JP6485946B2 - Chair - Google Patents

Description

  The present invention relates to a chair.

  In general, various chairs having a leg portion, a seat provided on the upper portion of the leg portion, and a backrest provided on the back side of a user sitting on the seat are known. About such a chair, there exists a request which can change designs, such as length and a shape, arbitrarily according to the environment and request of an installation place.

  As a chair that meets the above request, for example, Patent Document 1 discloses a seat plate, a pair of cross members attached to the back surface of the seat plate and substantially parallel to each other, and a foot hardware for attaching the pair of cross members. A bench comprising a base that supports the foot hardware is disclosed. Here, the foot hardware is composed of a leg and a substantially horizontal support plate fixed to the upper end of the leg. The support plate is composed of a fixed plate fixed to the leg, and an adjustment plate connected to the end of the fixed plate so that the position can be adjusted.

  Further, for example, in Patent Document 2, a plurality of frame materials forming a seat portion and a backrest portion, a connecting means for connecting the frame materials to each other in a skewered state at a constant interval, and a connection by the connecting means There is disclosed a unit-type chair having supporting means for supporting the frame material on a flat surface such as a floor surface. Here, in the frame material, a portion constituting the seat portion and a portion constituting the backrest portion are respectively formed with a seat portion side coupling hole and a backrest side coupling through hole. The connecting means includes a seat-side connecting member that penetrates the seat-side connecting through-hole of the frame material, a back-side connecting member that passes through the back-side connecting through-hole of the frame material, and the seat side. And a plurality of spacers that hold the frame material connected by the connecting member on the backrest side at a constant interval, and a retaining member that prevents the frame material from coming out of the connecting member on the seat side and the backrest side. doing.

Japanese Utility Model Publication No. 63-135849 JP-A-4-61811

  However, in the bench described in Patent Document 1, the appearance of the bench is almost constrained by the shape of the pair of cross members, and when changing the appearance of the bench, it is necessary to newly prepare a cross member having a shape according to the appearance. There is. Therefore, it takes time and cost to prepare the cross member to change the appearance, and there is a problem that it is difficult to arbitrarily change the appearance.

  In addition, in the unit type chair described in Patent Document 2, after assembling, the position of the seat portion side coupling hole and the backrest side coupling through hole is adjusted between the adjacent frame members, and then the seat portion The operation | work which installs three connection members of the side and the backrest side is required. At this time, if the accuracy of the molding process of the frame material is poor, it is difficult to align the seat portion side connecting hole and the backrest side connecting through hole, and there is a problem that the efficiency of the assembling work is lowered. In addition, it requires time and cost to prepare the frame material and the connecting member in order to change the appearance because extremely high processing accuracy and assembly accuracy are required at the time of forming the frame material, and it is difficult to arbitrarily change the appearance. was there.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a chair that can be arbitrarily changed in appearance by simple work and can improve the efficiency of assembly work.

In order to achieve the above object, the present invention employs the following means.
That is, the chair according to the present invention includes a main body member integrally including a seat portion and a backrest portion so as to constitute a seat and a backrest by arranging a plurality of chairs adjacent to each other, and the backrest of the adjacent main body member. a fastener for fixing the end surfaces facing each other of the parts to each other, and a connecting member connected from the rear side of the seat portion of the plurality of body members against only the seat, a support member for supporting the connector, the It is characterized by having.

In such a chair, adjacent body members are independently fixed by fixtures. Therefore, at the time of work when changing the appearance of the chair, the change or replacement of the main body member only of the changed portion, the attachment and detachment of the fixing member for fixing the main body members adjacent to the main body member of the changed portion, and the change Only the part of the main body member and the connector may be attached and detached. In other words, when changing the appearance of the chair, there is no need to prepare a new fixture that matches the changed appearance as before, and it is not always necessary to align all body members and attach / detach the fixture during assembly work. It is not necessary to do.
Further, the backrest portions where the fixing tool insertion portion is easily aligned and the fixing tool insertion portion can be easily inserted and removed are fixed independently by the fixing tools inserted into the fixing tool insertion portion. Therefore, the strength of the entire chair is easily ensured, and the efficiency of the assembling work is promoted.

