JP6775310B2 - Fixtures and fixture systems - Google Patents

Description

The present invention relates to fixtures and fixture systems.

Conventionally, for example, in a stacking state in which the layers are stacked in a horizontally nested manner, as a fixture provided with positioning means for positioning with other fixtures adjacent in the polymerization direction, for example, those disclosed in Patent Documents 1 to 3 below.
The chairs disclosed in Patent Documents 1 and 2 can be polymerized in the front-rear direction by appropriately devising the shape of the legs. Each of the polymerized chairs is provided with a positioning means for determining a relative position in the front-rear direction.
By the way, as described above, a large number of chairs having the same specifications that can be accommodated in a polymerized state may be arranged side by side in a space having a predetermined size. In that case, as disclosed in Patent Document 3. , May be housed in the backyard while being loaded on a loading fixture independent of the chair.

Japanese Unexamined Patent Publication No. 2006-314499 Japanese Patent No. 5432218 Japanese Unexamined Patent Publication No. 2000-189268

In the configuration disclosed in Patent Document 3, since the chair is polymerized in the front-rear direction in a forward leaning posture, it is easy to occupy a wide area in the horizontal direction in the backyard, and there is room for improvement in accommodation efficiency.
In order to improve the storage efficiency, it is conceivable to load the chair in the vertical direction on the loading fixture with the chair rotated 90 degrees in an upward state.
However, when this configuration is to be implemented, for example, with the configuration of Patent Document 1, since the positioning means in the front-rear direction is not engaged in the up-down direction, it is positioned upward in the vertically-loaded state rotated by 90 degrees. It becomes difficult to position the chair, and the loading condition may be disturbed. Further, in the case of Patent Document 2, although the disturbance of the loading state can be suppressed, since the cushions of the seat and the backrest receive the load in the vertical direction, there is a possibility that marks are left on these cushions and the appearance is spoiled.

The present invention has been made in view of the above technical problems, and in a fixture and a fixture system capable of being in a stacking state in which a plurality of units are stacked, a stacking operation is performed by suppressing relative movement between fixtures in the stacking state. The purpose is to improve sex.

As a means for solving the above-mentioned problems, the present invention has a leg portion having a ground contact surface formed on the fixture installation surface, and the leg portion is arranged along the front-rear direction in an installed state where the leg portion is arranged on the fixture installation surface. As described above, it is a fixture that can be stacked in a stacking state by stacking a plurality of units, and until at least a part of the legs overlaps in the intersecting direction between the legs of other fixtures that overlap in the stacking state and the ground contact surface. When the leg portion of the other fixture is accommodated in the leg accommodating portion, the leg accommodating portion capable of accommodating the leg portion of the other fixture is provided, and the leg portion of the other fixture is accommodated on the outer surface of the leg portion opposite to the ground contact surface. Alternatively, when the leg is housed in the leg accommodating portion of the other fixture, a stopper protrusion is provided so that the leg of the other fixture can be abutted in the front-rear direction in the installed state, and the stopper protrusion is provided. Provided is a fixture provided with an outer surface engaging portion that can be engaged with the outer surface of the leg portion of the other fixture that is abutted against the portion.
According to this configuration, when a plurality of fixtures are in the stacking state, the stopper protrusions are used to position the plurality of fixtures in the overlapping direction, and when the plurality of fixtures are in the vertical stacking state, the stopper protrusions load in the vertical direction. Can receive. Further, since the outer surface engaging portion of the stopper protrusion engages with the outer surface of the leg portion of the other fixture that has hit, the legs that overlap in the crossing direction with the ground contact surface are separated from each other, especially in the upper and lower stacking states. It is possible to prevent the stacking state from being disturbed.
Further, in the upper and lower stacking states, the load of the upper fixtures is received by the legs of the fixtures that are located below and overlap each other, so that the distance between the fixtures can be surely secured. Therefore, even if the fixture is provided with a cushion, it is possible to prevent an excessive load from being input to the cushion and disturbing the shape. Further, since it is possible to prevent the stacking state from being disturbed, it is possible to facilitate the transportation work by a transportation means such as a trolley.

In the present invention, the stopper protrusion may be provided with a side engagement portion that can be engaged with the side surface in the furniture width direction of the leg portion of the other fixture that is abutted.
In this case, it is possible to prevent the legs of the fixtures that overlap in the stacking state from moving relative to each other in the fixture width direction and disturbing the stacking state.

In the present invention, the stopper protrusion may be formed by a separate mounting member fixed to the leg.
In this case, the legs and stopper protrusions can be easily formed, and the legs and stopper protrusions can be formed of different materials suitable for their respective functions.

In the present invention, in the installed state, the movement of the legs with respect to the fixture installation surface can be regulated by the connecting tool, and the stopper protrusion is engaged with the end portion of the connecting tool in the front-rear direction in the installed state. The configuration may be integrally formed with the matching positioning protrusions.
In this case, positioning of the connector in the front-rear direction intersecting the fixture width direction is facilitated, and the positioning protrusion for the connector provided on the outer surface of the leg and the stopper protrusion for stacking are integrated and rationalized. Can be planned.

