JP7340947B2 - Chair - Google Patents

Description

The present invention relates to a chair.

Chairs that can be stacked and stored vertically are known in which the space between the left and right legs is wider than the left and right width of the seat (for example, Patent Documents 1 and 2). ). Patent Document 2 discloses a configuration in which a cushioning member (so-called bumper) is provided near the upper end of the leg to prevent contact with the leg of another chair having the same configuration during stacking and storage.

The chair disclosed in Patent Document 1 is a self-supporting chair that includes a seat and legs extending downward from the rear side on the underside of the seat, and the legs are leg supports that substantially hang down from the underside of the chair. and a leg grounding portion extending substantially horizontally to the seat. The chair can be placed on the top of a fixture such as a table by using the open space formed by the underside of the seat, the leg support, and the leg contact area. It is configured so that it can be hung on a board (hereinafter also referred to as hanging). For example, by hanging a chair on the top of a table so that the legs of the chair are floating, the floor around the table can be cleaned more easily.

In addition, the chair disclosed in Patent Document 1 has a protrusion that protrudes downward on the side of the opening space of the leg support rather than the underside of the seat, so that it can be easily hung on the top of a fixture. The top plate, which is located in the open space and guides the chair, comes into contact with the protrusion before the leg support, thereby preventing contact between the top plate, etc., which is the part on which the fixtures are placed, and the legs of the chair. be done.

JP 2018-75073 Publication Patent No. 3642906

However, in the chair disclosed in Patent Document 1, if the chair is lifted too much when hanging on the top plate, the protrusion provided on the underside of the seat crosses over the edge of the top plate and is placed on the top surface of the top plate, and the protrusion There is a risk that the top surface of the top plate may be damaged, and the leg support portions may come into contact with the edges of the top plate, causing damage to the legs and the top plate. Furthermore, the chair disclosed in Patent Document 1 is not provided with a bumper to prevent the legs of the upper and lower chairs from coming into contact with each other when stacked and stored, and there is a risk that damage such as peeling of the paint on the legs may occur. .

The present invention aims to improve this current situation.

The chair of the present invention includes a seat and legs that support the seat, and the legs have left and right leg grounding portions extending in the front-rear direction and left and right leg support portions rising from the leg grounding portions, and are stacked up and down. The chair can be stacked and stored, and can be hung by placing the seat on a top plate such as a table so that the leg grounding part is suspended from the floor below the top plate, A buffer member attached to the upper end of the support of the leg support is provided, and the buffer member is a portion of the upper end of the support of the leg support that faces the seat and leg support of other chairs of the same configuration when stacked and stored. The device integrally includes an inward facing portion that covers the top plate, and a forward facing portion that covers the upper end portion of the support column that faces the edge of the top plate when hanging.

According to the chair of the present invention, the inward facing part of the cushioning member suppresses contact between the leg support and the seat and leg support of another chair having the same configuration during stacking and storage, and the forward facing part of the same cushioning member prevents the leg support from coming into contact with the seat and leg support of another chair having the same configuration. This suppresses contact between the leg support portion and the top plate when the leg support portion and the top plate come into contact with each other. In this way, by providing a single buffer member with a stacking bumper function and a hanging bumper function, the number of parts can be reduced while preventing damage to the legs and seat during stacking and damage to the legs and top plate during hanging. Both damage can be prevented, and damage to chairs and top plates can be suppressed at low cost.

In the chair of the present invention, the leg is formed of a pipe, and the upper end of the leg support has a curved part and a straight or substantially straight straight part continuous to a lower part of the curved part. The buffer member extends from the curved part to the straight part to cover the upper end of the column, and is attached to the leg by a buffer member mounting screw that is screwed into a buffer member mounting hole provided in the straight part. It may be fixed to the support section. Here, the term "substantially straight straight section" means that the straight section includes a slightly curved straight section.

