KR20140025209A - A tilting chair - Google Patents

Abstract

A tilting chair of the present invention includes a chair body including a seat unit and a back unit; a body tilting unit which is joined to each of the seat unit and the back unit and which provides an elastic force when tilting the back unit; and an armrest tilting unit of which one end is joined to the back unit to be rotated and the other end is joined to the seat unit to be rotated and which provides the elastic force tilting the back unit. When tilting the back unit backward, the body tilting unit and the armrest tilting unit are integrated and provide the elastic force to the back unit at the same time. The elastic force of the armrest tilting unit is added to the elastic force of the body tilting unit joined to the lateral surface of the chair body so that the present invention can provide an excellent elastic force when a load is applied to the back unit by the back or a waist of one who is seated. Furthermore, the present invention can continuously provide the strong elastic force by the interaction of the body tilting unit and the armrest tilting unit, thereby improving durability and the reliability of the chair.

Description

Tilting chair {A tilting chair}

The present invention relates to a tiltable chair, and more particularly, a main body tilting part coupled to the chair body to provide an elastic force, one end of which is rotatably coupled to the seat back portion of the chair, and the other end of the seat to rotate the seat plate of the chair. The armrest tilting unit coupled to the present invention relates to a tiltable chair in which the operation of the body tilting unit and the armrest tilting unit may be linked to each other.

In general, the chair includes a seat plate portion and a backrest portion coupled to form a predetermined angle with the seat plate portion to support the seat of the seated person. The seat plate and the back plate are enclosed by an outer shell in which a cushion member such as a sponge is embedded, and a lot of structures are disclosed in which the back plate is tilted backward when the user tilts his back to stretch or the like.

Korean Patent Publication No. 2012-0084001 has been disclosed in the tilting method using a variety of components, such as the elastic body 130, the limit block 140, the limit rocker 150 in the tilting case 110, Publication No. 2002-0067772 discloses a tilting method using a torsion bar-shaped torsion bar 14 that is torsionally rotated, but the tilting chair according to the prior art has a complicated tilting method, which increases the number of parts, thereby manufacturing cost. There is a rising problem.

Therefore, in order to solve this problem, the tilting function is easily implemented to facilitate the operation of the seated occupant, and the demand for a chair capable of minimizing the number of parts and also improving the external aesthetics is increased.

The present invention for solving the above problems, the main body tilting portion is coupled to the chair body to provide an elastic force, and one end is rotatably coupled to the backrest portion of the chair and the other end is pivotally coupled to the seat plate portion of the chair It is an object of the present invention to provide a tiltable chair having a tilting unit, in which operations of the main body tilting unit and the armrest tilting unit can be interlocked with each other.

The tiltable chair of the present invention includes a chair body including a seat plate portion and a backrest portion, a body tilting portion coupled to the seatplate portion and the backrest portion, respectively, to provide an elastic force when the backrest portion is tilted, and one end of the backrest portion. It is rotatably coupled, the other end is rotatably coupled to the seat plate portion, and includes an armrest tilting portion for providing an elastic force for the backrest portion tilted, when the rear tilting of the backrest portion, the main body tilting portion and the armrest tilting portion It is interlocked to provide elastic force at the same time to the backrest.

The body tilting part may be coupled to both side surfaces of the seat plate part and the backrest part.

The main body tilting unit may include a first main body member coupled to the seat plate portion, a second main body member coupled to the backrest portion, and a connection between the first main body member and the second main body member, and a plurality of grooves are formed. It may include a body bend that can be bent.

The main body tilting part may further include a main body elastic body which is formed on the main body curved part and is compressed to provide an elastic force when the first main body member and the second main body member are bent around the main body curved part.

In addition, the armrest tilting portion is disposed on both sides of the chair body, the armrest tilting portion, the first armrest member having one end rotatably coupled to the seat plate portion, the second armrest member one end rotatably coupled to the backrest portion And an armrest curved portion connecting the first armrest member and the second armrest member and having a plurality of grooves to be bent.