In the present invention, a second positioning protrusion is provided on the outer surface of the leg so as to sandwich the connecting tool with the positioning protrusion in the front-rear direction in the installed state, and the second positioning protrusion is provided. In the front-rear direction in the installation state, an inclined surface is formed at an end portion opposite to the positioning protrusion so that the height of protrusion of the leg portion from the outer surface gradually decreases as the leg portion is located on the opposite side. May be.
In this case, the positioning of the connector in the front-rear direction intersecting the furniture width direction is further facilitated, and the legs of the other fixtures are set toward the stopper protrusion integrally formed with the positioning protrusion during the stacking operation. (Ii) When approaching from the positioning protrusion side, the second positioning protrusion can be easily overcome, and the stacking work of furniture can be facilitated.

The present invention also provides a fixture system including a plurality of fixtures according to any one of claims 1 to 5 and a storage portion for accommodating the plurality of fixtures in a stacking state.
According to this configuration, when a plurality of fixtures are in the stacking state, the stopper protrusions are used to position the plurality of fixtures in the overlapping direction, and when the plurality of fixtures are in the vertical stacking state, the stopper protrusions load in the vertical direction. Can receive. Further, since the outer surface engaging portion of the stopper protrusion engages with the outer surface on the opposite side to the ground contact surface of the legs of other fixtures with which the stopper protrusions abut, the legs that overlap in the crossing direction with the ground contact surface, especially in the upper and lower stacking states. Can be prevented from disturbing the stacking state by being separated from each other. Therefore, the fixtures can be accommodated and moved in a stable stacking state, and the convenience can be improved.

According to the present invention, in a fixture and a fixture system in which a plurality of units can be stacked in a stacking state, relative movement between the fixtures in the stacking state can be suppressed to improve stacking workability.

It is a perspective view of the front side of the chair in embodiment of this invention. It is a perspective view of the rear surface side of the chair. It is a top view of the above chair. It is a front view of the above chair. It is a side view of the above chair. It is a top view of the state in which a plurality of the chairs are connected. It is a front view of the state in which a plurality of the above chairs are connected. It is a side view of the stacking state of the said chair. FIG. 8 is an enlarged view of IX of FIG. It is an X enlarged view of FIG. It is a perspective view around the connector which connects a plurality of legs of the chair. It is a perspective view around the mounting member fixed to the leg of the chair. It is a perspective view of the connector body of the connector. It is a perspective view around the mounting member in the stacking state. It is a perspective view around the connector in the modified example of this embodiment. It is a perspective view of the connector body in the said modification. It is a perspective view around the mounting member in another modification of the said embodiment. FIG. 17 is a cross-sectional view taken along the line XVIII-XVIII of FIG. It is a cross-sectional view of XIX-XIX of FIG. It is explanatory drawing which shows the relationship between the connecting rod of the chair, and the stopper protrusion part in a plan view.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, the orientations such as front-back, up-down, left-right, etc. are such that the front side of the seated person seated in the normal posture on the chair 1 installed on the floor surface (furniture installation surface) F is "front", and vice versa. The side is "rear", and the top, bottom, left, and right are the same as the direction seen from the seated person. Further, in the figure, the arrow UP indicates upward, the arrow FR indicates forward, and the arrow LH indicates left.

As shown in FIGS. 1 to 5 and 8, the chair 1 of the present embodiment includes a leg body 2, a seat 3, a rotating mechanism 4, a backrest 5, an armrest 6, and a lateral connecting mechanism 7. It has.
The chair 1 of the present embodiment has a plurality of nested chairs in the front-rear direction so as to follow the front-rear direction in the installed state installed on the floor surface F in a state where the seat 3 is flipped up (shown by a chain line in FIG. 5). It is possible to stack them on top of each other.

Further, the chair 1 is in a stacking state in which a plurality of seats 3 are vertically stacked on a dedicated trolley 100 in an upward posture in which the seat 3 is flipped up and the front-rear direction is upright in the installed state. It is configured as a portable chair that can be used.
In addition, the chair 1 can be accommodated in a stacking state in the front-rear or up-down manner even with respect to an accommodation tool or an accommodation place fixedly installed in a predetermined accommodation place. The fixture system 1S according to the present embodiment is composed of the carriage 100, the accommodating portion including the accommodating tool, the accommodating place, and the plurality of chairs 1.

The leg body 2 includes a front leg 2a, a rear leg 2b, and a connecting rod (leg portion) 2c, and is provided in pairs on the left and right.
The front leg 2a is formed of, for example, a round steel pipe that is tilted backward so that the upper end 2a1 is located rearward with respect to the lower end 2a2, and has a length approximately twice that of the rear leg 2b and extends linearly. ..
The rear leg 2b is tilted forward so that the upper end 2b1 is located forward with respect to the lower end 2b2, and is formed of, for example, a round steel pipe having a diameter smaller than that of the front leg 2a. The upper end 2b1 of the rear leg 2b is welded to the substantially central portion of the front leg 2a in the longitudinal direction from the rear.