According to this aspect, although the buffer member is installed from the curved part of the upper end of the support column to the straight part of the leg strut part, by providing the buffer member mounting hole in the straight part of the pipe, it can be attached to the curved part. A decrease in strength can be prevented, and the buffer member can be securely fixed with the buffer member mounting screw.

Furthermore, the buffer member may include a positioning protrusion that is inserted into a buffer member positioning hole provided in the linear portion at a position different from the buffer member attachment hole.

According to this aspect, by providing the buffer member positioning hole in the straight portion, it is possible to prevent a decrease in the strength of the curved portion, and also to prevent rotation of the buffer member around the buffer member mounting screw, thereby making it possible to easily install the buffer member. The posture can be maintained reliably and the cushioning member can be prevented from falling off.

The chair of the present invention can prevent damage to the legs and seat during stacking and storage, and damage to the legs and top plate during hanging, without increasing the number of parts.

It is a front view of the chair of an embodiment. It is a side view of the same embodiment. It is a top view of the same embodiment. It is a bottom view of the same embodiment. FIG. 2 is a perspective view of the same embodiment as seen diagonally from behind. It is a perspective view which shows the seat of the same embodiment separately. FIG. 3 is an enlarged perspective view showing a partially cut away upper end of the support column of the leg support section. FIG. 3 is a side view showing a stacked storage state. FIG. 3 is an enlarged front view showing the vicinity of the buffer member in a stacked and stored state. FIG. 7 is an enlarged rear perspective view showing the vicinity of the buffer member in a stacked and stored state. It is a side view showing a hanging state. 5 is a sectional view taken along the line AA in FIG. 4. FIG. FIG. 3 is a vertical cross-sectional view showing the front leg end buffer member and the front end of the leg, in which (A) shows the state in which the front leg end buffer member is attached, and (B) shows the state before the front leg end buffer member is attached. It is a longitudinal cross-sectional view showing a rear leg end buffer member and a leg rear end portion. FIG. 7 is a vertical cross-sectional view showing the rear leg end cushioning member and the leg rear end section separately.

Next, embodiments of the present invention will be described based on the drawings. In the following explanation, words such as front and rear, left and right are used to specify the direction, but this is defined as the state seen from a person sitting normally on a chair. The front view is a posture facing the person sitting on the chair.

As shown in FIGS. 1 to 6, the chair 1 of this embodiment includes a seat 2, legs 3 that support the seat 2, and a backrest 4 connected to the seat 2.

The legs 3 are made by bending metal pipes, and include left and right leg grounding parts 31 extending in the front-rear direction, left and right leg support parts 32 rising from the rear ends of the leg grounding parts 31, and leg support parts 32. The left and right seat receiving portions 33 are continuous to the upper end portion 321 of the support column. In this embodiment, the left and right leg grounding parts 31, the leg support parts 32, and the seat support parts 33 are each formed of one metal pipe, and the ends of the left and right seat support parts 33 are welded or connected via a connecting member. By connecting the left and right metal pipes, the legs 3 are formed by integrating the left and right metal pipes.

The interval between the left and right leg grounding parts 31 and the interval between the left and right leg support parts 32 are set wider than the left-right width of the seat 2 attached to the seat support part 33. As a result, as shown in FIGS. 8 and 9, by placing the seat 2 of the upper chair 1 on the seat 2 of the lower chair 1, multiple chairs 1 can be stacked and stored vertically. It is configured.

Further, in the leg 3, the leg grounding portion 31, the leg support portion 32, and the seat support portion 33 have a substantially U-shape that opens forward when viewed from the side. As a result, as shown in FIG. 11, the seat 2 is placed on the top plate 100 of a fixture such as a table, and the leg ground portion 31 is suspended from the floor below the top plate 100 so that it can be hung. has been done.

The left and right leg grounding portions 31 are provided parallel to each other, and midway forward portions of the leg grounding portions 31 are connected to each other by a leg connecting portion 34 extending in the left-right direction. The end portion of the leg connecting portion 34 is fixed to the leg grounding portion 31 by, for example, welding.

