KR102232904B1 - Folding chair with sliding seat - Google Patents

Abstract

The present invention relates to a foldable chair with a sliding seat plate. More specifically, the foldable chair with a sliding seat plate having a new shape enables a seat plate to be slid toward a front side by repulsive power of pushing force when a user intends to take a comfortable posture while pushing a backrest unit, thereby allowing the user to more comfortably rest than existing foldable chairs and guiding the user to comfortably sit and do waist exercise to be appropriate for a body condition of the user.

Description

Folding chair with sliding seat {Folding chair with sliding seat}

The present invention relates to a folding chair having a sliding seat, and more specifically, when the user wants to take a comfortable posture while pushing the backrest, the seat plate slides in the forward direction by the repulsive force of the back pushing force. The present invention relates to a folding chair having a new type of sliding seat so that not only can rest more comfortably than the existing folding chairs, but also induce comfortable seating according to the physical condition of the user and at the same time perform waist movement.

In general, a chair supports a user's back and buttocks to support a user's back and buttocks, so that they can comfortably take a work or a break, and a seat plate that supports the user's buttocks, a back support that supports the user's back, and the seat plate. And a leg portion supporting the backrest portion.

In addition, the seat plate part or the backrest part is provided with a gas cylinder to adjust the height of the seat part in order to maximize the comfort of the user seated on the chair, or a tilting configuration to adjust the inclination angle of the backrest is provided. Functional structures are being provided.

On the other hand, among the above chairs, a frame chair or seat in which the back and seat portions are firmly coupled to the frame so as to have a simple seating function in consideration of economical efficiency and robustness in consideration of economical efficiency and robustness is folded. Folding chairs are widely used.

The folding chair is composed of a back plate to support the user's back, a seat plate to support the user's buttocks, and a support frame (leg) to support the back and seat, and such a folding chair has the seat horizontally. It is configured to be opened and used, and when the chair is arranged and stored after use, the seat plate is folded and folded to store.

However, the conventional folding chair is fixed to the support frame so that only folding in the direction of the back plate is made while the position of the seat plate is fixed, so that a burden on the user's waist is caused when the seat is seated for a long time. A phenomenon is occurring, and thus, there is a problem in that the user cannot maintain a comfortable posture.

In order to solve the above problems, various functions have been developed in order to provide a comfortable seating feel to the user even in the configuration of a folding office chair that is commonly used in recent years, and as an example, Patent Publication No. 10-1928964 (Registration date: December 07, 2018) The folding chair on which the seat plate is slid includes a support frame having mobility, a back plate that is supported by coupling the lower ends of both sides to the leg frame of the support frame, and protrudes from the leg frame of the support frame. A seat plate frame connected to the protruding bracket in a swing structure so that the support bracket is rotatable, a seat plate coupled to be positioned above the seat plate frame, and a slide block installed to be slidably installed on the seat plate frame and fixed to the seat plate. , A plurality of slide rollers inserted and installed into the roller insertion grooves of the seat plate frame so as to be supported in contact with the slide block, and a spring having one end fixedly installed on the seat plate frame and the other end fixedly installed on the slide block. .

However, the folding chair on which the seat plate slides with the above configuration has a structure in which one end of the seat plate is coupled in a rotatable form to the back plate connecting portion connected to the frame, so that the user's load is concentrated on the hinge connecting portion, so that the hinge connecting portion is easy. There is a problem of being damaged.

In another embodiment, Registration Utility Model Publication No. 20-0450927 (Registration date: November 04, 2010) Seat folding chair includes a support leg connected to the front and rear legs to the left and right of a horizontal bar, and a seat plate portion to the upper portion of the support leg. And a backrest installed at a rear upper portion of the seat plate, wherein the seat plate constitutes a housing inside, and a coupling groove of a fixing bracket fixed to the housing and a coupling bracket fastened to the upper portion of the fixing bracket by bolts. A guide portion having an operation guide groove is formed on the horizontal bar in a predetermined circumferential section, and a stopper fixed to the housing is inserted and guided by the operation guide groove of the guide portion. It is configured to limit the rotation range of the seat plate portion, but the horizontal bar and the housing are characterized in that the horizontal bar and the housing are formed so that the seat plate portion is elastically folded vertically by fixedly installing extensions extending at both ends of the elastic actuating portion of the elastic member.