The lower end 2b2 of the rear leg 2b is arranged inward in the width direction with respect to the upper end 2b1, and is inclined so as to be located inward in the width direction toward the lower side in the front-rear direction. On the other hand, the front legs 2a extend vertically in parallel with each other in the front-rear direction. That is, the lower end 2b2 side (lower half) of the rear leg 2b is arranged so as to be inclined inward in the width direction with respect to the front leg 2a. As a result, in the chairs 1 arranged in the front-rear direction on the floor surface F, the pair of rear legs 2b of the front chair 1 can be allowed to enter between the pair of front legs 2a of the rear chair 1 from the front. It is possible to stack the chairs 1 in a nested manner. At this time, the ground contact surface 2c4 of the connecting rod 2c of the chair 1 located at the rear overlaps the upper surface of the connecting rod 2c forming the grounding surface 2c4 of the chair 1 on the opposite side of the grounding surface 2c4 from above.

A leg accommodating portion 8 capable of accommodating the rear leg 2b side of the left and right leg 2 of another chair 1 located in the front from the front is configured between the front leg 2a side of the left and right leg 2 below the seat 3. There is. The left and right legs 2 of the other chair 1 housed in the leg accommodating portion 8 from the front form the leg accommodating portion 8 on the outer surface (upper surface) 2c5 side opposite to the ground contact surface 2c4 of the respective connecting rods 2c. The left and right legs 2 of the chair 1 are overlapped on the ground contact surface 2c4 side (lower side) of the connecting rod 2c in the direction perpendicular to the surface. At this time, the stopper protrusion 12 on the connecting rod 2c of the other chair 1 abuts from the front end 2c3 of the connecting rod 2c of the chair 1 accommodating the left and right legs 2 of the other chair 1.

The connecting rod 2c is, for example, a front leg connecting portion 2c1 formed of a steel plate parallel to the floor surface F and extending linearly in the front-rear direction, and a rear leg connecting portion 2c1 extending from the front leg connecting portion 2c1 to the lower end 2b2 of the rear leg 2b. It has 2c2 and 2c2 integrally.

The front leg connecting portion 2c1 is arranged on the outermost side of the chair 1 in the left-right direction in the plan view, similarly to the armrest 6. When a plurality of chairs 1 are arranged adjacent to each other in the left-right direction, the front leg connecting portion 2c1 can come into contact with the front leg connecting portions 2c1 of the adjacent chairs 1 without a gap.
The rear leg connecting portion 2c2 extends from the rear end of the front leg connecting portion 2c1 to the lower end 2b2 of the rear leg 2b in a straight line inclined so as to be located inward in the width direction toward the rear side. The hind leg connecting portion 2c2 is set to have a shorter extension length than the front leg connecting portion 2c1.

The lower end 2a2 of the front leg 2a is welded to the upper surface of the front portion of the front leg connecting portion 2c1, and the lower end 2b2 of the rear leg 2b is welded to the upper surface of the rear portion of the rear leg connecting portion 2c2. On the upper surface of the front leg connecting portion 2c1, a mounting member 10 described later is fixed behind the lower end of the rear leg 2b and in front of the lower end of the front leg 2a.

In the leg body 2, the lower surface (grounding surface 2c4) of the connecting rod 2c is brought into contact (grounding) with the floor surface F via a pad member PT such as a non-woven fabric. At this time, the seat 3, the rotating mechanism 4, the backrest 5, the armrest 6, and the lateral connecting mechanism 7 are directly or indirectly supported by the left and right leg bodies 2. Further, the leg body 2 supports the weight of the seated person when there is a seated person. The pad member PT may be omitted.

The seat 3 is rotatably supported with respect to the leg body 2 via the rotation mechanism 4. The upper surface of the seat 3 is a seating surface 3a, and the vicinity of the rear end portion of the seat 3 is pivotally supported by the leg body 2 via a rotation shaft 3b along the left-right direction. The seat 3 has a sitting posture in which the seating surface 3a faces upward (a posture shown by a solid line in FIG. 5) and a storage posture in which the seating surface 3a faces the backrest 5 side (a posture shown by a chain line in FIG. 5). It is said that it can rotate between.

The backrest 5 is fixed to the upper end 2a1 side of the front leg 2a of the leg body 2 and is supported by the leg body 2 above the seat 3. The backrest 5 supports the back of the seated person from behind when there is a seated person.

The elbow rest 6 includes an elbow rest main body 6a and a support portion 6b, and is provided in pairs on the left and right.
The elbow rest body 6a extends forward from the upper end 2a1 of the forearm 2a of the leg body 2, and the upper surface of the elbow rest body 6a is an elbow resting surface on which the forearm of the seated person is placed.
The support portion 6b is provided below the rear portion of the elbow rest body 6a along the lower surface of the elbow rest body 6a, and the rear end portion is fixed to the front leg 2a of the leg body 2. Like the elbow rest body 6a, the support portion 6b also extends forward from the front leg 2a.

The elbow rest 6 extends forward from the front leg 2a as a whole, and is arranged above the rotation mechanism 4. The front end surface of the support portion 6b is a first contact surface 6b1 that abuts on the rear end surface (second contact surface 6a1) of the armrest main body 6a of the front chair 1 when a plurality of chairs 1 are nested. Has been done. As a result, when a plurality of chairs 1 are stacked in a nested manner, the distance between the front and rear chairs 1 is defined by the armrest 6. Further, the front end portion 2c3 of the connecting rod 2c of the chair 1 abuts from the rear on the stopper protrusion 12 of the mounting member 10 on the connecting rod 2c of the chair 1 located in the front, whereby the distance between the front and rear chairs 1 Is stipulated. Therefore, a plurality of chairs 1 can be superposed at equal intervals in the front-rear direction.

