JP2020178931A - Household furniture - Google Patents

Abstract

To provide household furniture capable of increasing installation efficiency of a cup holder (option unit).SOLUTION: A connection chair 10 according to one aspect of the present invention comprise: a back lining plate 71 that is extended in a vertical direction; a back pad 72 that is arranged in the state of facing the back lining plate 71 in a longitudinal direction and that forms a first clearance S1 opened upward between itself and the back lining plate 71; and an option unit 17A that is inserted into the first clearance S1 from above and that is engaged in the state of being sandwiched between the back lining plate 71 and the back pad 72.SELECTED DRAWING: Figure 6

Description

The present invention relates to furniture.

As a chair installed in a viewing space such as a theater, it is known that a cup holder that can be used by a seater in the back row seat is provided on the backrest of the front row seat or the like (see, for example, Patent Document 1 below). In the invention of Patent Document 1 below, the cup holder is fixed to the adjacent backrests in the front row seats by screws.

Jikkenhei 7-1846 Gazette

In the above-mentioned conventional technique, when installing the cup holder, it is necessary to screw a plurality of screws to one cup holder. Therefore, there is still room for improvement in terms of improving installation efficiency.

An object of the present invention is to provide a fixture capable of improving the installation efficiency of a cup holder (optional unit).

In order to achieve the above object, the fixture according to one aspect of the present invention is arranged with the upright member extending in the vertical direction and the upright member facing the upright member in the first direction intersecting in the vertical direction. An opposing member that forms a first gap that opens upward between them, and an optional unit that is inserted into the first gap from above and engaged in a state of being sandwiched between the standing member and the opposing member. It has.

According to this aspect, the option unit can be attached to the fixture only by inserting it from above into the first gap formed between the upright member and the facing member. Therefore, it is possible to improve the installation efficiency as compared with the conventional configuration in which the option unit is attached by screws or the like. That is, since the option unit can be easily installed even afterwards, it is easy to freely select a mode in which the option unit is attached to the fixture or a mode in which the option unit is not attached.
Moreover, since the option unit is mounted using the first gap formed between the upright member and the facing member, it is not necessary to provide a dedicated mounting hole such as a female screw hole in advance. Therefore, even if the option unit is not attached, the attachment holes are not conspicuous and the appearance can be improved.

In the fixture of the above aspect, the option unit is provided at a support member having a first portion sandwiched between the upright member and the opposing member, and an article provided at the second portion of the support member to support the article. It may be provided with a support portion.
According to this aspect, since the article support portion is supported via the support member, the article support portion can be provided in a state of protruding from the upright member. As a result, the degree of freedom in designing the optional unit can be improved.

In the fixture of the above aspect, the first part extends along a second direction intersecting the first direction in a plan view seen from the vertical direction, and the second part is the first part with respect to the first part. It may be bent in one direction and arranged on the side of the upright member, and the article support portion may be located on the side opposite to the first portion with the upright member in between.
According to this aspect, the first portion is located on the side opposite to the article support portion with the standing member sandwiched between them. As a result, the appearance of the option unit can be improved because the first portion (mounting position of the option unit) is not visible to the user of the article support portion.

In the fixture of the above aspect, in the second direction intersecting the first direction in a plan view seen from the vertical direction, the fixture is arranged adjacent to the upright member and opens upward between the upright member. An adjacent member forming a second gap may be provided, and the second portion may be sandwiched between the upright member and the adjacent member in the second gap.
According to this aspect, since the second portion is sandwiched between the upright member and the adjacent member, it becomes easy to position the option unit with respect to the fixture in the second direction.

In the fixture of the above aspect, the upright member may include a downward regulating portion that supports the optional unit from below.
According to this aspect, the downward movement of the option unit with respect to the upright member is restricted, and the option unit can be stably attached.

In the fixtures of the above aspect, the lower regulation portion may be connected to a support structure that stands up from the floor surface.
According to this aspect, since the lower regulation portion is connected to the support structure of the fixture, the option unit can be supported more stably.

In the fixture of the above aspect, the facing member includes a core material supported by the standing member and a pressing member that covers the core material and elastically presses the option unit toward the facing member. You may.
According to this aspect, at the time of insertion into the first gap, the option unit can be inserted into the first gap while elastically deforming the pressing member. On the other hand, in the mounted state of the option unit, the option unit is pressed against the upright member via the pressing member. As a result, it is possible to achieve stability in the mounted state while suppressing a decrease in installation efficiency.