In the chair according to the present invention, a fixture insertion portion into which the fixture is inserted is formed on at least one end surface of the backrest portion of the main body member, and the fixture insertion portion is at least two places on the backrest portion. Preferably it is formed .

In such a chair, adjacent main body members are independently fixed by fixtures inserted into the fixture insertion portions. Therefore, the attachment / detachment of the fixture during the assembly operation is easily performed by positioning the fixture insertion portion between adjacent body members and inserting / extracting the fixture with respect to the fixture insertion portion, thereby promoting the efficiency of the assembly operation.
Moreover, adjacent main body members are reliably supported by being fixed with a fixing tool in two or more places of the backrest part. Further, since the interval between the adjacent main body members can be flexibly changed in the height direction of the backrest portion according to the body shape of the seated user, the backrest can be bent appropriately. The adjacent main body members are fixed at appropriate positions according to the shape of the backrest, and the adjacent main body members are fixed by the same fixing tool regardless of the number of the fixing tool insertion portions formed. Therefore, it is not necessary to prepare a new fixture in accordance with the change in the number of the fixture insertion portions formed, and the manufacturability of the chair is improved.

  In the chair which concerns on this invention, it is preferable that the said fixing tool insertion part is made into the bottom in the width direction of the said backrest part.

  In such a chair, the depth of the fixture insertion portion from the end face of the main body member is set within a predetermined range by the depth of the fixture insertion portion, so that the interval between the backrest portions of adjacent main body members is moderate and It is easily adjusted and the assembly operation is more efficient.

Further, in the chair according to the present invention, the fixture insertion portion penetrates the backrest portion in the width direction, and both ends of the fixture are inserted into the fixture insertion portion of the adjacent backrest, A stopper is preferably provided near the center of the fixture .

  Moreover, in the chair which concerns on this invention, it is preferable that the said fixing tool is comprised from the synthetic resin.

  In such a chair, the chair is advantageous depending on the characteristics of the synthetic resin constituting the fixture. For example, if the fixture is made of a high-strength synthetic resin, the spacing between the main body members and the like are firmly held, so the shape of the seat and the backrest is also firmly held. Further, for example, if the fixture is made of a synthetic resin excellent in elasticity, the interval between the main body members varies more flexibly, so that the seat and the backrest can be bent more flexibly. Thus, the design freedom of a chair improves because a fixture is comprised from a synthetic resin.

  According to the chair according to the present invention, the appearance can be arbitrarily changed with a simple work, and the efficiency of the assembly work can be improved.

It is the schematic of the chair which is 1st embodiment of this invention. It is a side view of the chair which is the first embodiment of the present invention. It is a front view of a part of the chair which is the first embodiment of the present invention, and corresponds to a case seen from the direction D1 shown in FIG. It is a top view of a part of the chair which is 1st embodiment of this invention, and is a figure corresponding to the case where it sees from D2 direction shown in FIG. It is a front view of a part of a chair which is a modified example of the first embodiment of the present invention, and corresponds to a case seen from the D1 direction shown in FIG. It is a top view of a part of a chair which is a modified example of the first embodiment of the present invention, and corresponds to a case seen from the D2 direction shown in FIG. It is a front view of a part of the chair which is the second embodiment of the present invention, and corresponds to a case seen from the D1 direction shown in FIG. It is a top view of a part of the chair which is the second embodiment of the present invention, and corresponds to a case seen from the direction D2 shown in FIG. It is a front view of a part of the chair which is 3rd embodiment of this invention, and is a figure corresponding to the case where it sees from D1 direction shown in FIG. It is a top view of a part of the chair which is 3rd embodiment of this invention, and is a figure corresponding to the case where it sees from D2 direction shown in FIG.