In addition, the armrest tilting portion may protrude upward from the seat plate portion, so that the seated person can mount the arm.

The armrest tilting part may further include an armrest elastic body that is formed when the first armrest member and the second armrest member are bent around the armrest curved part and are compressed to provide an elastic force.

According to the tiltable chair of the present invention, by adding the elastic force of the armrest tilting part to the elastic force of the main body tilting part coupled to the side of the chair body, it is possible to provide excellent elastic force when a load is applied to the backrest part by the back or waist of the seated person. There is an advantage to that.

In addition, the tiltable chair of the present invention can continuously provide a solid elastic force for a long time due to the interlocking operation of the main body tilting unit and the armrest tilting unit has the advantage that the durability is improved, the reliability of the chair is improved.

In addition, since there is no need to separately provide an armrest, the manufacturing cost is reduced, and the appearance is simple and the aesthetics are improved.

In addition, since it is possible to manufacture through injection molding using a synthetic resin material, which is a relatively inexpensive and easily available material, there is an advantage that the process is simplified to reduce the manufacturing cost.

1 is a side view showing a combined state of the tiltable chair according to an embodiment of the present invention.
2 and 3 is an exploded perspective view showing a tiltable chair according to an embodiment of the present invention.
4 is a perspective view illustrating a body tilting part and an armrest tilting part according to an exemplary embodiment of the present invention.
5 is a reference diagram showing an operating state of the tiltable chair according to an embodiment of the present invention.
6 is a perspective view illustrating a body tilting part and an armrest tilting part according to another exemplary embodiment of the present invention.
7 is a perspective view illustrating a main body tilting unit and an armrest tilting unit according to another exemplary embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the drawings for describing a tiltable chair according to embodiments of the present invention.

1 is a side view showing a combined state of the tiltable chair according to an embodiment of the present invention, Figures 2 and 3 are exploded perspective view showing a tiltable chair according to an embodiment of the present invention, Figure 4 is a present invention A perspective view illustrating a body tilting part and an armrest tilting part according to an embodiment of the present disclosure.

1 to 4, the tiltable chair 100 according to an embodiment of the present invention includes a chair body 110, a body tilting unit 120, and an armrest tilting unit 130.

The chair body 110 includes a seat plate 111 that provides a space for a seated person and a seat back 112 on which the seated person can lean. The seat plate 111 is where the seat of the seat occupant is located, and the backrest 112 is the seat back or the back of the seat.

The chair body 110 is connected to the seat plate 111 and the backrest 112 at a predetermined angle to form an "L" shape, with the seat plate 111 and the backrest 112 connected to the center. Bending is possible. Referring to FIG. 3, the seat plate 111 and the backrest 112 are not integrally formed, and are connected to each other by a main body tilting part 120 to be manufactured separately. The material of the chair body 110 may be a hard material such as a synthetic resin material.

In addition, the chair body 110 may further include a cushion portion 113 to provide comfort and cushioning to the seated person. That is, the seat plate 111 and the backrest 112 of the chair body 110 serve as a frame of the chair, and the cushion portion 113 is the upper portion of the seatplate 111 and the front of the backrest 112. Is placed on. The cushion part 113 may be continuously disposed on the seat plate part 111 and the backrest part 112, or may be disposed separately. The cushion unit 113 may be any material as long as it provides a cushioning or elastic force, and preferably, may include cotton or foamed resin.

In addition, the lower portion of the chair body 110 further includes a leg 170 for supporting the chair body 110. Leg portion 170 is preferably coupled to the lower surface of the central portion of the seat plate 111. In addition, the length adjusting means 180 for adjusting the length of the leg portion 170 may be disposed between the leg portion 170 and the chair body 110, the length adjusting means 180 of the chair body 110 It is used to adjust the height.

