vertical center stile 52 provided at the connected end portion of the left shoji 5, the handle inward extending portion 70b and the pressing portion inward extending portion 72b are provided. It is possible to fit the engaging portion with the left vertical center stile 52. Therefore, it is possible to provide the folding door 2 which is easy to expand and has excellent design.
It is also possible to provide a fitting 1 having a handle 70a on the connecting portion side of the left shoji 5 with the right shoji 4 and a folding door 2 which is easy to extend.

In the above embodiment, an example in which an assist mechanism 7 including a handle 70 is provided on the left vertical center frame 52 of the left shoji 5 and the right shoji 4 is pressed by the pressing portion 72a by the operation of the handle 70 has been described. However, the assist mechanism may be provided in the right vertical center frame of the right shoji, and the pressing portion may press the left shoji by operating the handle.

In the above embodiment, an example in which the restoring member is a coil spring 74 has been described, but the present invention is not limited to this, as long as it is a member that can be urged to return the handle to the original position by simply releasing the finger from the operation. I do not care.

In the above embodiment, an example in which the upper and lower ends of the right stile of the right shoji 4 out of the two shoji 4 and 5 are immovably supported in the left-right direction has been described, but the present invention is not limited to this. For example, even if the upper and lower ends of the left stile of the left shoji of the two shoji are supported so as not to move in the left-right direction, both of the two shoji can be rotated. Moreover, it may be a folding door that is supported so as to be movable in the left-right direction and is used as a partition that separates the two spaces.

Further, in the above embodiment, as the folding door 2 provided with the assist mechanism 7, the folding door 2 having two shoji screens 4 and 5 provided with the frame bodies 40 and 50 and the face materials 4a and 5a will be described as an example. However, it is not limited to this. For example, it may be a folding door in which panel-shaped shoji are rotatably connected.

The above embodiment is for facilitating the understanding of the present invention, and is not for limiting the interpretation of the present invention. It goes without saying that the present invention can be modified and improved without departing from the spirit thereof, and the present invention includes an equivalent thereof.
The present embodiment includes at least the following inventions.

It is a folding door in which two sashes adjacent to each other are foldably connected by rotating, and is provided on the connecting portion side of one of the two sashes to fold the two sashes. The handle held during the operation or extension operation and the handle during the extension operation are interlocked with each other, and the angle between the one shoji and the other of the two shoji is opened. It is a folding door characterized by having a pressing portion for pressing the other shoji.

According to such a folding door, when the folding door is extended, the pressing portion is interlocked with the gripping handle, and the other is in the direction in which the angle between one shoji provided with the handle and the other shoji is opened. Since the shoji is pressed, when the folding door is extended, the two shoji are urged to open. Therefore, it is possible to prevent the connecting portion of the two folded and overlapping shoji from moving in the same direction, or the two shoji from being tilted in the same direction. For this reason, it is possible to provide a folding door that is easy to expand while having a handle on the connecting portion side of the shoji.

In such a folding door, the handle is rotatably supported by a handle rotating shaft along a sash rotating shaft on which the two sashes rotate, and protrudes to the opposite side of the other sash. It has an in-handle extending portion extending from the rotating shaft side to the inside of the one shoji, and the pressing portion is rotatably supported by a pressing portion rotating shaft along the shoji rotating shaft. It has a pressing portion in-extending portion that is arranged between two shoji and extends from the pressing portion rotating shaft side to the inside of the one shoji, and has the handle in-extending portion and the pressing portion in-extending portion. The portion is arranged along the out-of-plane direction of the one shoji in a folded state of the two shoji, and is rotatably engaged by the engaging rotation shaft along the shoji rotation shaft. The sash is characterized in that the pressing portion rotates due to the rotation of the handle during the stretching operation to press the other shoji.

According to such a folding door, when the handle protruding to the opposite side of the other shoji is rotated, the extension portion inside the handle that is integrated with the handle also rotates. Then, when the extension portion inside the handle rotates, the extension portion inside the pressing portion engaged by the engaging rotation shaft rotates in conjunction with the rotation, and the extension portion inside the pressing portion rotates, so that the extension portion inside the pressing portion extends. The pressing portion integrated with the protruding portion presses the other shoji. Therefore, by operating the handle, it is possible to reliably press the other shoji and urge the two shoji to open.

The folding door is characterized by having a restoring member that restores the pressing portion rotated by the stretching operation to the original position.
According to such a folding door, since it has a restoring member that restores the rotated pressing portion to the original position, the pressing portion and the handle can be returned by simply releasing the hand from the handle without returning the operated handle. It is possible to return to the position of.

The folding door is characterized in that one of the shoji screens has a vertical stile at a connected end portion, and the handle and the pressing portion are provided on the vertical stile.

According to such a folding door, since the handle and the pressing portion are provided on the vertical stile provided at the end where one of the shoji is connected, the mechanical portion can be housed in the stile. .. Therefore, it is possible to provide a folding door that is easy to expand and has excellent design.

Further, the fitting is characterized by having the folding door and a frame body provided with rails for guiding the ends of the shoji on the side not connected in a predetermined direction.
According to such fittings, it is possible to provide fittings having a folding door that is easy to extend while having a handle on the connecting portion side of the shoji.

1 joinery, 2 folding doors, 3 frames, 4 right shoji, 5 left shoji, 7 assist mechanism,
42f hook part, 52 left vertical center frame, 52f hook part, 62d storage recess,
62e Rotating engagement piece, 70a handle, 70b handle internal extension,
70g engaging rotation shaft, 71a handle rotation shaft, 72a pressing part,
72b Pressing part extension part, 73a Pressing part rotating shaft, 74 coil spring,

Claims (5)

It is a folding door in which two shoji screens adjacent to each other rotate and are foldably connected.
A handle provided on the connecting portion side of one of the two shoji screens and gripped during the folding or expanding operation of the two shoji screens.
A pressing portion that is interlocked with the handle during the stretching operation and presses the other shoji in a direction in which the angle between the one shoji and the other shoji of the two shoji opens.
A folding door characterized by having. The folding door according to claim 1.
The handle is rotatably supported by a handle rotation shaft along a sash rotation shaft on which the two sashes rotate, and projects to the side opposite to the other sash, and the handle rotation shaft side. It has an extension inside the handle that extends inside one of the shoji,
The pressing portion is rotatably supported by the pressing portion rotating shaft along the shoji rotating shaft and is arranged between the two shoji, and is inside the one shoji from the pressing portion rotating shaft side. It has an extension part inside the pressing part that extends to
The extension portion in the handle and the extension portion in the pressing portion are arranged along the out-of-plane direction of the one shoji in a folded state of the two shoji, and are engaged along the rotation axis of the shoji. It is rotatably engaged by the combined rotation shaft,
A folding door characterized in that the pressing portion rotates due to the rotation of the handle during the stretching operation to press the other shoji. The folding door according to claim 2.
A folding door characterized by having a restoring member that restores the pressing portion rotated by the stretching operation to the original position. The folding door according to claim 2 or 3.
One of the shoji has a vertical stile at the connected end, and has a vertical stile.
A folding door characterized in that the handle and the pressing portion are provided on the vertical frame. The folding door according to any one of claims 1 to 4.
A frame body provided with a rail that guides the end portion of the shoji that is not connected in a predetermined direction, and
Joinery characterized by having.

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