  Hereinafter, a chair which is an embodiment to which the present invention is applied will be described with reference to the drawings. The drawings used in the following description are schematic, and the length, width, thickness ratio, and the like are not necessarily the same as the actual ones, and can be changed as appropriate.

(First embodiment)
Hereinafter, a first embodiment of the present invention (hereinafter, simply referred to as “first embodiment”) will be described with reference to FIGS. FIG. 1 is a schematic view showing a chair 1 of the first embodiment. FIG. 2 is a side view showing the chair 1.

  As shown in FIG.1 and FIG.2, the chair 1 of 1st embodiment is the fixing member 3 each fixed between the main body member 2 arrange | positioned adjacently and the adjacent main body members 2 and 2, The closing tool 20 provided in the main body member 2 of the both ends of the chair 1, the connection tool 5 which connects several main body members 2, ..., 2, and the support member 11 which supports the connection tool 5 are provided. In addition, illustration of the fixing tool 3 is abbreviate | omitted in FIG.

  The main body member 2 includes a seat portion 2S that constitutes the seat 1S of the chair 1 by being disposed a plurality of adjacently, and a backrest portion 2B that constitutes the backrest 1B of the chair 1 by being disposed a plurality of adjacently. Integrated. The main body member 2 of the first embodiment is integrally provided with a footrest 2F in addition to the seat 2S and the backrest 2B.

  The shape of the seat part 2S and the backrest part 2B is set according to the shape of the seat 1S and the backrest 1B in consideration of the body shape of the user sitting on the chair 1. The footrest 2F is formed so as to bend downward from an end opposite to the end of the seat 2S connected to the backrest 2B. Since the main body member 2 includes the footrest portion 2F, when the user sits on the chair 1, the corner portion of the main body member 2 does not contact the user's foot. Further, as shown in FIG. 2, when the chair 1 is viewed from the front side (that is, the side opposite to the direction of the arrow D1 shown in FIG. 2), the connector 5 is hidden by the footrest 2F.

  Examples of the material constituting the main body member 2 include, but are not particularly limited to, a beech single plate molded plywood and a solid material.

FIG. 3 is a front view of a part of the chair 1 and corresponds to a view from the direction D1 shown in FIG. FIG. 4 is a top view of a part of the chair 1 and corresponds to the case seen from the direction D2 shown in FIG.
A fixture insertion portion 15 is formed on at least one end surface of the seat portion 2S and the backrest portion 2B of the main body member 2.
In 1st embodiment, as shown in FIG.3 and FIG.4, the fixing tool insertion part 15 is formed in the end surfaces 2b and 2b which the backrest part 2B of the adjacent main body members 2 and 2 mutually faces. From the standpoint that the adjacent body members 2 and 2 are reliably supported and the interval between the body members 2 and 2 can be flexibly changed in the height direction of the backrest portion 2B, the fixture insertion portion 15 is provided on the backrest portion 2B. It is preferable to be formed in at least two places on the end face 2b. In the main body member 2 of the first embodiment, the fixture insertion portions 15 are formed at three locations on the end surface 2b of the backrest portion 2B.

  The fixture insertion portion 15 is a hole that opens to the end surface 2b of the backrest portion 2B, and has a bottom in the width direction of the backrest portion 2B (that is, the direction of the arrow D5 shown in FIGS. 3 and 4). In the same manner as described above, the adjacent body members 2 and 2 are reliably supported, and the interval between the body members 2 and 2 can be flexibly changed in the height direction of the backrest portion 2B. The depth from the end face 2b is preferably less than 50% of the length of the fixture 3 in the direction of the arrow D5, for example.

  The fixture 3 is fixed to both end faces 2b, 2b of the adjacent main body member 2 facing each other. The end 3x of the fixture 3 of the first embodiment is formed so as to be insertable into a fixture insertion portion 15 formed in the main body member 2.