In the fixtures of the above aspect, the facing member may have a back pad that supports the back of the seated person, and the standing member may include a back plate that supports the back pad from behind.
According to this aspect, by attaching the optional unit to the backrest of the chair, it is possible to improve the convenience for the seated person of the chair in the back row.

According to each of the above aspects, it is possible to improve the installation efficiency of the optional unit.

It is a perspective view of the chair system which concerns on 1st Embodiment. It is a front view of the connecting chair which concerns on 1st Embodiment. It is a perspective view which looked at the connecting chair which concerns on 1st Embodiment from the rear. It is a perspective view of the leg body which shows the state which removed the exterior body which concerns on 1st Embodiment. It is an exploded perspective view of the 1st chair unit which concerns on 1st Embodiment. It is sectional drawing which follows the VI-VI line of FIG. It is a perspective view of the 1st option unit which concerns on 1st Embodiment. It is sectional drawing which follows the line VIII-VIII of FIG. It is a figure which shows the connecting chair which concerns on 2nd Embodiment, and is the partial perspective view which looked at the connecting chair from the rear. It is a partial perspective view of the connecting chair which concerns on 3rd Embodiment. FIG. 6 is a cross-sectional view corresponding to FIG. 6 which is a connecting chair according to another configuration of the embodiment. FIG. 6 is a cross-sectional view corresponding to FIG. 6 which is a connecting chair according to another configuration of the embodiment. FIG. 6 is a cross-sectional view corresponding to FIG. 6 which is a connecting chair according to another configuration of the embodiment.

Next, an embodiment of the present invention will be described with reference to the drawings. In each of the embodiments (and modifications) described below, the corresponding configurations may be designated by the same reference numerals and description thereof may be omitted.

(First Embodiment)
[Chair system]
FIG. 1 is a perspective view of the chair system 1.
As shown in FIG. 1, the chair system 1 is installed in a viewing space such as a theater or an auditorium. In the following description, the orientations such as front-back, up-down, left-right, etc. are the same as the orientations of the person (seat person) seated in the normal posture. In this case, the arrow UP in the figure indicates upward, the arrow FR indicates forward, and the LH indicates left. Further, in the following description, in each component, the side separated from the center in the front-rear direction and the left-right direction may be referred to as the outside, and the side toward the center may be referred to as the inside.

The chair system 1 is configured by arranging a plurality of connecting chairs (furniture) 10 at intervals in the left-right direction and the front-rear direction. A pedestrian passage space W is secured between the connecting chairs 10.

<Connected chair>
FIG. 2 is a front view of the connecting chair 10. FIG. 3 is a perspective view of the connecting chair 10 as viewed from the rear.
As shown in FIGS. 1 to 3, the connecting chair 10 is configured by connecting a plurality of (for example, three) chair units 11 (11A to 11C) integrally in the left-right direction. However, the number of chair units 11 constituting the connecting chair 10 may be two or four or more. Further, the furniture according to the present invention may be the chair unit 11 alone.

The connecting chair 10 includes a leg body (standing member) 14, a seat 15, a backrest 16, and optional units (first option unit 17A and second option unit 1717B).
The connecting chair 10 of the present embodiment constitutes one chair unit 11 by a pair of legs 14 adjacent to each other in the left-right direction, and a seat 15 and a backrest 16 supported between the pair of legs 14. There is. Therefore, in the connecting chair 10 of the present embodiment, four leg bodies 14 are provided at intervals in the left-right direction with respect to the three chair units 11A to 11C.

<Legs>
As shown in FIG. 1, the leg body 14 stands upward from the floor surface F. The leg body 14 is formed in a plate shape with the left-right direction as the thickness direction.

FIG. 4 is a perspective view of the leg body 14 showing a state in which the exterior body 23 is removed. FIG. 5 is an exploded perspective view of the first chair unit 11A. In the following description, among the plurality of leg bodies 14 arranged in the left-right direction, leg bodies 14 other than the leg body 14 located at the end in the left-right direction (hereinafter, referred to as intermediate leg body 14A) will be taken as an example. explain. However, when it is not necessary to distinguish between the leg body 14 located at the end in the left-right direction (hereinafter, referred to as the end leg body 14B) and the intermediate leg body 14A, the leg body 14 will be collectively referred to as the leg body 14.
As shown in FIGS. 3 and 4, the leg body 14 includes a leg frame (support structure) 21, a backrest bracket (lower regulation portion) 22, an exterior body 23, and an armrest 24.