The horizontal connecting mechanism 7 is attached to each of the outer surfaces of the rotating mechanisms 4 provided on the left and right sides of the chair 1. The horizontal connection mechanism 7 is a mechanism for connecting adjacent chairs 1 when a plurality of chairs 1 are arranged in the horizontal direction.

With reference to FIGS. 6 and 7, for example, in a theater, an empty space in a hall, a gymnasium, or the like, a plurality of chairs 1 of the present embodiment are arranged in the left-right direction (furniture width direction) to provide a temporary seating space. Can be expanded to. At this time, the chairs 1 adjacent to each other on the left and right connect the horizontal connecting mechanisms 7 to each other, connect the connecting rods 2c to each other by the connecting tool 21 described later, and fix the connecting rod 2c to the floor surface F by the connecting tool 21. By doing so, a plurality of chairs 1 can be fixedly installed at the installation location on the floor surface F. At this time, the combination fixture 1A in the present embodiment is configured by the plurality of chairs 1.

The front leg connecting portion 2c1 of the connecting rod 2c is located on the outermost side of the chair 1 and extends in the front-rear direction. As described above, when a plurality of chairs 1 are arranged adjacent to each other in the left-right direction, they are adjacent to each other. It can come into contact with the front leg connecting portion 2c1 of the matching chair 1. Therefore, when a plurality of chairs 1 are arranged side by side, there is no space on the floor surface F between the connecting rods 2c of the adjacent chairs 1. When the interval is generated, dust and the like are likely to accumulate, but in the chair 1 of the present embodiment, the floor surface F to be installed can be easily cleaned. Further, since the front leg connecting portion 2c1 is linear along the front-rear direction, the front leg connecting portion 2c1 serves as a guide when installing the adjacent chairs 1 in the work of arranging a plurality of chairs 1 side by side in the width direction.

FIG. 8 shows a state in which a plurality of chairs 1 of the present embodiment are stacked in a nested manner in the vertical direction and placed on a dedicated trolley 100.
As shown in FIGS. 8, 9, and 14, when a plurality of chairs 1 are stacked up and down, they are stacked on the first contact surface 6b1 of the armrest 6 of the chair 1 located below in the stacking state. The second contact surface 6a1 of the armrest 6 of the chair 1 located above in the state abuts from above. Further, the mounting member 10 fixed to the front end portion 2c3 of the connecting rod 2c of the leg body 2 of the chair 1 located below in the stacking state and on the connecting rod 2c of the leg body 2 of the chair 1 located above in the stacking state. The stopper protrusion 12 of the above comes into contact with the stopper from above. Arrows F-R in the figure indicate the front-rear direction of the chair 1 when it is installed on the floor surface F.

As a result, when a plurality of chairs 1 are stacked vertically, the distance between the vertically overlapping chairs 1 is defined. The armrests 6 and the connecting rods 2c that come into contact with each other are high-strength members that support the body of the seated person, respectively, and can firmly receive the load when a plurality of chairs 1 are stacked.

It should be noted that even when a plurality of chairs 1 are stacked on the floor surface F in a stacked manner in a front-rear manner while maintaining the posture when the plurality of chairs 1 are installed on the floor surface F, the first chair 1 located at the rear is the first. The second contact surface 6a1 of the chair 1 located in the front abuts on the abutting surface 6b1 from the front, and the chair 1 located in the front of the connecting rod 2c of the chair 1 located in the rear touches the front end 2c3 of the connecting rod 2c. When the stopper protrusion 12 on the connecting rod 2c abuts from the front, the chairs 1 that are nested in the front-rear direction are relatively positioned.

As shown in FIGS. 8 and 10, in the upper and lower stacking states, the chair 1 located below in the stacking state is connected to the upper surface of the connecting rod 2c forming the contact patch 2c4 of the chair 1 on the opposite side to the contact patch 2c4. The ground planes 2c4 of the rod 2c overlap. The mounting member 10 is fixed to the upper surface of the connecting rod 2c by an appropriate fixing means such as a bolt and a nut.

With reference to FIGS. 11 and 12, the mounting member 10 is separate from the connecting rod 2c, and is formed of a synthetic resin material such as polyacetal with respect to the steel connecting rod 2c. The mounting member 10 is integrally formed with the base plate portion 11 along the upper surface of the connecting rod 2c, the stopper protrusion 12 formed so as to project upward from the front end portion of the base plate portion 11, and the rear portion of the stopper protrusion 12. The positioning protrusion 13 to be formed and the second positioning protrusion 14 formed so as to project upward from the rear end of the base plate 11 below the stopper protrusion 12 are integrally formed.