On the other hand, the seat plate 111 and the backrest portion 112 of the chair body 110 are respectively coupled to the body tilting portion 120, that is, when the backrest portion 112 is tilted, that is, the backrest portion 112 tilts backwards When the body is tilted, the body tilting part 120 provides an elastic force to the backrest part 112.

That is, when the seated person sits on the seat plate part 111 and leans against the back or the back part 112 to apply a load, the back part 112 is inclined backwards, at which time the body tilting part 120 is the back part 112. ) Provides an elastic force in the opposite direction (forward) in the inclined direction, wherein the armrest tilting unit 130 to be described later is linked with the main body tilting unit 120 to provide an elastic force to the backrest 112 at the same time. do.

The main body tilting unit 120 is coupled to both side surfaces of the chair body 110, preferably both side plates 111 and both side surfaces of the backrest 112. That is, the main body tilting unit 120 has one region coupled to the seat plate portion 111 and the other region coupled to the backrest portion 112 to connect the seatplate portion 111 and the backrest portion 112 to each other.

The shape of the main body tilting part 120 has a shape corresponding to the side shape of the chair body 110, for example, a “B” shape. More preferably, it may have a structure bent in the front direction of the chair body (110).

Referring to FIG. 4, the body tilting unit 120 may include a first body member 121, a second body member 122, a body curved portion 123, and a body elastic body 151.

The first body member 121 is coupled to the side of the seat plate 111, and specifically, the first body member 121 may be formed to correspond to the side shape of the seat plate 111. In addition, the first body member 121 preferably has a sufficient length to provide a sufficient elastic force when the backrest portion 112 is tilted backward. The length of the first body member 121 may have a length substantially the same as the length of the seat plate 111. One end of the first body member 121 is connected to the body curved portion 123.

The second body member 122 is coupled to the side of the backrest 112, and specifically, the second body member 122 is preferably formed to correspond to the side shape of the backrest 112. In addition, it is preferable that the second body member 122 has a sufficient length to provide sufficient elastic force when the backrest portion 112 is tilted. The length of the second body member 122 may have a length shorter than that of the backrest 112. One end of the second body member 122 is connected to the body curved portion 123.

While the first body member 121 and the second body member 122 connect the seat plate portion 111 and the back portion 112 of the chair body 110 to each other, when the back portion 112 is tilted, the load of the seated person It is made of a material having a rigidity of sufficient size to withstand.

There is no limitation on the method of coupling the chair body 110 and the main body tilting unit 120, but may be coupled by the bolt 161 as shown in FIG. 2, and for this purpose, the first body member 121 and A bolt hole 127 is formed in the second body member 122, and a hole 115 to which the bolt 161 can be coupled is formed in the side surface of the chair body 110.

On the other hand, the body curved portion 123 is located at a portion where the backrest 112 and the seat plate 111 are connected, the body curved portion 123 is the first body member 121 and the second body member 122 at a predetermined angle The first body member 121 and the second body member 122 are connected to each other so that the first body member 121 and the second body member 122 have a bent shape.

A plurality of grooves 124 are formed on the protruding surface of the main body curved portion 123 to allow bending. That is, when the backrest part 112 is tilted backwards, the backrest part 112 and the second body member 122 move integrally, and at this time, a gap between the plurality of grooves 124 of the body curved part 123 is increased. It can be deformed while shrinking, providing an elastic force in itself.

On the other hand, the main body elastic body 151 is compressed when the first body member 121 and the second body member 122 is bent around the body curved portion 123 to provide an elastic force. The main body elastic body 151 may provide an elastic force in various ways, but the main body elastic body 151 may provide an elastic force by compressing a material having elasticity, for example, a rubber or synthetic resin material.

Referring to FIG. 4, the main body elastic body 151 includes a plurality of elastic pieces coupled to the plurality of grooves 124 formed on the protruding surface of the main body curved part 123. That is, the plurality of grooves 124 formed on the protruding surface of the main body curved part 123 are disposed in the longitudinal direction of the main body tilting part 120 at a predetermined distance apart from each other, and the plurality of elastic pieces 151 are the main body tilting part. 120 is inserted into the groove 124 opened in the opposite direction of the bending direction.

