KR101476621B1 - Chair with integrated back - Google Patents

Abstract

According to an embodiment of the present invention, there is provided a chair comprising a backrest part and an armrest part extending forwardly and coupled to the backrest part, Back plate cell; A lower frame having a seat plate support portion and an upper arm support portion coupled to the seat plate support portion; And an armrest block disposed between the armrest portion and the armrest supporting portion, wherein the integral backrest cell is inclined relative to the lower frame.

Description

[0001] CHAIR WITH INTEGRATED BACK [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair, and more particularly, to a chair provided with an integral backrest cell capable of simultaneously adjusting positions of an armrest and a backboard.

In general, the chair comprises a seat plate, a back plate coupled to one side of the seat plate, and a leg coupled to a lower side of the seat plate, and includes an armrest that is coupled to the seat plate or back plate to support a user's arm, And a headrest coupled to the user's head to support the user's head.

At this time, it is necessary to adjust the position of the armrest or the back plate according to the user's body condition in the chair. However, since the conventional chair is configured such that the position of the armrest and the back plate is fixed or the position of the armrest and the back plate is adjusted, the user's demand can not be sufficiently satisfied. Therefore, conventionally, it has been impossible to adjust the positions of the armrests and the backboards optimized for the user's body by trial and error.

Especially, it is very important for children and adolescents to adjust their position before and after the back plate and the upper and lower positions of the armrests. If the back plate is far from the back position, the user can not lean back and the upper body may be bent forward, and if the back plate is to be leaned against, it may become a buried posture and put a strain on the back. Therefore, in the case of a small user, the back plate should be lowered at the same time while lower armrests should be lowered. In the case of a larger user, the back plate should be raised upward and the armrest should be raised.

According to the conventional chair, it was impossible to adjust the position of the back plate, or a complicated structure was required to adjust the position of the back plate. Also, according to the conventional chair, it was impossible to adjust the position of the armrest, or a complicated structure was required to adjust the position of the armrest. Especially for children and adolescents, it is difficult to control the position of the backboard and the armrest at the same time by adjusting the position of the back and forth of the backboard and the upper and lower positions of the armrest at the same time.

Korean Utility Model Registration No. 20-0450550 (2010.10.05) Korean Utility Model Registration No. 20-0336009 (2003.12.03)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a chair having a simple and compact structure capable of simultaneously adjusting the position of an armrest and a back plate.

According to a preferred embodiment of the present invention, an integrated backboard cell having a backrest portion and an armrest portion coupled to the backrest portion and extending forward; A lower frame having a seat plate support portion and an upper arm support portion coupled to the seat plate support portion; And a lower plate of the armrest portion and an upper end of the armrest supporting portion are formed to be inclined corresponding to each other so that the integral back plate cell The chair is provided with an integrated backboard cell characterized in that the chair is inclined relative to the lower frame.

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At this time, a first rail is installed on one side of the armrest supporting part, and a second rail corresponding to the first rail is installed on one side of the backing block.

In addition, a first rail may be provided on one side of the armrest supporting portion, and a moving roller may be provided on one side of the backing block to be coupled to the first rail.

Meanwhile, the armrest supporting part includes a fixing part supported by an elastic body, and the fixing part is supported by any one of a plurality of fixing hole receiving grooves provided in the backing block.

Further, the apparatus may further include a fixing lever for fixing the armrest portion to the armrest supporting portion.

In this case, it is preferable that a lever coupling hole is provided in the armrest portion, a plurality of lever receiving grooves are provided in the armrest supporting portion, and a lever shaft portion of the fixing lever is inserted into any one of the plurality of lever- do.

At this time, it is preferable that a lever separation prevention pin for preventing the fixing lever from being detached from the armrest portion is provided at one side of the lever engagement hole.

A spring for elastically supporting the fixing lever to the outside of the armrest portion may be interposed in the lever shaft portion.

Meanwhile, an insert nut may be provided on one side of the backing block to which the lever shaft portion is coupled.

The inclined moving angle of the integral type back plate cell with respect to the lower frame is preferably 30 to 60 degrees with respect to the ground.

The chair provided with the integral back plate cell according to the embodiment of the present invention can provide a simple and compact structure in which the position of the armrest and the back plate can be simultaneously adjusted.