The stopper protrusion 12 can abut the upward front end portion 2c3 of the connecting rod 2c of the chair 1 located below in the vertically stacked state from below.
The positioning protrusion 13 integrally formed at the rear portion of the stopper protrusion 12 can be positioned by abutting the connector 21 described later from the rear in the installed state of the chair 1, and the second positioning protrusion 14 is the chair. In the installed state of 1, the connecting tool 21 can be brought into contact with the front and positioned. That is, the mounting member 10 is integrally formed with a positioning protrusion 13 and a second positioning protrusion 14 that position the connecting tool 21 so as to sandwich it in the front-rear direction (direction intersecting the fixture width direction) when the chair 1 is installed. Has been done. In the figure, reference numeral 13a indicates a positioning end for abutting the connector 21 on the positioning protrusion 13 from the rear, and reference numeral 14a indicates a second positioning end for abutting the connector 21 on the second positioning protrusion 14 from the front.

With reference to FIGS. 11 to 13, a connecting tool 21 fixed to the floor surface F is attached to the connecting rod 2c in a state where the connecting rods 2c of chairs 1 adjacent to each other in the furniture width direction are connected on the floor surface F. It is possible.
The connector 21 integrally forms a width-direction extending portion 21a extending in the furniture width direction and a hanging portion 21b hanging from an end portion of the width-direction extending portion 21a in the furniture width direction. The extension portion 21a in the width direction is provided so as to sandwich the leg portion group 2cG composed of the adjacent connecting rods 2c with the floor surface F. The hanging portion 21b is provided so as to engage with the side edge portion of the leg group 2cG on one side in the furniture width direction. The connector 21 is detachably fixed to the floor surface F by a fixing means including a nut hole 26 drilled in the floor surface F and a bolt 22 screwed into the nut hole 26.

The bolt 22 includes, for example, a dial for manual rotation operation. With the bolt 22, the connecting tool 21 which is separate from the connecting rod 2c and the floor surface F can be detachably attached to the connecting rod 2c and the floor surface F.

A bolt insertion hole 21c through which a bolt 22 can be inserted is formed in the extending portion 21a in the width direction of the connecting tool 21, and these connecting rods 21 are connected to each other in a state where the connecting rods 21 are connected to each other. 2c can be fixed to the floor surface F by the bolt 22 and the nut hole 26. The bolt insertion hole 21c is formed closer to the side where the hanging portion 21b is not formed than the center of the extension portion 21a in the width direction in the furniture width direction, and the connecting pipe 2c on the side where there is no displacement regulating means in the width direction. Displacement, lifting, etc. of the bolt 22 and the nut hole 26 are surely regulated. The connecting tool 21 is placed from above between the positioning protrusion 13 and the second positioning protrusion 14 of the mounting member 10 fixed to the connecting rod 2c, and is mounted in a state of being positioned in the front-rear direction.

In the present embodiment, a bolt insertion hole 2c6 through which the bolt 22 can be inserted is formed in one of the connecting rods 2c adjacent to each other in the fixture width direction. The bolt 22 for fixing the connecting tool 21 can directly fix one connecting rod 2c on which the bolt insertion hole 2c6 is formed to the floor surface F by co-fastening with the connecting tool 21. A bolt insertion hole 11a corresponding to the bolt insertion hole 2c6 is formed in the base plate portion 11 of the mounting member 10.

With reference to FIG. 14, the stopper protrusion 12 is located downward in the stacking state so as to allow the upward front end portion 2c3 of the connecting rod 2c of the chair 1 located below in the vertical stacking state to enter from below. It is formed in a concave shape that opens to the outside.
The front end portion 2c3 of the connecting rod 2c is formed in a semicircular shape in a plan view, and the stopper protrusion 12 abuts a concave arc surface so as to match the shape of the front end portion 2c3 of the connecting rod 2c. It is set to 12a.

On the protruding end side of the stopper protrusion 12, the outer surface (upper surface) 2c5 of the front end 2c3 facing upward in the connecting rod 2c of the chair 1 located downward in the stacking state is projected on the abutting surface 12a in an eaves shape. An outer surface engaging portion 12b that abuts and engages is formed.
The left and right sides of the stopper protrusion 12 are provided so as to extend the left and right sides of the abutting surface 12a, and are provided on the left and right side surfaces of the front end portion 2c3 facing upward in the connecting rod 2c of the chair 1 located below in the stacking state. A side engaging portion 12c that abuts and engages is formed. In the present embodiment, the left and right side portions of the abutting surface 12a are side surface engaging portions.

When a plurality of chairs 1 are stacked one above the other, the connecting rod 2c does not have a grounding reaction force from the floor surface F, so that the stopper protrusion on the connecting rod 2c of the chair 1 located above in the stacking state The 12 may be displaced toward the ground contact surface 2c4 with respect to the front end 2c3 of the connecting rod 2c of the chair 1 located below, and may also be displaced to the left and right sides. If the stopper member on the connecting rod 2c of the chair 1 located above in the stacking state falls off from the front end 2c3 of the connecting rod 2c of the chair 1 located below, the stacking state is disturbed.

In the present embodiment, the stopper member on the connecting rod 2c of the chair 1 located above in the stacking state is connected to the chair 1 located below by the outer surface engaging portion 12b and the side engaging portion 12c of the stopper protrusion 12. Displacement of the front end 2c3 of the rod 2c to the ground surface 2c4 side and the left and right side is restricted, and a stable stacking state is possible.