As shown in FIG. 4, the leg frame 21 is made of a plate material or the like made of a metal material or the like. The leg frame 21 functions as a strength member of the leg body 14. The lower end of the base portion 31 is fixed to the floor surface F by anchor bolts or the like. A seat bracket 34 is provided at the center of the leg frame 21 in the vertical direction.

The backrest bracket 22 is connected to the upper end of the leg frame 21. The backrest bracket 22 is formed in an L shape in a plan view by bending a plate material made of a metal material or the like by press molding or the like. Specifically, the backrest bracket 22 includes a leg mounting piece 35 and a backrest mounting piece 36.
The leg mounting piece 35 extends in the front-rear direction with the left-right direction as the thickness direction. The leg mounting piece 35 is fixed to the leg frame 21. The rear end edge of the leg mounting piece 35 extends so as to incline rearward as it goes upward. The upper end edge of the leg mounting piece 35 extends parallel to the floor surface F along the front-rear direction. However, the extending direction of the rear end edge and the upper end edge of the leg mounting piece 35 can be changed as appropriate.

The backrest mounting piece 36 extends in the left-right direction from the rear end edge of the leg mounting piece 35. Specifically, the backrest mounting piece 36 extends linearly toward the rear as it is separated from the leg mounting piece 35 in a plan view. In the side view, the backrest mounting piece 36 is inclined rearward as it goes upward following the rear end edge of the leg mounting piece 35. Further, the upper end edge of the backrest mounting piece 36 extends along the same plane as the upper end edge of the leg mounting piece 35 in the left-right direction.

In the present embodiment, two backrest brackets 22 are attached to one intermediate leg 14A toward both sides in the left-right direction. Further, one backrest bracket 22 is attached to one end leg 14B toward the side toward the intermediate leg 14A.

The exterior body 23 surrounds the leg frame 21. As shown in FIG. 5, the exterior body 23 includes a riser portion 41 and a decorative cover 42.
The riser 41 surrounds the lower part of the leg frame 21 over the entire circumference.
The decorative cover 42 surrounds a portion of the leg frame 21 located above the riser portion 41 over the entire circumference. The decorative cover 42 has a larger outer shape in a plan view than the riser portion 41.

A rear opening (not shown) that opens rearward is formed in the upper portion of the rear wall portion of the decorative cover 42. The backrest bracket 22 described above is pulled out of the exterior body 23 through the rear opening. Therefore, the above-mentioned backrest mounting piece 36 projects in the left-right direction with respect to the decorative cover 42. On the other hand, a side opening 44 is formed in the central portion of the side wall portion of the decorative cover 42. The seat bracket 34 described above is exposed to the outside of the exterior body 23 through the side opening 44.

The armrest 24 is connected to the upper end portion of the leg frame 21 (base portion 31) with the decorative cover 42 covered from above.

<Za>
As shown in FIG. 1, the seat 15 is rotatably supported via a support shaft 55 bridged between adjacent legs 14. Specifically, the seat 15 is formed by covering the skeleton member with a cushion material and a skin. A support shaft 55 penetrates the rear end of the seat 15. Both ends of the support shaft 55 are supported by the seat bracket 34 (see FIG. 5) described above. The seat 15 rotates about a support shaft 55 between a used position in which the seating surface faces upward and an unused position in which the seating surface faces rearward. In the present embodiment, the seat 15 may be urged toward an unused position by a return spring (not shown).

<Back lean>
The backrest 16 includes a back back plate (standing member) 71 and a back pad (opposing member) 72.
The back plate 71 is made of, for example, wood or the like. The back plate 71 bridges the rear ends of the adjacent legs 14. As shown in FIG. 5, the back plate 71 is formed in a plate shape with the left-right direction as the lateral direction and the vertical direction as the longitudinal direction. In the present embodiment, the back plate 71 is formed in a circular arc shape that is convex rearward in a plan view. However, the back plate 71 may be formed in a straight line along the left-right direction.