However, the seat folding chair having the above configuration has a feature that the seat plate is connected to the horizontal bar connected to the support legs and rotates, so that the seat plate can maintain a solid fastening state even with frequent rotation, but the seat plate does not slide forward and backward. There is a problem in that the user cannot maintain a comfortable and comfortable seated state for a long time by having a fixed shape.

Registered Patent Publication No. 10-1928964 (Registration date: December 07, 2018) "Foldable chair with sliding seat" Registered Utility Model Publication No. 20-0450927 (Registration Date: November 04, 2010) "Seat folding chair" Registered Patent Publication No. 10-2100599 (Registration Date: April 07, 2020) "Forward slope device transformed into a shape suitable for various bodies and a folding chair equipped with the same"

The present invention has been made in consideration of the above circumstances, and an object of the present invention is that the seat plate slides in the forward direction by the repulsive force of the back pushing force when the user wants to take a comfortable posture while pushing the backrest. The simple yet robust structure allows the user to rest more comfortably than the existing folding chairs by providing an elastic restoring force that moves forward or backward by the user's pressing force, and returns to the original position after the pressing force is removed. According to the conditions, it is to provide a folding chair with a new type of sliding seat that can induce comfortable seating.

In addition, a folding chair having a simple structure with a sliding seat plate having the above characteristics can maintain a solid assembly state of the chair, so that a sliding seat plate capable of improving the purchase desire of consumers through reduction of manufacturing cost while maintaining excellent quality is provided. It is to provide a folding chair to have.

A folding chair having a sliding seat plate according to an embodiment of the technical idea of the present invention for achieving the above object is formed integrally by bending and welding a tube of a circular or angular shape with a hollow inside and connecting it with a connecting bar having an extension part. In the folding chair having a sliding seat plate composed of a chair frame, a seat plate slidable and rotatably connected to the chair frame in a forward direction, and a backrest part located at a rear upper portion of the seat plate and connected to the chair frame, the seat plate A cover connected by wrapping the extension of the chair frame from the lower side, and a fixing bracket which is positioned on the cover to surround the extension and has a first locking projection and a plurality of fastening protrusions formed therein, and the fixing bracket A receiving groove in which the upper part is partially accommodated is formed in the lower part, and a second locking protrusion and a seating groove are formed inside the upper part, and a plurality of long grooves into which the fastening protrusions are fitted at the edge are formed to be connected in a slidable form within the range of the fixing bracket and the long groove A movable bracket consisting of a first bracket, a spring accommodated in the seating groove, coupled to a first locking protrusion on one side and a second engaging protrusion on the other side to provide return to the original shape to the first bracket, and the movable bracket It can be achieved by a folding chair having a sliding seat plate, characterized in that it is installed on the top of the cushion to provide a cushion to the user.

The movable bracket includes a first bracket that is connected to the fixed bracket in a slidable manner, and a second bracket that is fitted to an upper portion of the first bracket by a one-touch fastening means and a cushion part is assembled thereon, wherein the first bracket 1 The bracket constitutes a receiving groove in which the fixing bracket is accommodated on the bottom surface, a second locking protrusion connected to the receiving groove in which the spring is mounted on the inside of the upper surface, and a plurality of long grooves and a fastening means through which the fastening protrusion is inserted into the edge. The locking groove and the protrusion are integrally formed, and the second bracket is coupled to cover the upper surface of the first bracket, and is fitted with a locking portion constituting a fastening means with a long hole and an edge located on the same line as the long groove on the inside. It is characterized in that the part is formed and the cushion part is coupled to the upper surface.

It characterized in that it further comprises a plurality of guide rollers formed on the inside of the fixing bracket and in close contact with the bottom surface of the first bracket to assist the movement of the first bracket.