Accordingly, the first body member 121 and the second body member 122 are bent, thereby compressing the body elastic body 151 inserted into the body curved portion 123 to provide elastic force.

In addition to this, the main body elastic body 151 may be formed in various ways. For example, the main body elastic body 151 is composed of a plurality of elastic pieces as described above can be inserted and fixed in the groove 124 of the main body curved portion 123, but the main body tilting unit 120 and the double injection method It can be prepared as. That is, the first body member 121, the second body member 122, and the body curved portion 123 having a high melting point and a hard material are first injection molded, and the melting point is formed into the groove 124 of the body curved portion 123. The low main body elastic body 151 may be molded by double injection.

On the other hand, the armrest tilting unit 130 is coupled to the chair body 110 to provide an elastic force when the backrest portion 112 is tilted rearward, one end is rotatably coupled to the backrest portion 112, the other end is the seat It is rotatably coupled with the part 111. Therefore, the armrest tilting part 130 provides elastic force when the backrest part 112 is tilted. At this time, the armrest tilting part 130 is interlocked with the main body tilting part 120 to simultaneously support the elastic force on the backrest part 112. By providing a, it serves to reinforce the elastic force of the main body tilting unit (120).

Armrest tilting unit 130 is coupled to both sides of the chair body 110, and protrudes to the upper side of the seat plate 111, so that the arm of the seated person can be mounted. Specifically, one end of the armrest tilting unit 130 is rotatably coupled to the seat plate portion 111, the other end of the armrest tilting unit 130 is rotatably coupled to the backrest portion 112 to mount the arm of the seated person To help. Armrest tilting unit 130 is coupled to the side of the chair body 110, the shape of the armrest tilting unit 130 has a structure bent in the "L" shape.

Referring to FIG. 4, the armrest tilting unit 130 includes a first armrest member 131, a second armrest member 132, an armrest curved portion 133, and an armrest elastic body 152.

One end of the first armrest member 131 is rotatably coupled to a side of the seat plate 111. In addition, the first armrest member 131 is preferably rotatably connected to a central portion of the seat plate 111 to provide sufficient elastic force when the backrest portion 112 is tilted. Here, the portion of the first armrest member 131 that is rotatably connected to the seat plate portion 111 is not limited, for example, can be connected to the pivot member 140 formed on the lower end of the seat plate portion 111. have. In addition, although not shown in the drawings, the first body member 121 is coupled to the side surface of the seat plate portion 111, and one end of the first armrest member 131 penetrates through the first body member 121 so that the seat plate portion ( 111 may be rotatably connected.

The pivot member 140 may be an axis protruding laterally from the bottom center of the seat plate 111. The pivot member 140 is coupled to the pivot hole 136 formed at one end of the first armrest member 131. The other end of the first armrest member 131 is connected to the armrest curved portion 133.

One end of the second armrest member 132 is rotatably coupled to the side of the backrest portion 112. In addition, the second armrest member 132 is preferably rotatably connected to the central portion of the backrest 112 in order to provide sufficient elastic force when the backrest 112 is tilted. Here, the site where one end of the second armrest member 132 is rotatably connected to the backrest part 112 is not limited. For example, one end of the second armrest member 132 is directly connected to the backrest part 112. Rotatingly connected or as shown in the figure, it may be rotatably coupled to the second body member 122 coupled to the side of the back portion 112.

Referring to FIG. 4, in order for the second armrest member 132 to be rotatable with the backrest part 112, a pivot hole 135 is formed at one end of the second armrest member 132, and the pivot bolt 141 is formed. Through the pivot hole 135, it may be coupled to the second body member 122 or the backrest 112. The other end of the second armrest member 132 is connected to the armrest curved portion 133.