The above-mentioned backrest mounting pieces 36 provided on the adjacent leg bodies 14 are connected to both ends of the back plate 71 in the left-right direction. The backrest mounting piece 36 is connected to the back back plate 71 from the front by screwing or the like.

FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG.
As shown in FIGS. 5 and 6, the back pad 72 is detachably attached to the front surface of the back plate 71. Specifically, the back pad 72 includes a backrest frame (core material) 81, a cushion material (pressing member) 82, and a skin 83.

As shown in FIG. 6, the backrest frame 81 has a smaller front outer shape than the back plate 71. The backrest frame 81 is attached to the front surface of the back plate 71. The method of attaching the backrest frame 81 can be appropriately selected, such as locking with a hook or the like, screwing, or the like.

A first gap S1 in the front-rear direction is provided between the outer peripheral portion of the backrest frame 81 and the back back plate 71. The first gap S1 may be opened upward and outward in the left-right direction at least at both left and right ends of the backrest frame 81. The first gap S1 may be secured by providing a step or the like on the outer peripheral portion of the backrest frame 81.

The cushion material 82 is provided so as to cover the backrest frame 81 from the front and both left and right sides. The cushion material 82 is made of an elastically deformable material (for example, urethane foam or the like). In the present embodiment, the outer peripheral end portion of the cushion material 82 wraps around the outside of the backrest frame 81 and enters the first gap S1 described above. Therefore, the outer peripheral end portion of the cushion material 82 is close to or in contact with the front surface of the back plate 71 from the front. Therefore, the first gap S1 is widened by elastically deforming the outer peripheral end portion of the cushion material 82.

The skin 83 constitutes the outer surface of the back pad 72. The skin 83 covers the cushion material 82. The outer peripheral end portion of the skin 83 is fixed to a portion located on the inner peripheral side of the cushion material 82 on the rear surface of the backrest frame 81 by a tacker or the like. The skin 83 is made of a cloth material, a vinyl leather material, a natural leather material, or the like.

<Optional unit>
As shown in FIG. 3, the option units 17A and 17B are, for example, cup holders. The option units 17A and 17B of the present embodiment are provided between the adjacent chair units 11, respectively. Specifically, the option units 17A and 17B are between the first option unit 17A provided between the first chair unit 11A and the second chair unit 11B, and between the second chair unit 11B and the third chair unit 11C. The second option unit 17B provided in. In the following description, the first option unit 17A will be mainly described.

FIG. 7 is a perspective view of the first option unit 17A.
As shown in FIG. 7, the first option unit 17A is configured to accommodate a beverage container or the like of a seated person seated in the first chair unit 11A in the rear row. The first option unit 17 includes a stay (support member) 110 and a holder (article support portion) 111.

As shown in FIGS. 6 and 7, the stay 110 is formed by bending a plate material made of a metal material into a crank shape (Z-shaped in a plan view). The stay 110 is inserted from above into the first gap S1 formed between the back plate 71 and the back pad 72, so that the stay 110 is sandwiched between the back plate 71 and the back pad 72 in the front-rear direction. Has been done. Specifically, the stay 110 includes an insertion piece (first part) 120, a protruding piece (second part) 121, and a holder connecting piece (second part) 122.

The insertion piece 120 extends in the left-right direction so as to substantially follow the front surface of the back plate 71. The insertion piece 120 is sandwiched between the back back plate 71 and the back pad 72 in the first gap S1 of the first chair unit 11A. In the present embodiment, the insertion piece 120 is pressed against the back plate 71 by the urging force of the cushion material 82. As a result, the movement of the first option unit 17A with respect to the first chair unit 11A in the front-rear direction is restricted.

Further, as shown in FIG. 4, the insertion piece 120 is in close proximity to or in contact with the above-mentioned backrest bracket 22 (backrest attachment piece 36) in a state of being arranged in the first gap S1. As a result, the downward movement of the first option unit 17A with respect to the first chair unit 11A is restricted. As shown in FIG. 6, the insertion piece 120 is arranged at a position where it does not overlap with the rear end edge of the armrest 24 described above in a plan view.

The projecting piece 121 projects rearward from the lateral edge of the insertion piece 120 in the left-right direction. The projecting piece 121 projects rearward from the chair units 11A and 11B through the second gap S2 formed between the back plate 71 of the first chair unit 11A and the back plate (adjacent member) 71 of the second chair unit 11B. ing. A spacer 127 is interposed between the projecting piece 121 and the side surface of the back plate 71.