  As a material constituting the fixture 3, a synthetic resin excellent in strength and elasticity is suitable. As such a synthetic resin, for example, inexpensive polyacetal (POM) generally used widely, nylon having particularly excellent strength, and the like can be mentioned. In addition, the raw material which comprises the fixing tool 3 is not limited to a synthetic resin.

The closing tool 20 is inserted into a fixing tool insertion portion 15 formed on an end surface 2 b that is open in the main body member 2 disposed on both sides of the chair 1. The head portion of the closing tool 20 exposed in the state of being inserted into the fixing tool insertion portion 15 may have a curved shape as illustrated in FIGS. 3 and 4 in consideration of the appearance and design of the chair 1. Is formed.
In addition, although the raw material which comprises the closing tool 20 may be a synthetic resin, it is not specifically limited.

  As shown in FIG. 1, the connector 5 is a member that is mounted on the back side of the seat 2 </ b> S of the main body member 2 and connects the plurality of main body members 2,. The connector 5 of the first embodiment is configured by a pair of long pipes that connect the plurality of main body members 2,..., 2 from the back side of the seat portion 2S. A method of attaching the connector 5 to the main body member 2 is not particularly limited. For example, a screw (not shown) may be penetrated in the thickness direction of the connector 5, and the connector 5 may be attached to the main body member 2 by embedding the tip of the screw in the main body member 2. Means may be used.

  As the material constituting the connector 5, a metal having excellent strength is suitable. Examples of such a metal include iron and stainless steel (SUS). In addition, the raw material which comprises the coupling tool 5 is not limited to a metal.

The support member 11 includes a wide leg 9 and a pedestal 10 that stands up from the center of the wide leg 9. A connector 5 is connected to the upper end of the pedestal 10 (that is, the end opposite to the end connected to the manifold leg 9).
The material constituting the support member 11 may be the same as that of the connector 5 and is not particularly limited.

  As described above, the chair 1 according to the first embodiment is a main body integrally provided with the seat portion 2S and the backrest portion 2B so as to form the seat 1S and the backrest 1B by being arranged adjacent to each other. A fixing member 3 that fixes the end face 2b, 2b of the member 2 and the adjacent main body members 2, 2 facing each other, a connecting tool 5 that connects the plurality of main body members 2, ..., 2 from the back side of the seat portion 2S; And a support member 11 that supports the connector 5.

In the chair 1 having the above-described configuration, the adjacent main body members 2 and 2 are independently fixed by the fixture 3. Therefore, at the time of work when changing the appearance of the chair 1, it is fixed between the main body member 2 of only the changed portion and the main body members 2 and 2 adjacent to the changed or replaced portion of the main body member 2 of only the changed portion. What is necessary is just to perform the attachment or detachment of the main body member 2 and the connection tool 5 of only the change part, and the attachment / detachment of the fixing tool 3 which exists. That is, when the appearance of the chair 1 is changed, there is no need to prepare a new fixture that matches the changed appearance as before, and the alignment of all the body members and the fixture 3 are not necessarily required during assembly work. It is not necessary to attach and detach. Therefore, according to the chair 1, the appearance can be arbitrarily changed by a simple operation, and the efficiency of the assembly operation can be improved.
Moreover, in the chair 1, while the end part 3x of the fixing tool 3 and the fixing tool insertion part 15 exist in the main body member 2, the connecting tool 5 is arrange | positioned at the back surface side of the seat part 2S, and it is fixing tool from the outside. 3 becomes inconspicuous, and the end 3x of the fixture 3, the fixture insertion portion 15, and the connector 5 are hidden from view. Therefore, the design of the chair 1 is improved.

  Further, in the chair 1 according to the first embodiment, the fixture insertion portion 15 is formed on the end surface 2b of the backrest portion 2B of the main body member 2, and at least the end portion 3x of the fixture 3 is inserted into the fixture insertion portion 15. Has been.