In particular, in the case of children and adolescents, the front and rear positions of the back plate and the upper and lower positions of the armrests can be coordinated with each other at the same time so that the user can maintain an appropriate sitting posture. Therefore, it is possible to provide the user with an excellent feeling of sitting, and prevent problems such as vertebral deformation due to a wrong posture.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a chair provided with an integral backboard cell according to an embodiment of the present invention; FIG.
FIG. 2 is a side view showing a use state of a chair provided with an integral back plate cell according to an embodiment of the present invention; FIG.
3 is an exploded perspective view of a chair having an integral backboard cell according to an embodiment of the present invention;
4 is a partially enlarged perspective view showing the backboard block and the armrest supporting portion of Fig. 3;
Fig. 5 is a sectional view showing an inclined surface between the armrest supporting portion and the armrest portion of Fig. 3; Fig.
6 is a cross-sectional view illustrating engagement of a first rail and a roller according to another embodiment of the present invention;
FIG. 7 is a partially enlarged perspective view of the armrest portion and the fixing lever of FIG. 3;
8 is a cross-sectional view of the armrest support and the securing lever of Fig. 3;
9 is a cross-sectional view showing an example in which an insert nut is inserted into a through hole of a block engaging portion according to another embodiment of the present invention.
Fig. 10 is an exploded perspective view of the backrest of Fig. 3; Fig.
11 is a sectional view showing a state in which the backboard cushion of Fig. 10 is coupled to the backrest.
12 is a sectional view showing a state in which a backboard cushion is coupled to a backrest according to another embodiment of the present invention.
13 is a sectional view showing a state in which a backboard cushion is coupled to a backrest according to another embodiment of the present invention.
14 (a) is a plan view of the snap shown in Fig. 13; Fig.
14 (b) is a perspective view of the snap shown in Fig. 13;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "coupled" with another part, it includes not only a case where it is " directly coupled ", but also a case where it is "indirectly coupled " . Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a chair provided with an integral backboard cell according to an embodiment of the present invention, FIG. 2 is a side view showing a state of use of a chair provided with an integral backboard cell according to an embodiment of the present invention, FIG. 6 is an exploded perspective view of a chair provided with an integral backboard cell according to an embodiment of the present invention. FIG.

1, a chair (hereinafter, referred to as 'chair') 1 having an integral back cover cell according to an embodiment of the present invention includes an integral back cover cell 10, (Not shown).

The chair 1 further includes a leg portion 30 coupled to the lower side of the lower frame 20, a backrest cushion 40 coupled to one side of the integral backrest cell 10 to support the back region of the user, And a seat cushion 50 provided on the upper side of the seat cushion 20 to support the user's buttocks.

As shown in FIG. 2, the integral backlit cell 10 is inclined relative to the lower frame 20, and a detailed description thereof will be described later.

As shown in FIG. 3, the integral backlit cell 10 may include a backrest 11 and a pair of armrests 12 extending forward from both sides of the backrest 11.

In the present invention, the term "integral backlash cell" means a member in which a backrest portion 11 capable of supporting the user's back and an armrest portion 12 capable of supporting the user's arms are coupled to each other. The backrest portion 11 and the armrest portion 12 do not have to be made of a single structure. In addition, the integral backlit cell 10 may be integrally or separately coupled to other elements such as a waist support (lumbar support).

The lower frame 20 may include a seat support 21 and a pair of armrest supports 22 extending upward from both sides of the seat support 21.

At this time, a seat or a seat cushion 50 can be coupled to the upper side of the seat support 21, and the seat support 22 can be inclined with respect to the armrest 12 of the seat back support 10.

To this end, a backboard block 60 is disposed between the armrest portion 12 of the integral backlit cell 10 and the armrest supporting portion 22 of the lower frame 20. [

At this time, the backing block 60 can be fixed to the armrest portion 12 by being inserted into an opening (not shown) formed below the armrest portion 12 of the integral backrest shell 10, for example.

Since the lower end of the armrest portion 12 of the integral backlit cell 10 and the upper end of the armrest supporting portion 22 of the lower frame 20 are inclined corresponding to each other, As shown in Fig.

That is, as shown in FIG. 2, the integral back cover cell 10 can move in the A direction and the B direction with respect to the fixed lower frame 20. By this inclined movement, the backrest part 11, The vertical position and the front-rear position of the seat 12 can be adjusted simultaneously.