The holder connecting piece 122 extends in the left-right direction from the rear end edge of the protruding piece 121. Specifically, the holder connecting piece 122 extends in the left-right direction away from the first chair unit 11A, and wraps around behind the back plate 71 in the second chair unit 11B. The holder connecting piece 122 of the present embodiment extends rearward as it is separated from the protruding piece 121 following the rear surface of the back plate 71 in the second chair unit 11B. However, the holder connecting piece 122 may extend in parallel in the left-right direction.

As shown in FIGS. 6 and 7, the holder 111 includes a holder main body 131 and a holder mounting portion 132.
The holder body 131 is formed in a bottomed tubular shape that opens upward. The holder body 131 is configured to accommodate a beverage container or the like. The holder body 131 supports the lower surface of the beverage container by the bottom wall portion, and accommodates the beverage container in a state of surrounding the periphery of the beverage container by the peripheral wall portion.

A slit 133 is formed in the holder body 131. The slit 133 is formed in a range extending from the bottom wall portion of the holder main body 131 to the rear portion of the peripheral wall portion. The holder body 131 of the present embodiment is formed with a recess 135 that is recessed downward in a portion located at the rear portion of the peripheral wall portion. However, the holder body 131 can be appropriately changed as long as it can accommodate a beverage container or the like.

The holder mounting portion 132 projects forward from the peripheral wall portion of the holder body 131. The holder mounting portion 132 is fixed to the holder connecting piece 122 by screwing or the like. As a result, the holders 111 are arranged at intervals behind the back plate 71 in the second chair unit 11B. In the illustrated example, the holder 111 projects toward the first chair unit 11A in the rear row by projecting in the thickness direction of the holder connecting piece 122.

A protective member 136 is provided on the front surface of the holder connecting piece 122 described above. The protective member 136 is made of an elastically deformable material such as a sponge. The protective member 136 surrounds the periphery of the connecting portion 140 (for example, a nut) between the stay 110 and the holder 111 on the front surface of the holder connecting piece 122. As a result, contact between the connecting portion and the back plate 71 and the like is suppressed.

FIG. 8 is a cross-sectional view taken along the line VIII-VIII of FIG.
As shown in FIG. 8, in the second option unit 17B, two holders 111 and 138 are supported for one stay 110. The second option unit 17B includes a branch stay (support member) 137 and a holder (article support portion) 138 in addition to the same configuration as the first option unit 17A described above. In the following description, the same configuration as the first option unit 17A will be referred to with the same reference numerals as those of the first option unit 17A, and the description thereof will be omitted.

The branch stay 137 is connected to the stay 110 described above. The branch stay 137 is formed in an L shape in a plan view. Specifically, the branch stay 137 includes a protruding piece 141 and a holder connecting piece 142.

The projecting piece 141 is connected to the projecting piece 121 of the stay 110 described above in a state of being overlapped in the left-right direction. The projecting piece 141 is sandwiched between the back plates 71 of the adjacent chair units 11 in the second gap S2 described above.
The holder connecting piece 142 extends in the left-right direction from the rear end edge of the protruding piece 141. The holder connection piece 142 of the present embodiment extends to the side away from the third chair unit 11C in the left-right direction.

The holder 138 includes a holder main body 145 and a holder mounting portion 146. The holder mounting portion 146 is attached to the holder connecting piece 142 by screwing or the like.

Next, a method of mounting the option units 17A and 17B described above will be described. In the present embodiment, a case where the first option unit 17A is retrofitted in a state where the connecting chair 10 is installed in advance will be described.
The first option unit 17A is assembled from above between the first chair unit 11A and the second chair unit 11B. Specifically, the insertion piece 120 is inserted into the first gap S1 in the first chair unit 11A, and the protruding piece 121 is inserted into the second gap S2 between the first chair unit 11A and the second chair unit 11B. Let me. With the stay 110 entering the gaps S1 and S2, the stay 110 is pushed downward. At this time, the stay 110 is pushed into the backrest bracket 22 from above to a position where it approaches or abuts.