The second positioning protrusion 14 is formed with an inclined surface 14b that gradually reduces the protruding height of the connecting rod 2c from the outer surface 2c5 toward the lower position in the stacking state. As a result, during the stacking work of the chair 1, the front end portion 2c3 of the connecting rod 2c of the chair 1 located below easily rides on the second positioning protrusion 14, and the front end portion 2c3 becomes the second positioning protrusion 14. It prevents it from hitting from below and hindering stacking work.

Here, in the above embodiment, the leg accommodating portion 8 of the chair 1 accommodates the left and right leg bodies 2 of the other chair 1 located in the front from the front, and at that time, as shown in FIG. 20 (a), The connecting rods 2c are housed so as to be stacked downward in sequence. At this time, the front end portion 2c3 of the connecting rod 2c on the accommodating side abuts from the rear to the stopper protrusion 12 on the connecting rod 2c on the accommodating side.
On the other hand, as shown in FIG. 20B, the connecting rods 2c of the other chair 1 may be accommodated so as to be sequentially overlapped upward. At this time, the rear portion of the connecting rod 2c on the accommodating side abuts from the front on the stopper protrusion 12 on the connecting rod 2c on the accommodating side.
The configuration of FIG. 20 can be used even if the front-rear direction is switched or the overlapping direction is the vertical direction.

As described above, in the chair 1 in the above embodiment, at least a part of the connecting rod 2c on which the grounding surface 2c4 grounded on the floor surface F is formed is in contact with the connecting rod 2c of another chair 1 that overlaps in the stacking state. A leg accommodating portion 8 capable of accommodating the connecting rod 2c of the other chair 1 is provided until it overlaps with the ground 2c4 in the crossing direction, and the other chair is provided on the outer surface 2c5 on the opposite side of the connecting rod 2c from the ground surface 2c4. When the connecting rod 2c of 1 is accommodated in the leg accommodating portion 8, or when the connecting rod 2c is accommodated in the leg accommodating portion 8 of the other chair 1, the connecting rod 2c of the other chair 1 is in the installed state. A stopper protrusion 12 that can be abutted in the front-rear direction is provided, and the stopper protrusion 12 has an outer surface engaging portion 12b that can be engaged with the outer surface 2c5 of the connecting rod 2c of the other chair 1 that is abutted. It is provided.

According to this configuration, when the plurality of chairs 1 are in the stacking state, the stopper protrusions 12 position the plurality of chairs 1 in the overlapping direction, and when the plurality of chairs 1 are in the vertical stacking state, the stopper protrusions 12 are used. Can receive loads in the vertical direction. Further, since the outer surface engaging portion 12b of the stopper protruding portion 12 engages with the outer surface 2c5 of the connecting rod 2c of the other chair 1 that abuts against the stopper protrusion 12, the connection that overlaps with the ground contact surface 2c4, especially in the upper and lower stacking states. It is possible to prevent the rods 2c from being separated from each other and disturbing the stacking state.
Further, in the upper and lower stacking states, the load of the upper chairs 1 is received by the connecting rods 2c of the chairs 1 located below and overlapped with each other, so that the distance between the chairs 1 can be surely secured. Therefore, even if the backrest 5 and the seat 3 of the chair 1 are provided with cushions, it is possible to prevent an excessive load from being input to the cushions and disturbing the shape. Further, since it is possible to prevent the stacking state from being disturbed, it is possible to facilitate the transportation work by a transportation means such as a trolley.

In the chair 1 of the above embodiment, the stopper protrusion 12 is provided with a side engagement portion 12c that can be engaged with the side surface in the fixture width direction of the connecting rod 2c of the other chair 1 that is abutted.
According to this configuration, it is possible to prevent the connecting rods 2c of the chairs 1 that overlap in the stacking state from moving relative to each other in the fixture width direction and disturbing the stacking state.

In the chair 1 in the above embodiment, the stopper protrusion 12 is formed by a separate mounting member 10 fixed to the connecting rod 2c.
According to this configuration, the connecting rod 2c and the stopper protrusion 12 can be easily formed, and the connecting rod 2c and the stopper protrusion 12 can be formed of different materials suitable for their respective functions.

In the chair 1 in the above embodiment, the movement of the connecting rod 2c with respect to the floor surface F can be regulated by the connecting tool 21 in the installed state, and the stopper protrusion 12 is in the front-rear direction in the installed state of the connecting tool 21. It is integrally formed with the positioning protrusion 13 that engages with the end portion.
According to this configuration, positioning of the connecting tool 21 in the front-rear direction intersecting the fixture width direction is facilitated, and a positioning protrusion 13 for the connecting tool 21 and a stopper for stacking provided on the outer surface 2c5 of the connecting rod 2c are provided. The protrusion 12 and the protrusion 12 can be integrated for rationalization.

In the chair 1 of the above embodiment, the outer surface 2c5 of the connecting rod 2c is provided with a second positioning protrusion 14 so as to sandwich the connecting tool 21 with the positioning protrusion 13 in the front-rear direction in the installed state. At the end of the second positioning protrusion 14 on the opposite side of the positioning protrusion 13 in the front-rear direction in the installed state, the height of the connecting rod 2c protruding from the outer surface 2c5 is gradually reduced as it is located on the opposite side. The surface 14b is formed.
According to this configuration, the positioning of the connector 21 in the front-rear direction intersecting the fixture width direction is further facilitated, and the stopper protrusion 12 integrally formed with the positioning protrusion 13 during the stacking operation is directed toward the other stopper protrusion 12. When the connecting rod 2c of the chair 1 approaches from the side of the second positioning protrusion 14, the second positioning protrusion 14 can be easily overcome, and the stacking work of the chair 1 can be facilitated. ..