For example, when the integral backlit cell 10 moves in the A direction with respect to the lower frame 20, the backrest portion 11 is lowered and moved forward (that is, the user's buttocks can be supported The area becomes smaller), and at the same time, the armrest portion 12 is also lowered. On the other hand, when the integral backlit cell 10 moves in the direction B with respect to the lower frame 20, the backrest 11 becomes higher and moves backward (that is, the area where the user's buttocks can be supported , And at the same time, the armrest portion 12 also becomes higher.

Therefore, it is possible to provide a chair 1 having a simple and compact structure that can simultaneously adjust the positions of the backrest part 11 and the armrest part 12. [ In addition, the user can maintain a proper sitting posture, and problems such as vertebral deformation due to a wrong posture can be prevented.

On the other hand, if the angle of tilting of the integral backlit cell 10 with respect to the lower frame 20 is too large or too small, the meaning of simultaneously adjusting the positions of the backrest 11 and the armrests 12 can be reduced, As a result, the user can not provide a proper seating feeling. In particular, the depth of the back plate and the height adjustment ratio of the armrest to the growth rate of the child are about 1: 1.

Therefore, it is preferable that the inclined movement angle of the integral backlit cell 10 with respect to the lower frame 20 is 30 to 60 degrees with respect to the ground. If the inclined movement angle is less than 30 degrees, The height of the backrest portion 11 is not easily adjusted. If the angle of inclination is larger than 60 degrees, the depth of the backrest portion 11 is not easily adjusted.

FIG. 4 is a partially enlarged perspective view showing the backboard block and the armrest supporting portion of FIG. 3, and FIG. 5 is a sectional view showing an inclined surface between the armrest supporting portion and the armrest portion of FIG.

4, an upper coupling portion 220 is formed on one side of the upper end of the armrest supporting portion 22 of the lower frame 20, and a lower coupling portion 220 is formed on one side of the upper coupling portion 220, A groove 221 is formed.

The upper coupling portion 220 of the lower frame 20 is coupled to the receiving groove 63 of the backing block 60 and the receiving groove 221 of the lower frame 20 is coupled to the backing block 60 are correspondingly coupled to each other.

5, a plurality of lever accommodating grooves 222, a bolt accommodating groove 223, and an elastic body accommodating groove 224 are provided in the upper side engaging portion 220. As shown in FIG. The elastic member 24 and the fixing member 25 may be inserted into the elastic member receiving groove 224. The elastic member 24 may be a coil spring and the fixing member 25 may be an iron ball.

The fixing port separation preventing frame 26 is fixed to the upper coupling portion 220 of the armrest supporting portion 22 through the bolts 23 in a state where the elastic body 24 and the fixing hole 25 are accommodated in the elastic receiving groove 224 do.

One side of the outer peripheral surface of the fixing member 25 is elastically supported by the elastic body 24 and protrudes outward through a hole formed in the fixing member separation preventing frame 26. One side of the outer peripheral surface of the protruding fixing member 25, The block 60 is supported by any one of a plurality of fixture receiving grooves 65 provided in, for example, a wedge shape.

Therefore, when the integral backlit cell 10 slides relative to the lower frame 20, the fixture 25 moves inward against the elastic force of the elastic body 24 by the contact pressure with the backing block 60 , And then the fastener (25) reaches the new fastener receiving groove (65). In this way, the integral backlash cell 10 can be fixed in a predetermined position with respect to the lower frame 20 in a stepwise manner (in which the number of steps is fixed according to the number of the fastener receiving grooves).

On the other hand, the backing block 60 includes a block body portion 61 and a block engaging portion 62 coupled to one side of the lower end of the block body portion 61 in a " Receiving grooves 63 are formed at one side of the receiving groove 63. [ The block coupling portion 62 and the receiving groove 63 of the backing block 60 are coupled with the receiving groove 221 and the upper coupling portion 220 of the lower frame 20 in correspondence with each other .

The upper engaging portion 220 of the armrest supporting portion 22 and the block engaging portion 62 of the backing block 60 can be slidably coupled to each other by the moving rail 70.