The leg support portion 32 includes a support lower end portion 322 that curves upward from the rear end of the leg grounding portion 31, a support intermediate portion 323 that extends upward from the support lower end portion 322 with a slight forward incline, and a support support that extends upward from the support support intermediate portion 323. It has a strut upper end 321 that curves forward. The upper end portion 321 of the column extends toward the seat 2 while being inclined inwardly from side to side when viewed from above.

The seat support portion 33 is provided substantially horizontally (slightly upwardly forward in this embodiment), and extends from the upper end portion 321 of the support column portion 32 inward and diagonally forward to the left and right, and then curves outward to the left and right. It extends in a left-right outward direction and obliquely forward direction, and further curves left-right inward and extends in a left-right inward direction. The front end portions of the left and right seat support portions 33 are butted against each other and connected at a position closer to the front of the chair 1 and at a center position between the left and right sides.

The legs 3 are configured to flex as the user's weight shifts while sitting on the seat 2. When the user is sitting on the chair 1 in a forward-leaning posture, the flex of the legs 3 causes the seat 2 to flex. By leaning forward (having a low front and high back posture), the usability of the chair 1 is improved.

As shown in FIG. 7, the strut upper ends 321 of the left and right leg struts 32 have a curved portion 321a and a straight portion 321b continuous to the lower part of the curved portion 321a. A buffer member 51 that prevents damage to the legs 3 and the like during stacking and storage and hanging is attached to extend from the curved portion 321a to the straight portion 321b. Note that the straight portion 321b is not limited to a completely straight line, and may be slightly curved.

The buffer member 51 is made of resin and has a shape in which one end of a half cylinder is curved to match the curved shape of the upper end portion 321 of the column. The buffer member 51 has an inward portion 51a that covers the upper end portion 321 of the support column that faces the seat 2 and the leg support portion 32 of another chair 1 having the same configuration when stacked and stored (see FIGS. 8 to 10), and a hanging portion. It has a forward-facing portion 51b that covers a portion of the upper end portion 321 of the support column that faces the edge of the top plate 100 when viewed from above (see FIG. 11).

The buffer member 51 is attached to the upper end portion 321 of the support column, extending from the curved portion 321a of the upper end portion 321 to the straight portion 321b. A buffer member mounting screw insertion hole 51c is provided in the center of the buffer member 51, into which the shaft portion of the buffer member mounting screw 511 can be inserted. The buffer member 51 is attached to the upper end of the support column of the leg support portion 32 by a buffer member attachment screw 511 that is screwed into the buffer member attachment hole 321c provided on the left and right inward facing surfaces of the straight portion 321b through a buffer member attachment screw insertion hole 51c. It is removably fixed to the section 321. On the outer surface of the buffer member 51, the area around the buffer member mounting screw insertion hole 51c is formed in a counterbore shape to accommodate the head of the buffer member mounting screw 511, and the buffer member mounting screw is inserted from the outer surface of the buffer member 51. 511 is configured so that its head does not protrude.

In addition, a buffer member positioning hole 321d is provided below the buffer member mounting hole 321c on the left and right inward facing surfaces of the straight portion 321b, and the buffer member 51 is attached to the leg support portion 32 on the inner surface of the buffer member 51. A positioning protrusion 51d is provided to be inserted into the buffer member positioning hole 321d in a state where the positioning projection 51d is inserted into the buffer member positioning hole 321d.

According to the chair 1 of this embodiment, the inward portion 51a of the buffer member 51 suppresses contact between the leg support portion 32 and the seat 2 and the leg support portion 32 of another chair 1 having the same configuration during stacking and storage. The forward facing portion 51b of the same buffer member 51 suppresses contact between the leg support portion 32 and the top plate 100 during hanging. In this way, by providing one buffer member 51 with a stacking bumper function and a hanging bumper function, the number of parts can be reduced while preventing damage to the legs 3 and seat 2 when stacking and storing, and preventing damage to the legs 3 when hanging. Both damage to the chair 1 and the top plate 100 can be prevented, and damage to the chair 1 and the top plate 100 can be suppressed at low cost.