On the other hand, in the fixture connecting structure in the above embodiment, the connecting rods 2c arranged so as to sandwich the connecting rods 2c of the plurality of chairs 1 arranged in the fixture width direction with the floor surface F on which the connecting rods 2c touch the ground. 21 and fixing means (bolts 22 and nut holes 26) for detachably fixing the connector 21 to the floor surface F are provided.

According to this configuration, the connecting rods 2c of each of the plurality of chairs 1 arranged in the furniture width direction are sandwiched between the connecting tool 21 and the floor surface F, and the connecting tool 21 is fixed to the floor surface F by fixing means. Therefore, a plurality of chairs 1 can be easily connected and installed in the furniture width direction. Since the connecting tool 21 is detachably fixed to the floor surface F by the fixing means, it can be detached from each connecting rod 2c if the fixing means is released, and the size is sufficient without damaging the design of the chair 1. A plurality of chairs 1 can be installed in a connected state by the connecting tool 21 of the above.

In the fixture connection structure according to the above embodiment, the fixture 21 has a width-direction extension portion 21a and a width-direction extension portion 21a provided so as to extend in the furniture width direction and sandwich the connecting rod 2c with the floor surface F. It is provided with a hanging portion 21b that hangs down from 21a and engages with a side edge portion in the fixture width direction in the connecting rod 2c.
According to this configuration, the hanging portion 21b hanging from the extending portion 21a in the width direction can reliably regulate the movement of the connecting rod 2c in the fixture width direction, and the connecting rod 2c can be in a strong connected state. it can.

In the fixture connection structure according to the above embodiment, the width direction extension portion 21a is provided so as to sandwich a pair of connecting rods 2c adjacent to each other in the fixture width direction in the plurality of chairs 1 with the floor surface F. The hanging portion 21b hangs down from one side of the extending portion 21a in the width direction in the furniture width direction, and engages with the side edge portion of the leg group 2cG composed of the pair of adjacent connecting rods 2c in the furniture width direction. The bolt 22 is inserted into the connecting rod 2c on the other side in the furniture width direction in the leg group 2cG and screwed into the nut hole 26.
According to this configuration, in the leg group 2cG composed of a pair of adjacent connecting rods 2c, the displacement of one connecting rod 2c is prevented by the hanging portion 21b, and the displacement of the other connecting rod 2c is prevented by the bolt 22 and the nut. It can be prevented by the hole 26. Further, the pair of connecting rods 2c can be fixed by the pair of bolts 22 and nut holes 26, and the floor connecting work of the chair 1 can be made more efficient.

In addition, the width direction extension portion 21a is provided so as to sandwich each connecting rod 2c adjacent to each other in the furniture width direction in the plurality of chairs 1 with the floor surface F, and the hanging portion 21b extends in the width direction. It may be configured to hang from both sides of the fixture width direction of the installation portion 21a and engage with the side edges of the leg group 2cG composed of the adjacent connecting rods 2c on both sides in the fixture width direction.
In this case, the connecting tool 21 forms a gate shape that sandwiches the leg group 2cG in the fixture width direction, and the connecting rod 2c can be in a strong connecting state with a simple configuration.

In the fixture connecting structure according to the above embodiment, a bolt insertion hole 2c6 through which the bolt 22 of the fixing means is inserted is formed in at least one of the connecting rods 2c adjacent to each other in the fixture width direction in the plurality of chairs 1. There is.
According to this configuration, the connecting rod 2c can be directly fixed to the floor surface F by the bolt 22 of the fixing means.

15 and 16 show a modified example of this embodiment.
The connecting tool 21'shown in FIG. 15 is provided over the connecting rods 2c of the plurality of chairs 1 arranged in the width direction, and the plurality of connecting rods 2c can be fixed to the floor surface F at the same time. The connector 21'has, for example, a width direction extension portion 21a' formed of a square steel pipe extending linearly in the furniture width direction, and the width direction extension portion 21a'for example, a left and right connecting rod 2c for each chair 1. It is fixed to the floor surface F by a bolt 22 between them. At this time, the connecting rod 21'fixes the connecting rods 2c of the plurality of chairs 1 to the floor surface F in a state of being pressed from above via the mounting member 10.

With reference to FIG. 16, a plurality of bosses (hanging portions) 21d provided with cushion rubber 21e are erected on the lower surface of the connector 21'. The bosses 21d are provided adjacent to both sides of a pair of connecting rods 2c arranged in the furniture width direction, for example, and can regulate the movement of the chairs 1 arranged in the furniture width direction in the furniture width direction. The boss 21d may be provided in the vicinity of the bolt 22 so as to receive the fastening load of the bolt 22.