The first armrest member 131 and the second armrest member 132 are made of a material having sufficient rigidity to mount the arm of the seated person.

The armrest curved portion 133 connects the first armrest member 131 and the second armrest member 132 such that the first armrest member 131 and the second armrest member 132 form an angle, and the armrest curved portion 133 A plurality of grooves 134 are formed on the protruding surface of the armrest bending portion 133 itself. That is, when the rear tilting of the backrest part 112, the armrest tilting part 130 is interlocked with the main body tilting part 120 to provide an elastic force to the backrest part 112 at the same time, at this time of the armrest curved part 133 The gap between the plurality of grooves 134 may be reduced while being deformed to provide elastic force by itself.

Meanwhile, the armrest elastic body 152 is compressed when the first armrest member 131 and the second armrest member 132 are bent around the armrest curved portion 133 to provide elastic force. The armrest elastic body 152 may provide elastic force in various ways, but the armrest elastic body 152 may be provided with elastic force by compressing a material having elasticity, for example, rubber or synthetic resin material.

Referring to FIG. 4, the armrest elastic body 152 includes a plurality of elastic pieces coupled to the plurality of grooves 134 formed on the protruding surface of the armrest curved portion 133. That is, the plurality of grooves 134 formed on the protruding surface of the armrest curved portion 133 are formed to be spaced apart from each other by a predetermined distance, and the plurality of elastic pieces 152 are opposite to the direction in which the armrest tilting part 130 is bent. It is inserted into the groove 134 opened by the coupling.

Accordingly, while the first armrest member 131 and the second armrest member 132 are bent, the armrest elastic member 152 fitted to the armrest curved portion 133 is compressed to press the first armrest member 131 and the second armrest member. When 132 is bent, it provides an elastic force. In addition, since the first armrest member 131 is rotatably coupled with the seat plate portion 111, and the second armrest member 132 is movably coupled with the backrest portion 112, the backrest portion 112 is rearward. When inclined, it provides elastic force.

The armrest elastic body 152 may be formed in various ways. For example, the armrest elastic body 152 is composed of a plurality of elastic pieces as described above can be inserted and fixed in the groove 134 of the armrest curved portion 133, but the armrest tilting portion 130 and the double injection method It can be prepared as. That is, the first armrest member 131, the second armrest member 132, and the armrest curved portion 133 having a high melting point and a hard material are first injection molded, and the melting point in the groove 134 formed in the armrest tilting part 130. This low armrest elastic body 152 can be molded by double injection.

5 is a reference diagram showing an operating state of the tiltable chair according to an embodiment of the present invention.

Referring to FIG. 5, a solid line in FIG. 5 illustrates a state in which a seated person is not seated in the chair body 110, and a dotted line in a state in which the seated person is seated in the chair body 110 and leans back on the back 112. It is shown.

When the seated person is seated on the seat plate 111 to apply a load to the backrest portion 112, the backrest portion 112 is inclined backward, and the main body tilting portion 120 coupled with the chair body 110 is also deformed. . Due to the deformation of the main body tilting unit 120, compression is applied to the main body elastic body 151 to generate an elastic force.

At this time, the armrest tilting unit 130 which is coupled to the chair body 110 and rotatable, and interlocked with the main body tilting unit 120 is also deformed together. The deformation of the armrest tilting unit 130 is applied to the armrest elastic body 152, the elastic force is generated.

According to the tiltable chair according to the embodiment of the present invention as described above, when the rear tilting of the backrest 112, the main body tilting unit 120 and the armrest tilting unit 130 operates in conjunction with each other, the main body tilting An elastic force of the armrest tilting unit 130 having an armrest shape is added to the elastic force of the unit 120 to provide an excellent elastic force.

In addition, since the elastic force of the main body tilting unit 120 and the elastic force of the armrest tilting unit 130 can be used together, excellent elastic force can be continuously provided for a long time, and the structure is simple, and there is no fear of malfunction, thereby improving the reliability of the chair. There is an advantage.