In addition, in the chair 1, the legs 3 are formed of pipes, and the support upper end 321 of the leg support section 32 has a curved part 321a and a straight part 321b continuous to the lower part of the curved part 321a, The buffer member 51 extends from the curved portion 321a to the straight portion 321b, covers the upper end portion 321 of the support column, and connects the leg support portion 32 with a buffer member mounting screw 511 that is screwed into a buffer member mounting hole 321c provided in the straight portion 321b. Fixed. As a result, although the buffer member 51 is configured to be attached across the curved part 321a to the straight part 321b of the support upper end 321 of the leg support part 32, by providing the buffer member attachment hole 321c in the straight part 321b, the curved part 321a In addition to preventing the strength from decreasing, the buffer member 51 can be securely fixed with the buffer member mounting screws 511.

Further, in the chair 1, the buffer member 51 includes a positioning protrusion 51d that is inserted into a buffer member positioning hole 321d provided in the straight portion 321b at a position different from the buffer member attachment hole 321c. In this way, by providing the buffer member positioning hole 321d in the straight portion 321b, it is possible to prevent the rotation of the buffer member 51 about the buffer member mounting screw 511 while preventing a decrease in the strength of the curved portion 321a. The mounting posture of the buffer member 51 can be maintained reliably, and the buffer member 51 can be prevented from falling off.

Next, the configuration of the seat 2 will be explained with reference to FIG. 12 and the like. The seat 2 includes a seat outer member 21 attached to a seat support portion 33, a seat inner member 22 attached to the seat outer member 21, a seat cushion member 23 that covers the upper surface of the seat inner member 22, and a seat cushion member 23. The seat cover member 25 is provided with a skin material 24 that covers the seat, and a seat cover member 25 that is attached under the seat support part 33. Note that illustration of the skin material 24 is omitted in FIGS. 1 to 10.

The seat outer member 21 is a generally plate-shaped frame made of resin with an open center, and has four seat outer attachment points provided vertically through the front and rear ends of the left and right seat supports 33. A seat outer mounting screw 211 inserted into the screw insertion hole 33a from below is screwed into an outer nut member 212 provided on the seat outer member 21, thereby being fixed to the upper surface of the seat support portion 33.

The seat inner member 22 is made of resin and has a substantially plate-like form, and the seat inner member 22 has a plurality of holes in the center thereof to facilitate bending deformation due to the body pressure of the seated person on the seat 2. A slit is formed. A seat cushion member 23 made of an elastic material such as urethane is fixed (adhered) to the upper surface of the seat inner member 22 by insert molding. A skin material 24 is applied to the surface of the seat cushion member 23.

The seat inner member 22 has seat inner mounting screws 221 inserted from below into four seat inner mounting screw insertion holes 21 a provided vertically through the four corners of the seat outer member 21 . By being screwed into the provided inner nut member 222, it is fixed to the upper surface of the seat outer member 21.

The seat cover member 25 is made of resin, has a substantially rectangular box shape with an open top, and accommodates the seat receiving portion 33 of the leg 3 therein. The seat cover member 25 has a bottom that comes into contact with the top surface of the seat 2 of another chair 1 or the top surface of the top plate 100 during stacking storage and hanging, so that the seat support portion 33 is in contact with the top surface of the seat 2 of another chair 1 or the top plate 100. 100. A flat surface portion 25d is formed at the center of the lower surface of the seat cover member 25, and when the seat 2 of the chair 1 is placed on the top plate 100 and hung, the flat surface portion 25d on the lower surface of the seat cover member 25 becomes the top plate. By contacting the upper surface of the chair 100, the chair 1 is prevented from wobbling (swaying), and the chair 1 is prevented from falling.

The seat cover member 25 has seat cover mounting holes provided in the seat cover member 25 corresponding to the four seat cover mounting holes 33b provided on the front and rear end lower surfaces of the left and right seat receivers 33. The seat cover mounting screw 251 inserted into the screw insertion hole 25a from below is fixed to the lower surface of the seat receiver 33 by being screwed into the seat cover mounting hole 33b on the lower surface of the seat receiver 33.