As a result, of the stay 110, the insertion piece 120 is sandwiched between the back plate 71 and the back pad 72 of the first chair unit 11A in the front-rear direction, and the protruding piece 121 is the first chair unit 11A and the second chair unit 11A. The first option unit 17A is attached while being sandwiched between the back plates 71 of the chair unit 11B in the left-right direction.

As described above, in the present embodiment, the first option unit 17A is inserted from above into the first gap S1 formed between the back back plate 71 and the back pad 72, and the back back plate 71 and the back pad 72 are inserted. It was configured to be engaged while being sandwiched between and.
According to this configuration, the option units 17A and 17B can be attached to the connecting chair 10 simply by inserting the option units 17A and 17B into the first gap S1 formed between the back back plate 71 and the back pad 72. Therefore, it is possible to improve the installation efficiency as compared with the conventional configuration in which the option unit is attached by screws or the like. That is, since the option units 17A and 17B can be easily installed even afterwards, it is easy to freely select a mode in which the option units 17A and 17B are attached to the connecting chair 10 and a mode in which the option units 17A and 17B are not attached.
Moreover, since the option units 17A and 17B are mounted using the first gap S1 formed between the back plate 71 and the back pad 72, it is not necessary to provide a dedicated mounting hole such as a female screw hole in advance. Therefore, even if the option units 17A and 17B are not attached, the attachment holes are not conspicuous and the appearance of the appearance can be improved.

In the present embodiment, the holders 111 and 138 are supported via the stay 110.
According to this configuration, the holders 111 and 138 can be provided in a state of protruding from the back plate 71. As a result, the degree of freedom in designing the option units 17A and 17B can be improved.

In the present embodiment, the insertion piece 120 of the stay 110 is located on the opposite side of the holders 111 and 138 with the back plate 71 sandwiched between them.
According to this configuration, since the insertion piece 120 is not visible to the user of the holders 111 and 138 (the seater of the connecting chair 10 in the rear row), the appearance of the option units 17A and 17B can be improved.

In the present embodiment, the backrest bracket 22 for supporting the option units 17A and 17B from below is provided.
According to this configuration, the downward movement of the option units 17A and 17B with respect to the chair unit 11 is restricted, and the option units 17A and 17B can be stably attached.

In the present embodiment, the backrest bracket 22 is connected to the leg frame 21.
According to this configuration, since the backrest bracket 22 is connected to the leg frame 21 which is the support structure of the chair unit 11, the option units 17A and 17B can be supported more stably.

In the present embodiment, the stay 110 is configured to pass between the back back plates 71 of the adjacent chair units 11 and project to the rear of the back back plate 71.
According to this configuration, the stays 110 are arranged between the back plates 71 of the adjacent chair units 11, so that the option units 17A and 17B can be easily positioned in the left-right direction with respect to the chair units 11.

In the present embodiment, the back pad 72 includes a cushion material 82 that presses the stay 110 (insertion piece 120) toward the back plate 71.
According to this configuration, when the cushion material 82 is inserted into the gap S1, the stay 110 can be inserted into the gap S1 while elastically deforming the cushion material 82. On the other hand, in the mounted state of the option units 17A and 17B, the stay 110 is pressed against the back plate 71 via the cushion material 82. As a result, it is possible to achieve stability in the mounted state while suppressing a decrease in installation efficiency.

In the present embodiment, by attaching the option units 17A and 17B to the backrest 16 of the chair unit 11, it is possible to improve the convenience of the chair unit 11 in the rear row to the seated person.

(Second Embodiment)
In the first embodiment described above, the configuration in which the beverage container is housed in the option units 17A and 17B has been described, but the configuration is not limited to this configuration. For example, as shown in FIG. 9, the option units 17A and 17B may be configured to hold a sub-option (option unit) 200 such as a tray.

The sub-option 200 includes a tray body 201 and legs 202.
The tray body 201 is formed in a flat plate shape. Articles such as lunch boxes and beverage containers can be placed on the upper surface of the tray body 201.

The legs 202 project downward from the left and right ends of the tray body 201. The cross-sectional view shape of the leg portion 202 orthogonal to the vertical direction is formed in a semicircular shape having an outer diameter equivalent to the inner diameter of the holder 111, for example. The distance in the left-right direction of each leg 202 is equal to the distance between adjacent holders (in this embodiment, the holder 111 of the first option unit 17A and the holder 138 of the second option unit 17B). The cross-sectional view shape of the leg portion 202 can be changed as appropriate. For example, the leg portion 202 may have a circular shape that matches the inner diameter of the holder 111.