The movable rail 70 includes a first rail 71 and a second rail 72 which are movably coupled to each other. The first rail 71 is connected to the upper coupling portion 220, (72) may be fixed to the block coupling portion (62), respectively. As a result, the backing block 60 is movably coupled to the armrest supporting portion 22.

6 is a cross-sectional view illustrating the engagement of the first rail and the roller according to another embodiment of the present invention.

The backrest block 60 is supported by the armrest supporting portion 62 by the first rail 71 fixed to the upper coupling portion 220 and the second rail 72 fixed to the block coupling portion 62. [ Lt; RTI ID = 0.0 > 22 < / RTI >

6, instead of the second rail 72, a moving roller 73 may be provided at one side of the block engaging portion 62, and at this time, The roller 73 is rotatably coupled to the rail groove of the first rail 71 and the rotating shaft 74 of the moving roller 73 is coupled to one side of the block engaging portion 62.

Thus, when the moving roller 73 moves while rotating along the first rail 71, the integral back plate cell 10 is slid with respect to the armrest supporter 22 of the lower frame 20 together with the back plate block 60 It is moving.

FIG. 7 is a partially enlarged perspective view of the armrest portion and the fixing lever of FIG. 3, and FIG. 8 is a sectional view of the armrest supporting portion and the fixing lever of FIG.

7, a cylindrical shaft support portion 13 is protruded from the outside of the armrest portion 12, and a fixing lever 80 (not shown) inserted through a lever engagement hole 14 provided in the shaft support portion 13 Is engaged with the backing block 60 and the armrest supporting portion 22 to fix the armrest portion 12 to the armrest supporting portion 22. [

8, the fixed lever 80 includes a lever receiving portion 81 which the user holds and manipulates, and a lever shaft portion 82 projected from the lever receiving portion 81. [

A stepped portion may be formed in the intermediate portion of the lever shaft portion 82 so that the diameter of the lever shaft portion 82 is reduced. When the end of the later described lever deviation preventing pin 90 is inserted into the stepped portion, (12).

The lever shaft portion 82 of the fixed lever 80 has its end portion fixed to the lever engagement hole 14 of the shaft support portion 13, the through hole 64 of the block engagement portion 62, The engaging hole 27 of the arm support portion 22 and the lever receiving groove 222 of the arm support portion 22. [

At this time, a male screw thread is formed at the end of the lever shaft portion 82 and a female thread is formed in the engaging hole 27 of the fastener separation preventing frame 26 so that the lever shaft portion 82 is engaged with the fastener separation preventing frame 26 And it is also possible to form a female thread in the lever receiving groove 222 and screw it.

On the other hand, a pin engagement groove 15 may be formed on one side of the shaft support portion 13. A lever separation prevention pin 90 may be inserted through the pin engagement groove 15, Is inserted into the step formed at the middle portion of the lever shaft portion 82 and is engaged. That is, the moving distance of the lever shaft portion 82 is limited by the lever deviation preventing pin 90 which is caught by the step of the lever shaft portion 82. [

A spring 83 may be disposed between the fixed lever 80 and the shaft support portion 13 to provide an elastic force to the fixed lever 80 in the outward direction of the armrest portion 12, (82) of the lever shaft portion (80).

Accordingly, when the lever shaft portion 82 of the fixing lever 80 is screwed into the engaging hole 27 of the fixture separation preventing frame 26, the armrest portion 12, the armrest supporting portion 22 and the backing block 60 Respectively.

Thereafter, when the lever shaft portion 82 of the fixed lever 80 is detached from the engaging hole 27 of the fixture separation preventing frame 26, the elastic force of the spring 83 causes the lever portion 81 of the fixed lever 80 So that the armrest supporting portion 22 is freely movable with respect to the backrest block 60 and the armrest portion 12. The armrest supporting portion 22 can be freely moved with respect to the backrest block 60 and the armrest portion 12, At this time, since the end portion of the lever departure prevention pin 80 is caught by the step of the lever shaft portion 82, the fixing lever 80 can be prevented from being detached from the armrest portion 12.

When the armrest supporting portion 22 is thus freely movable with respect to the backing block 60 and the armrest portion 12, the user can tilt the armrest portion 12 relative to the armrest supporting portion 22, As described above with reference to Fig.

9 is a cross-sectional view illustrating an example in which an insert nut is inserted into a through hole of a block coupling portion according to another embodiment of the present invention.