17 to 19 show other modifications of the present embodiment.
The connecting rod 2c'shown in FIGS. 17 to 19 is formed in a hat-shaped cross-sectional shape having a convex portion 2c7 whose inside in the width direction is displaced upward, except for at least the front end portion 2c3. Correspondingly, the mounting member 10'fixed to the connecting rod 2c'corresponds to the convex portion 2c7 of the connecting rod 2c' on the inner side in the width direction of the lower surface portion of the base plate portion 11 facing the connecting rod 2c'. The recess 11b is formed.

On the lower surface of the mounting member 10', for example, a nut hole 11c corresponding to the nut N1 built in the stopper protrusion 12 is formed, and a part of the central portion of the second positioning protrusion 14 is cut out. A bolt insertion hole 11d penetrating the mounting member 10'is formed. The connecting rod 2c'is formed with a bolt insertion hole 2c8 facing the nut hole 11c and a female screw hole 2c9 facing the bolt insertion hole 11d.

A first bolt B1 for fixing the front portion of the mounting member 10'to the connecting rod 2c' is mounted from below in the bolt insertion hole 2c8 of the connecting rod 2c'and the nut hole 11c of the mounting member 10'. The front portion of the mounting member 10'is fixed to the connecting rod 2c' by the first bolt B1. The head of the first bolt B1 fits inside the connecting rod 2c'and does not interfere with the floor surface F.

A second bolt B2 for fixing the rear portion of the mounting member 10'to the connecting rod 2c'is mounted from above in the bolt insertion hole 11d of the connecting rod 2c'and the female screw hole 2c9 of the mounting member 10'. The rear portion of the mounting member 10'is fixed to the connecting rod 2c' by the second bolt B2. A counterbore is formed above the bolt insertion hole 11d of the connecting rod 2c'to sink the head of the second bolt B2, and a screw thread corresponding to the second bolt B2 is engraved on the inner circumference of the female screw hole 2c9. It is installed.

The concave abutting surface 12a of the stopper protrusion 12 of the mounting member 10'is formed by die cutting to the connecting rod 2c' side in front of the positioning protrusion 13, and the connecting rod is formed in front of the positioning protrusion 13. It is formed so as to open to the 2c'side.

The present invention is not limited to the above embodiment. For example, the mounting member 10 may not include the second positioning protrusion 14 and may have a flat rear upper surface. Further, the bolt 22 and the nut hole 26 may be arranged at a position avoiding the connecting rod 2c to fix the connecting tool 21 to the floor surface F.
The configuration in the above embodiment is an example of the present invention, and of course, it can be applied to furniture other than chairs, and various changes can be made without departing from the gist of the present invention.

1 Chair (furniture)
1A Combination fixture 2c, 2c'Connecting rod (leg)
2cG leg group 2c3 front end (end)
2c4 Ground plane 2c5 Outer surface 2c6 Bolt insertion hole 8 Leg accommodating part 10, 10'Mounting member 12 Stopper protrusion 12b Outer surface engaging part 12c Side engaging part 13 Positioning protrusion 14 Second positioning protrusion 14b Inclined surface 21, 21' Connector 21a Width extension 21b Hanging 21c Bolt insertion hole 21d Boss (hanging)
22 bolts (fixing means)
26 Nut hole (fixing means)
100 dolly (accommodation)
F Floor surface (furniture installation surface)

Claims (6)

It has legs on which a grounding surface is formed to be grounded to the fixture installation surface, and a plurality of units are stacked so as to follow the front-rear direction in the installed state in which the legs are arranged on the fixture installation surface. It is a fixture that can be used
A leg accommodating portion capable of accommodating the legs of the other fixtures is provided until at least a part of the legs overlap in the crossing direction of the ground plane with the legs of the other fixtures that overlap in the stacking state.
When the leg portion of the other fixture is housed in the leg accommodating portion, or when the leg portion of the other fixture is accommodated in the leg accommodating portion, the leg portion is placed on the upper surface of the leg portion in the installed state opposite to the ground contact surface. Is provided, a stopper protrusion is provided so that the ends of the legs of the other fixtures can be abutted in the front-rear direction in the installed state.
The stopper protrusion is provided with an outer surface engaging portion that projects in an eaves shape on the abutting surface of the stopper protrusion and is engageable with the upper surface of the end of the leg of the other fixture that is abutted. The furniture that is being used. The fixture according to claim 1, wherein the stopper protrusion is provided with a side engaging portion that can be engaged with a side surface in the furniture width direction in the leg portion of the other fixture that is abutted. The fixture according to claim 1 or 2, wherein the stopper protrusion is formed of a separate mounting member fixed to the leg. In the installed state, the movement of the legs with respect to the fixture installation surface can be regulated by the connector.
The fixture according to any one of claims 1 to 3, wherein the stopper protrusion is integrally formed with a positioning protrusion that engages with the end of the connector in the front-rear direction in the installed state. A second positioning protrusion is provided on the upper surface of the leg so as to sandwich the connecting tool with the positioning protrusion in the front-rear direction in the installed state.
At the end of the second positioning protrusion on the opposite side of the positioning protrusion in the front-rear direction in the installed state, the height of the leg protruding from the upper surface is gradually reduced as it is located on the opposite side. The fixture according to claim 4, wherein the surface is formed. A plurality of fixtures according to any one of claims 1 to 5 are provided, and the fixtures are provided.
A fixture system including a storage unit for accommodating a plurality of the fixtures in a stacking state.

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