The sub-option 200 is arranged so as to straddle between the option units 17A and 17B by inserting the leg portions 202 into the adjacent holders 111 and 138.

As described above, in the present embodiment, different option units (sub-option 200) can be attached by using the option units 17A and 17B. Thereby, convenience can be improved. In the present embodiment, the configuration in which the sub-option 200 is attached across the adjacent option units 17A and 17B has been described, but the configuration is not limited to this configuration. One sub-option may be attached to one option unit 17A and 17B.

(Third Embodiment)
FIG. 10 is a perspective view of the connecting chair 10 according to the third embodiment. The present embodiment is different from the above-described embodiment in that a rotary tray is attached as the option unit 301.
The option unit 301 shown in FIG. 10 includes a mounting bracket (support member) 310, a tray support piece (support member) 311 and a tray body (article support portion) 312.

The mounting bracket 310 is formed in a C shape that opens forward in a plan view. Specifically, the mounting bracket 310 includes left and right extending portions 321, a first bent piece 322, and a second bent piece 323.
The left-right extending portion 321 extends behind the back back plate 71 in the left-right direction.

The first bent piece 322 projects forward from both left and right ends of the left and right extending portions 321. The first bent piece 322 has entered the second gap S2 (see FIG. 6) between the back plates 71 of the adjacent chair units 11.
The second bent piece 323 is formed by bending inward in the left-right direction from the front end edge of the first bent piece 322. The second bent piece 323 has entered the first gap S1 (see FIG. 6) between the back back plate 71 and the back pad 72 in the same chair unit 11. That is, the mounting bracket 310 of the present embodiment is mounted on the chair unit 11 so as to sandwich the back plate 71 of the same chair unit 11 in the front-rear direction.

The tray support piece 311 projects rearward from both left and right ends of the mounting bracket 310.
The tray main body 312 is configured to be rotatable around an axis along the left-right direction while being bridged between the tray support pieces 311. The tray body 312 is formed in a flat plate shape. The tray body 312 has a mounting surface 312a on which articles such as lunch boxes and beverage containers can be placed. The tray body 312 rotates between a used state in which the mounting surface 312a faces upward and a flip-up state in which the mounting surface 312a faces forward. A rotating mechanism is provided between the tray support piece 311 and the tray body 312 to perform positioning in a used state or a flip-up state.

The option unit 301 of this embodiment is assembled as follows. That is, the second bent piece 323 is allowed to enter the first gap S1 in the same chair unit 11, and the first bent piece 322 is inserted into the second gap S2 between the back plates 71 of the adjacent chair units 11. The mounting bracket 310 is inserted from above the chair unit 11 so as to enter. After that, the option unit 301 is pushed downward until the mounting bracket 310 approaches or abuts on the backrest bracket 22 from above.

As a result, of the mounting bracket 310, the second bent piece 323 is sandwiched between the back plate 71 and the back pad 72 of the chair unit 11 in the front-rear direction, and the first bent piece 322 is adjacent to the chair unit 11. The option unit 301 is attached while being sandwiched between the back plates 71 in the left-right direction.

(Other variants)
Although the preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments. It is possible to add, omit, replace, and make other changes to the configuration without departing from the spirit of the present invention. The present invention is not limited by the above description, but only by the appended claims.
For example, as in the stay 110 shown in FIG. 11, the holding piece 350 may be provided in a portion of the protruding piece 121 located behind the back plate 71. The sandwiching piece 350 faces the insertion piece 120 in the front-rear direction with the back plate 71 sandwiched between them.
According to this configuration, the option unit 17A can be mounted more stably by sandwiching the back plate 71 between the insertion piece 120 and the holding piece 350.

In the above-described embodiment, the configuration in which the insertion piece 120 is sandwiched between the back back plate 71 and the back pad 72 has been described, but the configuration may not include the insertion piece 120. For example, as in the stay 110 shown in FIG. 12, the protruding piece (first portion) 121 is sandwiched between the back back plates (standing members, facing members) 71 of the adjacent chair units 11 in the second gap S2. It may be configured to be engaged with.
Further, as shown in FIG. 13, the insertion piece 360 may be configured to branch from the front end portion of the protruding piece 121 to the left and right sides. That is, the left and right ends of the insertion piece 360 may be sandwiched between the back plate 71 and the back pad 72 of the adjacent chair units 11 in the front-rear direction.