In the chair 1 having the above-described configuration, the adjacent main body members 2 and 2 are fixed independently by the fixture 3 inserted into the fixture insertion portion 15. Therefore, the attachment / detachment of the fixture 3 during the assembly operation is easily performed by aligning the fixture insertion portion 15 between the adjacent body members 2 and 2 and inserting / removing the fixture 3 with respect to the fixture insertion portion 15. Efficiency is promoted.
Moreover, in the chair 1, since the fixing tool 3 has a very simple shape, productivity is also improved.

  Moreover, in the chair 1 which concerns on 1st embodiment, the fixing tool 3 fixes backrest part 2B of the adjacent main body members 2 and 2, and the connection tool 5 has connected the seat part 2S of the main body member 2. FIG.

  In the chair 1 having the above-described configuration, the seat 2 </ b> S that receives a large load when the user is seated is firmly connected by the connector 5. Further, the position of the fixture insertion portion 15 during assembly work and the backrest portions 2B where the fixture 3 can be easily inserted and removed from the fixture insertion portion 15 are fixed independently by the fixture 3 inserted into the fixture insertion portion 15, respectively. Has been. Therefore, the strength of the entire chair 1 is easily ensured, and the efficiency of the assembly work is promoted.

  Moreover, in the chair 1 which concerns on 1st embodiment, the fixing tool insertion part 15 is made into the bottom in the width direction of the backrest part 2B.

In the chair 1 having the above-described configuration, the insertion depth of the fixture 3 is determined within a predetermined range by the depth of the fixture insertion portion 15 from the end surface 2 b of the main body member 2. When the user sits on the chair 1, the interval between the adjacent main body members 2 and 2 can be finely adjusted within the predetermined range in accordance with the shape of the back of the user. Therefore, the backrest 1B of the chair 1 can be bent, for example, in the direction of the arrow D4 shown in FIG. 4 and the direction orthogonal to the direction. As described above, the interval between the adjacent main body members 2 and 2 can be adjusted moderately and easily, and the assembling work can be made more efficient.
Further, the fixture 3 is not clearly noticeable from the outside, and the design is further improved.

  Moreover, in the chair 1 which concerns on 1st embodiment, the fixing tool insertion part 15 is formed in three places of the backrest part 2B.

  In the chair 1 provided with the said structure, the adjacent main body members 2 and 2 are reliably supported by fixing with the fixing tool 3 in two or more places of the backrest part 2B. The distance between the adjacent body members 2 and 2 can be flexibly changed in the height direction of the backrest portion 2B according to the body shape of the seated user, so that the backrest 1B of the chair 1 can be bent more smoothly and appropriately. It becomes. In this manner, the adjacent body members 2 and 2 are fixed at appropriate positions according to the shape of the backrest 1B, and the adjacent body members 2 are adjacent to each other by the same fixing tool 3 regardless of the number of the fixing tool insertion portions 15 formed. , 2 are fixed. Therefore, it is not necessary to prepare a new fixture in accordance with the change in the number of the fixture insertion portions 15 formed, and the manufacturability of the chair 1 is further improved.

  Moreover, in the chair 1 which concerns on 1st embodiment, the fixing tool 3 is comprised from the synthetic resin.

In the chair 1 having the above configuration, the chair 1 has various advantages depending on the characteristics of the synthetic resin constituting the fixture 3. For example, if the fixture 3 is made of a high-strength synthetic resin such as nylon, the distance between the body members 2 and 2 is firmly held, and therefore the shape of the seat 1S and the backrest 1B of the chair 1 is also strong. Retained. For example, if the fixture 3 is made of a synthetic resin such as POM having excellent elasticity, the distance between the main body members 2 and 2 varies more flexibly, so that the seat 1S and the backrest 1B of the chair 1 are more flexible. Bendable. Thus, the design freedom of the chair 1 improves because the fixture 3 is made of synthetic resin.
In particular, since POM is an inexpensive material that is widely used in general, the cost of the chair 1 can be reduced by configuring the fixture 3 from POM.