The seat cover member 25 has four boss parts 25b that protrude upward from the bottom top surface of the seat cover member 25 toward the mounting position of the seat inner mounting screw 221, and four boss parts 25b that penetrate the seat cover member 25 in the vertical direction. A seat inner screw mounting hole 25c provided in the boss portion 25b is provided. The seat inner screw mounting hole 25c is provided in a size that allows the head of the seat inner mounting screw 221 to be inserted therethrough, and by inserting the tip of a tool such as a screwdriver into the seat inner screw mounting hole 25c, The work of tightening and loosening the seat inner mounting screw 221 can be performed. Thereby, the seat inner member 22 can be removed from the seat outer member 21 without removing the seat bottom cover member 25, and the work of replacing the seat inner member 22, the seat cushion member 23, and the skin material 24 becomes easy.

As the seat 2, instead of the seat outer member 21, a so-called nude type seat outer member, which has no opening in the center and on which the user directly sits, may be attached to the seat support portion 33.

Next, the backrest 4 will be explained with reference to FIGS. 1 to 5. A downwardly opened cylindrical portion 41 is formed at both left and right end portions of the backrest 4. Back fixing members 42 having a substantially L-shape in side view are fixed to the left and right seat supports 33 of the legs 3 by, for example, welding. The left and right back fixing members 42 are made of metal pipes, and the horizontal portions of the back fixing members 42 are arranged on the left and right inner sides of the seat receiver 33 from the middle part of the seat receiver 33 to the rear end. 33, the cylindrical part 41 of the backrest 4 is inserted into the rising part of the back fixing member 42 rising from the rear end of the horizontal part, and is fixed with the backrest mounting screw 43.

The lower ends of the left and right cylindrical parts 41 of the backrest 4 are fixed to both the left and right corners of the rear side of the seat outer member 21 of the seat 2 with screws (not shown), and in this embodiment, the seat outer member 21 and the backrest 4 are integrated.

Next, the buffer members attached to both the front and rear ends of the left and right leg grounding portions 31 of the legs 3 will be described with reference to FIG. 13 and the like.

A front leg end buffering member 61 and a rear leg end buffering member 71 are attached to both front and rear ends of the leg grounding portion 31 to prevent the leg grounding portion 31 made of a metal pipe from coming into contact with the floor surface. Although details will be described later, the rear leg end buffer member 71 is attached from the leg rear end 312 of the leg grounding section 31 to the strut lower end 322 of the leg support section 32.

As shown in FIG. 13 etc., the front leg end buffer member 61 is made of resin, and includes a bottom part 62 that supports the lower part of the front leg end part 311 of the leg grounding part 31, and a front part 63 that covers the front end of the front leg end part 311. , and left and right side portions 64 that cover the lower half of the side surfaces of the leg front end portion 311.

A bottom mounting screw insertion hole 62a that penetrates vertically is formed in a rear portion of the bottom 62 of the front leg end buffer member 61, and a bottom mounting screw insertion hole 62a is formed in the bottom mounting screw mounting hole 311a formed on the lower surface of the front leg end 311. The front leg end buffer member 61 is fixed to the front leg end portion 311 by screwing in the bottom mounting screw 65 through the bottom attachment screw 62a. The head of the bottom mounting screw 65 is accommodated in a head accommodating portion 62b that is formed continuously at the lower end of the bottom mounting screw insertion hole 62a and opens at the bottom surface of the bottom 62, so that the head of the bottom mounting screw 65 is placed on the floor. It is designed so that it does not come in contact with the

A support member attachment hole 62c is formed in the middle of the bottom portion 62 and extends vertically.By press-fitting the shaft portion of a support member 80 such as Plastic Part (registered trademark) into the support member attachment hole 62c, the bottom portion A support member 80 is configured to be attachable to the lower surface of 62. The material of the bottom portion of the support member 80 (the portion that contacts the floor surface) that protrudes downward from the lower surface of the bottom portion 62 can be appropriately selected depending on the floor material, such as resin, metal, or felt. Note that an insertion hole 311b through which the shaft tip of the support member 80 can be inserted is provided on the lower surface of the leg front end 311 above the support member attachment hole 62c.