 In addition, due to the interlocking operation of the main body tilting unit 120 and the armrest tilting unit 130, the durability of the tilting unit providing the elastic force is improved, and the armrest tilting unit 130 is used for the purpose of the armrest, and thus has a separate armrest There is also the advantage of reducing manufacturing costs.

In addition, the main body tilting unit 120 and the armrest tilting unit 130 has an advantage of providing a superior elastic force to the chair through a simple injection molding of a synthetic resin material, which is a relatively inexpensive and easily obtainable material, instead of a spring which is expensive to manufacture. .

6 is a perspective view illustrating a body tilting part and an armrest tilting part according to another exemplary embodiment of the present invention. Referring to FIG. 6, the tiltable chair 100 according to the present embodiment has a difference between the main body elastic body 151 and the armrest elastic body 152 compared with the embodiment of FIG. 1.

Specifically, the main body elastic body 151 is composed of a plurality of elastic pieces 151b and a support portion 151a that connects one end of the plurality of elastic pieces 151b to support the plurality of elastic pieces 151b.

The main body elastic body 151 is manufactured by separate injection molding through a separate injection molding, and is coupled to the plurality of elastic pieces 151b by fitting the plurality of grooves 124 formed on the protruding surface of the main body curved portion 123.

Similarly, the armrest elastic body 152 is also composed of a plurality of elastic pieces 152b and a support portion 152a that connects one end of the plurality of elastic pieces 152b to support the plurality of elastic pieces 152b, and is separately injected. After being manufactured as a separate product through molding, the plurality of elastic pieces 152b are coupled to the plurality of grooves 134 formed on the protruding surface of the armrest curved portion 133 by fitting.

Accordingly, the user can separate the main body elastic body 151 or the armrest elastic body 152 made of a separate body from the main body curved portion 123 or the armrest curved portion 133, and is required in a situation where a rigid tilting force or durability increase is required. According to the body elastic body 151 or the armrest elastic body 152 can be used by fitting to the combination there is an advantage that the user convenience is increased.

7 is a perspective view illustrating a main body tilting unit and an armrest tilting unit according to another exemplary embodiment of the present invention. The tiltable chair 100 according to the present embodiment has a configuration difference from the aforementioned embodiments in the groove 124 of the body curved portion 123 and the groove 134 of the armrest curved portion 133.

Referring to FIG. 7, a plurality of grooves 124 are formed on the protruding surface of the body curved portion 123, and partition walls 124a are formed between neighboring grooves 124, and a lower end of the partition walls 124a is formed. The protrusion 124b is formed laterally.

Looking at the tilting method according to the structure of the groove 124 as described above, during the rear tilting of the backrest portion 112, the backrest portion 112 and the second body member 122 moves integrally with the plurality of grooves 124. The spacing between the two is reduced, thereby bending the body curved portion 123 to provide an elastic force by itself.

In this case, in the above-described embodiments, if an excessive load is transmitted to the backrest 112, the plurality of grooves 124 are completely in close contact with each other when the backrest 112 is tilted, resulting in an excessively large tilting angle. In addition, when a large load is continuously applied, the strength of the body curved portion 123 is weakened, which causes a problem of deterioration in durability.

Therefore, in the present embodiment, by forming the protrusion 124b laterally at the lower end of the partition wall 124a formed between the neighboring grooves 124, when an excessive load is transmitted to the backrest 112, the adjacent protrusions ( 124b) come into contact with each other, thereby limiting the tilting angle of the backrest 112.