The fastening means includes a plurality of fitting portions formed on the front side of the first bracket and the second bracket, and a plurality of coupling portions formed on both side and rear surfaces of the first bracket and the second bracket, wherein the fitting portion of the first bracket A plurality of locking grooves formed on the front side is composed of a locking portion having a cross section of an approximately "b" shape formed on the front surface of the second bracket, and the binding portion is formed at regular intervals on the upper surface of the first bracket, and is located at the center of the straight rib. It is characterized in that it is composed of a protrusion in which a sphere is integrally formed, a through hole formed at a position corresponding to the protrusion of the second bracket and into which the sphere is fitted, and a fitting part consisting of an elastic part pressing the outer surface of the sphere with an inner edge of the through hole.

In the folding chair with a sliding seat according to the present invention, when the user wants to take a comfortable posture while pushing the back while seated on the seat, the seat plate is moved in a form in which the seat plate slides forward by the repulsive force of the back pushing force. In the ship, a plurality of guide rollers formed on the fixing bracket are in close contact with the bottom of the first bracket to substantially prevent noise when the moving bracket moves and ensure a stable and smooth sliding. In particular, it has the effect of ensuring a stable and smooth sliding. The moved seat plate provides an elastic restoring force that returns to its original position after the pushing force is removed by a plurality of springs, so that when not in use, the seat plate is always moved inward, so that the user can rest more comfortably than the existing folding chairs. In addition, it has the effect of inducing comfortable seating according to the user's physical condition.

In addition, in the process of assembling the seat plate, the combination of the first bracket and the second bracket is a one-touch type by simultaneously applying a fitting type and a locking type, so that it can be assembled without a separate ranch or driver and other household tools. Since it is detachable, general users can easily assemble the seat or repair the seat plate, which has the effect of extending the shelf life of the chair.

The folding chair with a sliding seat configured as described above enables even an unskilled person who is a chair purchaser to easily and simply install, repair, and use the chair while maintaining a solid seating state, providing superior quality chairs to consumers for office work. There is an effect that can be expected to promote sales of chairs.

1 is a perspective view of a folding chair having a sliding seat plate according to a first embodiment of the present invention
2 is an exploded perspective view of a folding chair having a sliding seat plate according to the first embodiment of the present invention in a state in which the frame and the seat plate are separated
3 is an exploded perspective view of a seat plate part of a folding chair having a sliding seat plate according to a first embodiment of the present invention
Figure 4 is a view for explaining a sliding process of the seat plate portion of the folding chair having a sliding seat plate according to the first embodiment of the present invention
5 is a view showing an exploded state and a combined state of the fastening means among the folding chairs having a sliding seat according to the first embodiment of the present invention
6 is a cross-sectional view taken along line AA shown in FIG. 1 showing a gliding form of a seat plate
7 is a cross-sectional view taken along line BB shown in FIG. 1 showing an assembly form of a seat plate

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art may easily implement the present invention. However, since the description of the present invention is merely an embodiment for structural or functional description, the scope of the present invention should not be construed as being limited by the embodiments described in the text. That is, since the embodiments can be variously changed and have various forms, the scope of the present invention should be understood to include equivalents capable of realizing the technical idea. In addition, since the object or effect presented in the present invention does not mean that a specific embodiment should include all or only such effects, the scope of the present invention should not be understood as being limited thereto.

Meanwhile, the meaning of the terms described in the present invention should be understood as follows.

Terms such as "first" and "second" are used to distinguish one component from other components, and the scope of rights is not limited by these terms. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component.

When a component is referred to as being "connected" to another component, it should be understood that although it may be directly connected to the other component, another component may exist in the middle. On the other hand, when a component is referred to as being "directly connected" to another component, it should be understood that there is no other component in the middle. On the other hand, other expressions describing the relationship between components, that is, "between" and "just between" or "neighboring to" and "directly neighboring to" should be interpreted as well.

Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as "comprises" or "have" refer to the specified features, numbers, steps, actions, components, parts, or these. It is to be understood that it is intended to designate that a combination exists and does not preclude the presence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the field to which the present invention belongs, unless otherwise defined. Terms defined in commonly used dictionaries should be interpreted as having meanings in the context of related technologies, and cannot be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present invention.

Now, a folding chair having a sliding seat according to a first embodiment of the present invention will be described in detail with reference to the drawings.