The front portion 63 of the front leg end buffer member 61 is configured to close the front end opening of the pipe-shaped leg front end portion 311. A notch recess 311c is provided at the lower front end of the front leg end portion 311, into which an engagement protrusion 63a protruding rearward from the front portion 63 of the front leg end buffer member 61 engages. Note that the engaging protrusion 63a is also continuous with the upper surface of the front end portion of the bottom portion 62. Further, the front portion 63 is provided with a downward movement regulating protrusion 63b that protrudes further rearward than the engagement protrusion 63a.

When attaching the front leg end buffer member 61, the downward movement regulating protrusion 63b is inserted into the front leg end 311 from the front of the leg front end 311, and the engaging protrusion 63a is fitted into the notch recess 311c. The front leg end buffer member 61 is fixed to the front leg end portion 311 by screwing the bottom mounting screw 65 into the bottom mounting screw mounting hole 311a through the bottom mounting screw insertion hole 62a. The rear part of the bottom part 62 of the front leg end buffer member 61 is prohibited from moving downward and rotating around the front leg end part 311 by a bottom mounting screw 65. The front portion 63 of the front leg end cushioning member 61 is prohibited from moving downward by a downward movement regulating protrusion 63b located directly above the lower front end of the front leg end portion 311, and the engaging protrusion 63a is engaged with the notch recess 311c. By matching, rotation around the front end portion 311 of the leg is prohibited.

As described above, the mounting structure of the front leg end buffer member 61 in the chair 1 of the present embodiment is such that one bottom mounting screw 65 is used to move the front leg end buffer member 61 downward in the front and rear regions, and to move the front leg end portion 311 of the front leg end buffer member 61 downward. It is possible to prevent the front leg end buffer member 61 from falling off and displacing with respect to the front leg end portion 311 with less man-hours and low cost.

Next, the rear leg end buffer member 71 will be explained with reference to FIGS. 14, 15, etc. The rear leg end buffer member 71 is formed into a substantially L-shape in side view so as to overlap the leg rear end portion 312 of the leg grounding portion 31 and the strut lower end portion 322 of the leg strut portion 32.

The rear leg end buffering member 71 is made of resin, and includes a bottom part 72 that supports the lower part of the leg rear end part 312 of the leg grounding part 31 and the lower part of the lower front part of the strut lower end part 322 of the leg support part 32, and a lower part of the strut lower end. It has a rear portion 73 that covers the rear of the column 322, and left and right side portions 74 that cover the curved outer side portions of the side surfaces of the column lower end portion 322.

A bottom front mounting screw insertion hole 72a that penetrates vertically is formed in a front-side portion of the bottom 72 of the rear leg end buffer member 71, and a bottom front mounting screw insertion hole 312a formed on the lower surface of the leg rear end 312 By screwing in the bottom front mounting screw 75 through the bottom front mounting screw insertion hole 72a, the front portion of the rear leg end buffer member 71 is fixed to the leg rear end portion 312. The head of the bottom front mounting screw 75 is accommodated in a head accommodating portion 72b that is formed continuously at the lower end of the bottom front mounting screw insertion hole 72a and opens at the bottom surface of the bottom 72. The head of the machine is constructed so that it does not touch the floor.

In the middle of the bottom part 72, there is a bottom part mounting screw insertion hole 72c that penetrates diagonally upward toward the nut member 324 fixed by welding to the curved outer surface of the lower end part 322 of the leg support part 32 in the middle part. is formed, and by screwing the bottom middle part mounting screw 76 into the nut member 324 through the bottom middle part mounting screw insertion hole 72c, the middle part of the rear leg end buffer member 71 is attached to the lower end part 322 of the support column. Fixed. The head of the bottom midway mounting screw 76 is accommodated in a head accommodating portion 72d that is formed continuously at the lower end of the bottom midway mounting screw insertion hole 72c and opens at the bottom surface of the bottom 72. The head of the machine is constructed so that it does not touch the floor.