The barrier ribs 124a and the protrusions 124b may be formed in the main body curved portion 123 of the main body tilting part 120, but referring to FIG. 7, the armrest curved portion 133 of the armrest tilting part 130 may also be formed. The partition 134a and the protrusion 134b may be formed, thereby reinforcing a limiting function of the tilting angle of the backrest 112. In addition, although not shown, the main body elastic body 151 or the armrest elastic body 161 is coupled to the plurality of grooves 124 and 134 by a method such as an insertion or a double injection, so that the backrest portion 112 is pressed during the tilting. To provide elastic force.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: tiltable chair 110: chair body
111: seat plate portion 112: backrest portion
113: cushion portion 120: main body tilting portion
130: armrest tilting unit 140: pivot member
141: pivot bolt 151: main body elastic body
152: armrest elastic body 170: leg portion

Claims (16)

A chair body including a seat plate portion and a backrest portion;
A main body tilting part coupled to the seat plate part and the backrest part and providing an elastic force when the backrest part is tilted; And
One end is rotatably coupled with the backrest portion, the other end is rotatably coupled with the seat plate portion, and includes an armrest tilting portion that provides an elastic force to tilt the backrest portion,
When the rear tilting of the backrest, the tiltable chair, characterized in that the main body tilting unit and the armrest tilting unit is interlocked with each other to provide an elastic force at the same time to the backrest unit. The method according to claim 1,
And the main body tilting part is coupled to both side surfaces of the seat plate part and the backrest part. The method according to claim 2,
The main body tilting unit,
A first body member coupled to the seat plate portion;
A second body member coupled to the backrest portion; And
And a main body curved portion which connects the first main body member and the second main body member to form a plurality of grooves and which can be bent. The method of claim 3,
The main body tilting unit,
And a main body elastic body which is formed on the main body curved portion and is compressed to provide an elastic force when the first main body member and the second main body member are bent around the main body curved portion. The method of claim 4,
And the main body elastic body includes a plurality of elastic pieces coupled to a plurality of grooves formed in the protruding surface of the main body curved portion. The method of claim 4,
And the main body elastic body is manufactured by injection molding the first main body member, the second main body member, and the main body curved part, and then double injection molding on the main body curved part. The method of claim 4,
The body elastic body,
It consists of a plurality of elastic pieces and a support portion for connecting the one end of the plurality of elastic pieces to support the plurality of elastic pieces,
The plurality of elastic pieces are tiltable chairs, characterized in that coupled to the groove formed in the groove formed in the curved portion. The method of claim 3,
The armrest tilting unit is disposed on both sides of the chair body,
The armrest tilting unit,
A first armrest member having one end rotatably coupled to the seat plate;
A second armrest member having one end rotatably coupled to the backrest portion; And
Tilt-able chair, characterized in that for connecting the first armrest member and the second armrest member, a plurality of grooves are formed to be bent armrest bend. The method according to claim 8,
The armrest tilting portion protrudes upward from the seat plate portion, the tiltable chair characterized in that the seat is formed so as to mount the arm. The method according to claim 8,
The armrest tilting unit,
And a armrest elastic body that is formed in the armrest curved portion and is compressed to provide an elastic force when the first armrest member and the second armrest member are bent around the armrest curved portion. The method of claim 10,
The armrest elastic body is a tiltable chair, characterized in that it comprises a plurality of elastic pieces coupled to a plurality of grooves formed in the projecting surface of the armrest curved portion. The method of claim 10,
And the armrest elastic body is manufactured by injection molding the first armrest member, the second armrest member, and the armrest curved portion, and then injection molding on the armrest curved portion. The method of claim 10,
The armrest elastic body,
It consists of a plurality of elastic pieces and a support portion for connecting the one end of the plurality of elastic pieces to support the plurality of elastic pieces,
The plurality of elastic pieces are tiltable chairs, characterized in that coupled to the groove formed in the armrest curved portion. The method according to claim 8,
A lower end of the seat plate further includes a pivot member pivoted with the first armrest member,
And the first armrest member is rotatably connected to the pivot member. The method according to claim 8,
And the second armrest member is rotatably coupled to one end of the second body member coupled to the backrest portion. The method of claim 3,
And a protrusion formed laterally at a lower end of the partition wall between the plurality of neighboring grooves to limit the tilting angle of the backrest part.

Images