According to another embodiment of the present invention, an insert nut 66 is interposed in the through hole 64 of the block engaging portion 62 as shown in Fig.

Therefore, even if the lever shaft portion 82 of the fixed lever 80 is detached from the engaging hole 27 of the fixture separation preventing frame 26, since the end portion of the lever shaft portion 82 is screwed to the insert nut 66, It is possible to prevent the lever 80 from shaking or departing.

The insert nut 66 also has an effect of facilitating the assembly of the fixed lever 80 by guiding the direction of engagement of the lever shaft portion 82. 7 and 8, it is possible to prevent the detachment of the fixed lever 80. If necessary, a spring (not shown) may be attached to the outer circumferential surface of the lever shaft portion 82. In this case, 83 may be interposed.

FIG. 10 is an exploded perspective view of the backrest of FIG. 3, and FIG. 11 is a cross-sectional view of the backrest cushion of FIG. 10 coupled to the backrest.

10, the backrest cushion 40 can be detachably coupled to the backrest portion 11 of the integral back cover cell 10. [ Referring to FIG. 11, the coupling structure of the backrest 11 and the backboard cushion 40 will be described.

The backrest part 11 of the integral type backlit cell 10 is provided with a protruding part 110 protruding forward and a bolt receiving groove 111 is formed in the protruding part 110.

A magnetic body M such as a permanent magnet can be fixed to the front of the protrusion 110 by means of the bolt 112. The main body 41 of the backing cushion 40 is provided with a protrusion 110 corresponding to the protrusion 110, (42) may be provided. The engaging member 42 may be a metal piece that can be engaged with the magnetic body M, and the metal piece may be attached to one side of the backing cushion 40 by insert injection. Alternatively, the coupling member 42 may be a magnetic body.

The backing cushion 40 may further include a cushion part 43 made of a material such as a fabric, leather, or resin so as to provide a seating feeling to the user. At this time, Or encloses the main body 41.

Thus, the backrest cushion 40 can be detachably coupled to the integral backrest shell 10, thereby improving the seating feeling of the user and enhancing the convenience of washing and cleaning at the time of contamination of the backrest cushion 40.

Although the magnetic body M is provided on the backrest 11 and the coupling member 42 is provided on the backrest cushion 40 in the above description, the coupling member is provided on the backrest 11, It is of course possible to provide a magnetic body in the backing cushion 40.

12 is a cross-sectional view illustrating a backboard cushion coupled to a backrest according to another embodiment of the present invention.

Another embodiment of the present invention shown in FIG. 12 is similar to the above-described embodiment in that the backing cushion 40 is detachably coupled to the backrest 11 by the magnetic body M, There is a difference in that a fastening hole 421 is formed in the side wall 42.

At this time, when the magnetic body M is attached to the coupling member 42 of the backing cushion 40 body 41, the bolt 112 is inserted into the bolt receiving groove 111 through the coupling hole 421, So that the backing cushion 40 can be coupled to the backrest 11.

11, the coupling member 42 of the main body portion 41 of the backing cushion 40 is attached to the magnetic body M in a state where the magnetic body M is fixed to the protrusion 110 It is also possible to do. In this case, since the position of the magnetic body M can be confirmed through the fastening hole 421, it is possible to accurately and easily attach the backboard cushion 40 to the backrest portion 11. [

A washer 113 may be interposed between the protrusion 110 and the magnetic body M for magnetic force enhancement. The washer 113 may be applied to the embodiment described above with reference to FIG. 11 to be.

Fig. 13 is a sectional view showing a state in which a backboard cushion is coupled to a backrest according to another embodiment of the present invention, Fig. 14 (a) is a plan view of the snap shown in Fig. 13, Fig. 3 is a perspective view of the snap shown in Fig.

According to another embodiment of the present invention shown in Fig. 13, the backboard cushion 40 is detachably coupled to the backrest portion 11 by the snap 100. Fig.

At this time, the backrest part 11 of the integral type back cover cell 10 is provided with the protruding part 110 projected forward and the cylindrical snap 100 is fixed to the front of the protruding part 110 by the bolt 112.