In the above-described embodiment, the configuration in which the insertion piece 120 is sandwiched between the back back plate 71 and the back pad 72 has been described, but the configuration is not limited to this configuration. The option unit may be configured to extend in the vertical direction and to be sandwiched and engaged between the standing members and the facing members facing each other.
In the above-described embodiment, the configuration in which the backrest bracket 22 is connected to the leg frame 21 as the lower regulation portion has been described, but the configuration is not limited to this configuration. In addition to the backrest bracket 22, a lower regulation portion may be provided on the back back plate 71 or the like. However, the lower regulation department is not an essential structure.
In the above-described embodiment, the configuration in which the upright member includes the leg body 14 and the back plate 71 has been described, but the configuration is not limited to this configuration. The back plate 71 may be directly supported by the floor surface F by abutting the lower end edge of the back plate 71 with the floor surface F.

In the above-described embodiment, the cup holder and the tray have been described as an example of the optional unit, but the present invention is not limited to this configuration. For example, a lighting device or the like may be adopted as an optional unit.
In the above-described embodiment, the fixtures according to the present invention have been described by taking the connecting chair 10 (chair unit 11) as an example, but the present invention is not limited to this configuration. For example, the configuration according to the present invention may be adopted for partitions, cabinets, desks, and the like.

In addition, it is possible to replace the constituent elements in the above-described embodiments with well-known constituent elements as appropriate without departing from the spirit of the present invention, and each of the above-described modifications may be appropriately combined.

10 ... Connecting chairs (furniture)
14 ... Legs (standing members)
14A ... Intermediate leg (standing member)
14B ... End leg (standing member)
17A ... 1st option unit (option unit)
17B ... 2nd option unit (option unit)
21 ... Leg frame (support structure)
22 ... Backrest bracket (downward regulation part)
71 ... Back plate (standing member, facing member, adjacent member)
72 ... Back pad (opposing member)
81 ... Backrest frame (core material)
82 ... Cushion material (pressing member)
110 ... Stay (support member)
111 ... Holder (article support part)
120 ... Insert piece (first part)
121 ... Projection piece (second part)
122 ... Holder connecting piece (second part)
137 ... Branch stay (support member)
138 ... Holder (article support part)
200 ... Sub-option (option unit)
301 ... Optional unit 310 ... Mounting bracket (support member)
311 ... Tray support piece (support member)
312 ... Tray body (support member)

Claims (8)

An upright member that extends in the vertical direction and
An opposing member that is arranged to face the upright member in a first direction that intersects in the vertical direction and forms a first gap that opens upward between the upright member and the upright member.
A fixture including an optional unit that is inserted into the first gap from above and is engaged in a state of being sandwiched between the upright member and the opposing member. The optional unit is
A support member having a first portion sandwiched between the upright member and the opposing member,
The fixture according to claim 1, further comprising an article support portion provided at a second portion of the support member and supporting the article. The first portion extends along a second direction intersecting the first direction in a plan view seen from the vertical direction.
The second portion is bent in the first direction with respect to the first portion and is arranged on the side of the upright member.
The fixture according to claim 2, wherein the article support portion is located on the side opposite to the first portion with the upright member sandwiched between them. In the second direction intersecting the first direction in a plan view from the vertical direction, the standing member is arranged adjacent to the standing member and a second gap opening upward is formed between the standing member and the standing member. Equipped with adjacent members
The fixture according to claim 2 or 3, wherein the second portion is sandwiched between the upright member and the adjacent member in the second gap. The fixture according to any one of claims 1 to 4, wherein the erecting member includes a downward regulating portion that supports the option unit from below. The fixture according to claim 5, wherein the lower regulation portion is connected to a support structure that stands up from the floor surface. The opposing member
The core material supported by the upright member and
The fixture according to any one of claims 1 to 6, further comprising a pressing member that covers the core material and elastically presses the option unit toward the facing member. The facing member has a back pad that supports the back of the seated person.
The fixture according to any one of claims 1 to 7, wherein the upright member includes a back plate that supports the back pad from behind.

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