Next, a modification of the chair 1 of the first embodiment will be described.
FIG. 5 is a front view showing a part of a modified example of the chair 1 of the first embodiment, and corresponds to a case seen from the direction D1 shown in FIG. FIG. 6 is a top view showing a part of a modification of the chair 1 of the first embodiment, and corresponds to a case seen from the direction D2 shown in FIG. In the drawings shown in FIGS. 5 and 6, the same components as those of the chair 1 shown in FIGS. 3 and 4 are denoted by the same reference numerals, and the description thereof is omitted.

  In the modification of 1st embodiment, as shown in FIG.5 and FIG.6, the fixing tool insertion part 19 is formed in the end surface 2b of the backrest part 2B of the main body member 2. As shown in FIG. The fixture insertion part 19 is a through-hole penetrating the backrest part 2B in the width direction, and is open to both end faces 2b, 2b of the main body member 2. Suitable conditions for the number and position of the fixture insertion portions 19 are the same as those for the number and position of the fixture insertion portions 15.

An end portion 13x of the fixture 13 according to the modification of the first embodiment is formed so as to be insertable into a fixture insertion portion 19 formed in the main body member 2. In order to reliably prevent the fixture 13 from coming off the fixture insertion portion 19, it is preferable that a stopper 17 is provided near the center of the fixture 13.
As a material constituting the fixture 13, a synthetic resin excellent in strength and elasticity is suitable as in the material constituting the fixture 3 of the first embodiment. In addition, the raw material which comprises the fixing tool 13 is not limited to a synthetic resin.

The effect similar to the chair 1 of 1st embodiment is acquired also about the chair 1 of the modification of 1st embodiment.
In addition, the insertion depth of the fixture 13 is not particularly determined by changing from the bottomed fixture insertion portion 15 of the first embodiment to the fixed fixture insertion portion 19 of the modification of the first embodiment. If the stopper 13 is provided on the fixture 13 as described above, the insertion depth of the fixture 13 is determined within a predetermined range.

(Second embodiment)
Hereinafter, a second embodiment of the present invention (hereinafter simply referred to as “second embodiment”) will be described with reference to FIGS. 7 and 8.
FIG. 7 is a front view of a part of the chair (not shown) of the second embodiment, and corresponds to a case when viewed from the D1 direction shown in FIG. FIG. 8 is a top view of a part of the chair according to the second embodiment, and corresponds to a view seen from the direction D2 shown in FIG. 7 and 8, the same components as those of the chair 1 of the first embodiment shown in FIGS. 3 and 4 are denoted by the same reference numerals, and the description thereof is omitted.

  As shown in FIG. 8, the fixture 14 of 2nd embodiment is formed in the shape which extended the center part of the fixture 3 of 1st embodiment to the arrow D4 direction. The extended end face 14 s of the fixture 14 is positioned along the end face 2 s of the adjacent main body members 2, 2. An end portion 14 x of the fixture 14 is formed so as to be insertable into a fixture insertion portion 15 formed in the main body member 2.

The effect similar to the chair 1 of 1st embodiment is acquired also about the chair of 2nd embodiment.
Moreover, since the center part of the fixture 14 extends to a position along the end surface 2s of the main body member 2, the gap between the main body members 2 and 2 adjacent from the outside becomes less conspicuous, and the design is improved. On the other hand, by making the color or pattern of the fixture 14 different from the color or pattern or the like of the main body member 2, it is possible to create a chair design that takes advantage of the difference.

  In the second embodiment, a modification similar to that of the chair 1 of the first embodiment is conceivable if no inconvenience occurs during the assembly work of the chair. That is, you may change the fixture insertion part 15 of 2nd embodiment into the fixture insertion part 19 of the modification of 1st embodiment. In this case, the central portion of the fixture 14 serves as a stopper.