The main body 41 of the backing cushion 40 may be provided with a coupling member 42 having a coupling hole 421 formed in correspondence with the projection 110. When the coupling 100 is inserted into the coupling hole 421, The back cushion 40 and the backrest portion 11 are engaged with each other.

14 (a) and 14 (b), the snap 100 includes a cylindrical body 101 having a hollow as a whole, and a cylindrical body 101 which is formed to protrude outward along the rim of the upper end of the body 101 And a plurality of cutting grooves 105 are formed at predetermined intervals in the engaging portions 103 so that the engaging portions 103 can be elastically deformed.

A bolt support 107 for supporting the head of the bolt 112 is formed on the bottom surface of the body 101 along a hollow rim.

The assembly of the backboard cushion according to another embodiment of the present invention is performed as follows.

First, the bolt 112 is used to fasten the snap 100 to the protrusion 110, at which time the head of the bolt 112 is supported by the bolt support 107 of the snap 100.

The backing cushion 40 is pressed in the direction of the backrest portion 11 so as to engage the engaging portion 103 of the snap 100 after the backing cushion 40 is positioned so that the engaging member 42 is opposed to the snap 100, (421) of the engaging member (42).

The engaging portion 103 is elastically deformed and inserted into the engaging hole 421 and the engaging portion 103 is inserted into the engaging hole 421 through the engaging hole 421. In this case, since the outer peripheral surface of the engaging portion 103 has a gently convex curved surface, The lower surface engaging portion 103 is elastically supported on the rim of the fastening hole 421.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

1: Chair
10: integral type back plate cell 11:
12: armrest portion 20: lower frame
21: seat plate supporting portion 22: armrest supporting portion
24: elastic body 25: fastener
26: Fixture detachment preventing frame 30:
40: backrest cushion 41:
42: coupling member 50: seat cushion
60: backing block 61: block body part
62: block coupling portion 70: rail
71: first rail 72: second rail
73: Moving roller 80: Fixing lever
81: lever lever 82: lever shaft
90: Lever release prevention pin 100: Snap

Claims (11)

An integral backrest cell (10) having a backrest (11) and an armrest (12) extending forwardly coupled to the backrest (11);
A lower frame (20) having a seat support (21) and an upper armrest support (22) coupled to the seat support (21); And
(60) having one side fixed to the armrest part (12) and the other side slidably coupled to the armrest supporting part (22)
The lower end of the armrest portion 12 and the upper end of the armrest supporting portion 22 are formed to be inclined corresponding to each other,
Wherein the integral back plate cell (10) is inclined relative to the lower frame (20).
delete The method according to claim 1,
A first rail 71 is installed on one side of the armrest supporter 22 and a second rail 72 is provided on a side of the backboard block 60 to be coupled to the first rail 71 Wherein the seat is provided with an integral reburn cell.
The method according to claim 1,
A first rail 71 is provided on one side of the armrest supporter 22 and a moving roller 73 is provided on one side of the backboard block 60 to be coupled with the first rail 71. [ A chair having an integral back panel cell.
The method according to claim 1,
The armrest supporter 22 includes a fixture 25 supported by an elastic body 24 and the fixture 25 is fixed to one of a plurality of fixture hole receiving grooves 65 provided in the backplate block 60 Wherein the seat back is supported by the seat back.
The method according to claim 1,
Further comprising a fixing lever (80) for fixing the armrest part (12) to the armrest supporting part (22).
The method of claim 6,
The armrest portion 12 is provided with a lever engaging hole 14 and the armrest supporting portion 22 is provided with a plurality of lever receiving grooves 222. The lever shaft portion 82 of the fixing lever 80 Is inserted into one of the plurality of lever receiving grooves (222) through a lever coupling hole (14).
The method of claim 7,
A lever release preventing pin (90) for preventing the fixing lever (80) from being detached from the armrest (12) is provided at one side of the lever fitting hole (14). chair.
The method of claim 7,
Wherein the lever shaft portion (82) is provided with a spring (83) for elastically supporting the fixing lever (80) to the outside of the armrest portion (12).
The method of claim 7,
And an insert nut (66) to which the lever shaft portion (82) is coupled is provided at one side of the backing block (60).
The method according to claim 1,
Wherein the angle of inclination of the integral back plate cell (10) with respect to the lower frame (20) is 30 ° to 60 ° with respect to the ground surface.

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