The rear leg end buffer member 71 is firmly attached to the leg rear end 312 of the leg grounding part 31 and the strut lower end 322 of the leg support section 32 with two screws, the bottom front mounting screw 75 and the bottom midway mounting screw 76. It is attached. Further, the bottom front mounting screw 75 is screwed into the bottom front mounting screw mounting hole 312a provided in the leg rear end 312 made of a straight metal pipe, while the bottom midway mounting screw 76 is screwed into a bottom front mounting screw mounting hole 312a made of a curved metal pipe. Since it is screwed into a nut member 324 fixed to the outer surface of the lower end portion 322 of the column made of a pipe, the rear leg end buffer member 71 can be attached without reducing the strength of the lower end portion 322 of the column that is curved.

A support member attachment hole 72e for holding the shaft portion of the support member 80 is formed in the rear portion of the bottom portion 72. By press-fitting the shaft portion of the support member 80 into the support member attachment hole 72e, the front leg end buffer member 61 Similarly, the support member 80 is configured to be attachable to the lower surface of the bottom portion 72.

The rear portion 73 of the rear leg end buffer member 71 is formed hollow inside and is configured to be able to bend and deform in the left-right direction. As shown in the front view of FIG. 2, the lower end portion 322 and middle portion 323 of the lower support portion 32 of the leg support portion 32 of the leg 3 are slightly inclined inward to the left and right so that the upper side is located further inward to the left and right. By bending and deforming the rear part 73 of the rear leg end buffer member 71 attached to the lower end of the strut 322 along the slope of the lower end of the strut 322, the left and right side parts 74 extending forward from both left and right sides of the rear part 73 become the lower end of the strut. It is configured to sandwich the portion 322. Thereby, the rear leg end buffer member 71 can be shared between the left and right leg support sections 32, and costs can be reduced.

Although the embodiments of the present invention have been described above, the present invention can be embodied in various other ways, and various changes can be made without departing from the spirit of the present invention.

1 Chair 2 Seat 3 Legs 31 Leg ground portion 32 Leg support portion 33 Seat support portion 34 Leg connection portion 51 Buffer member 51a Inward facing portion 51b Forward facing portion 51c Buffer member mounting screw insertion hole 51d Positioning protrusion 100 Top plate 321 Upper end of support 321a Curved portion 321b Straight portion 321c Buffer member mounting hole 321d Buffer member positioning hole 322 Support lower end portion 323 Support middle portion 511 Buffer member mounting screw

Claims (3)

The seat includes a seat and legs that support the seat, and the legs have left and right leg grounding portions extending in the front-rear direction and left and right leg support portions rising from the leg grounding portions, and can be stacked vertically for stacking storage. In addition, the chair is capable of hanging with the seat placed on a top plate such as a table and the leg grounding portions floating above the floor below the top plate,
comprising a buffer member attached to the upper end of the support of the leg support,
The buffer member includes an inward portion of the upper end of the leg support that covers a portion facing the seat and leg support of another chair of the same configuration when stacked and stored, and an edge of the top plate when hanging. A chair that integrally has a forward facing portion that covers the upper end portions of the pillars that are opposed to each other . The legs are formed of pipes,
The upper end of the support of the leg support has a curved part and a straight or substantially straight straight part continuous to the lower part of the curved part,
The buffer member extends from the curved part to the straight part to cover the upper end of the support column, and is fixed to the leg support part with a buffer member mounting screw screwed into a buffer member mounting hole provided in the straight part. The chair according to claim 1. The chair according to claim 2, wherein the buffer member includes a positioning protrusion that is inserted into a buffer member positioning hole provided in the linear portion at a position different from the buffer member attachment hole.

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