(Third embodiment)
Hereinafter, a third embodiment of the present invention (hereinafter simply referred to as “third embodiment”) will be described with reference to FIGS. 9 and 10.
FIG. 9 is a front view of a part of a chair (not shown) according to the third embodiment, and corresponds to a view seen from the direction D1 shown in FIG. FIG. 10 is a top view of a part of the chair according to the third embodiment, and corresponds to a view seen from the direction D2 shown in FIG. 9 and 10, the same components as those of the chair 1 of the first embodiment shown in FIGS. 3 and 4 are denoted by the same reference numerals, and the description thereof is omitted.

In the third embodiment, as shown in FIGS. 9 and 10, a fixture insertion portion 23 is formed on the end surface 2 b of the backrest portion 2 </ b> B of the main body member 2. The fixture insertion portion 23 is formed in a shape in which the fixture insertion portion 15 of the first embodiment is extended in the height direction of the backrest portion 2B and opened to the upper end surface 2t of the main body member 2.
From the viewpoint that the adjacent body members 2 and 2 are reliably supported and the interval between the body members 2 and 2 can be flexibly changed in the height direction of the backrest portion 2B, from the end surface 2b of the fixture insertion portion 23. Is preferably less than 50% of the length of the fixture 3 in the direction of arrow D5, for example.

  The fixture 16 of the third embodiment is formed in a shape in which the fixture 3 of the first embodiment is extended in the height direction of the backrest portion 2B in accordance with the shape of the fixture insertion portion 23. The extended upper end surface 16t of the fixture 16 is flush with the upper end surface 2t of the adjacent main body members 2 and 2.

The effect similar to the chair 1 of 1st embodiment is acquired also about the chair of 3rd embodiment.
Further, the fixture insertion portion 23 opens in the upper end surface 2t of the main body member 2, and extends in the height direction of the backrest portion 2B to a position where the fixture 16 is flush with the upper end surface 2t of the main body member 2. Thus, it becomes easier to insert / remove the fixture 16 into / from the fixture insertion portion 23, and the efficiency of the assembly work is further promoted.

As mentioned above, although the preferable form of this invention was explained in full detail, this invention is not limited to the said embodiment, In the range of the summary of this invention described in the claim, various deformation | transformation / change Is possible.
Moreover, in this invention, you may combine 2 or more among the said embodiment and its modification suitably.

  INDUSTRIAL APPLICABILITY The present invention is suitable for highly demanding chairs whose appearance can be changed according to the environment and requirements of the installation location.

  DESCRIPTION OF SYMBOLS 1 ... Chair, 1B ... Backrest, 1S ... Seat, 2 ... Body member, 2b ... End surface, 2B ... Backrest part, 2S ... Seat part, 3, 13, 14, 16 ... Fixing tool, 5 ... Connecting tool, 11 ... Support Member, 15, 19, 23 ... Fixture insertion part, D5 ... direction (width direction)

Claims (5)

A main body member integrally provided with a seat portion and a backrest portion so as to constitute a seat and a backrest by being arranged adjacent to each other;
A fixture that fixes end faces of the backrest portions of the adjacent body members facing each other;
A connector for connecting the rear surface side of the seat portion of the plurality of body members against only the seat,
A support member for supporting the connector;
A chair characterized by comprising: A fixture insertion portion into which the fixture is inserted is formed on at least one end surface of the backrest portion of the main body member,
  The chair according to claim 1, wherein the fixing member insertion portion is formed in at least two places of the backrest portion.   The chair according to claim 2, wherein the fixing member insertion portion is bottomed in a width direction of the backrest portion. The fixture insertion part penetrates the backrest part in the width direction,
Both end portions of the fixture are inserted into the fixture insertion portions of the backrest portions adjacent to each other,
The chair according to claim 2, wherein a stopper is provided near the center of the fixture. The chair according to any one of claims 1 to 4 , wherein the fixture is made of a synthetic resin.

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