In the accompanying drawings, FIG. 1 is a perspective view of a folding chair having a sliding seat plate according to a first embodiment of the present invention, and FIG. 2 is a frame and a seat plate part of a folding chair having a sliding seat plate according to the first embodiment of the present invention. 3 is an exploded perspective view of a seating plate of a folding chair having a sliding seat according to the first embodiment of the present invention, and FIG. 4 is an exploded perspective view of a folding chair having a sliding seat according to the first embodiment of the present invention. It is a view for explaining the sliding process of the seat plate portion, Figure 5 is a view showing the disassembled state and the coupled state of the fastening means of the folding chair having a sliding seat plate according to the first embodiment of the present invention, Figure 6 is As a cross-sectional view taken along line AA, which is a view showing a gliding form of the seat plate, and FIG. 7 is a cross-sectional view taken along line BB shown in FIG.

As shown, the folding chair 100 having a sliding seat plate according to the first embodiment of the present invention includes a chair frame 200 formed by bending and welding a circular or rectangular tube with a hollow inside, and the chair frame ( It is configured to include a seat plate 100 rotatably connected to 200, and a backrest part 300 assembled to the chair frame 200 and integrally formed with handles on both sides.

The chair frame 200 has a shape similar to that of a general folding chair, and has a shape in which a plurality of leg frames are connected to a central portion by a connecting bar 210 to be integrally configured.

In addition, an extension 220 is formed in the central portion of the connection bar 210 to protrude to one side in an approximate "c" shape and to which the seat plate 100 is connected in a rotatable shape, so that the seat plate 100 is an extension 220 ) Is connected to and rotates, and the bottom surface of the seat plate 100 is seated on the upper surface of the connection bar 210 to maintain the expanded state.

Since the configuration of the chair frame 200 as described above has a shape similar to that of a general folding chair, a detailed configuration and operation description will be omitted.

The backrest part 300 has a configuration that provides a comfortable seating feeling by being mounted on the back of the chair user, and has a form integrally coupled to the chair frame 200 and fixed, or the chair frame 200 and the backrest part 300 By forming an elastic means (not shown) at the connection portion of the backrest portion may be formed in a form in which the backrest is tilted backward by a force pressed by the user's back.

In addition, the backrest part 300 is integrally formed with handles 310 for mounting the user's arm on both sides, thereby providing a more comfortable seating for the user.

Meanwhile, the backrest part 300 having the above configuration also has the form and function of a general folding chair. In the present invention, a detailed configuration and operation description of the backrest part 300 will be omitted.

The seat plate 100 is a characteristic feature of the present invention, and is connected to the chair frame 200 in a rotatable form, and is characterized in that it is configured to slide forward by itself.

That is, the seat plate 100 includes a cover 10 that wraps around the extended portion 220 of the chair frame 200 and is connected thereto, and is located above the cover 10 and the cover 10 extends from the lower portion. A fixing bracket 20 which is wrapped around 220 and screwed together, and a receiving groove 31 in which the upper part of the fixing bracket 20 is partially accommodated is formed, and is slidable from the fixing bracket 20. It consists of a moving bracket 50 to be assembled and a cushion part 60 installed on the upper part of the moving bracket 50 to provide a cushion to the user.

In addition, the movable bracket 50 is fitted with a first bracket 30 connected to the fixing bracket 20 in a slidable manner and a one-touch fastening means 70 on the upper portion of the first bracket 30. It is composed of a second bracket 40 to which the cushion part 60 is assembled at the top.

In addition, the first locking projection 21 formed on the inside of the fixing bracket 20 and the second locking projection 32 formed on the first bracket 30 are connected by a spring 80, and the spring 80 is 1 It is accommodated in the mounting groove 33 formed in the bracket 30, and moves forward or backward within the range of the receiving groove 31 while the first bracket 30 is connected to the fixing bracket 20, and the spring 80 Accordingly, when the chair is not used, the position of the first bracket 30 is restored to its original state.

The fixing bracket 20 includes a seating portion 22 on which the extension portion 220 is seated on a bottom surface, a first locking projection 21 to which a spring 80 is connected to an inside of the upper surface, and a plurality of fastening projections 23 at the edges. ) And guide rollers 24 are formed.

The first bracket (30) constituting the movable bracket (50) includes a receiving groove (31) in which the fixing bracket (20) is accommodated on the bottom surface, and a mounting groove (33) in which the spring (80) is seated in the upper surface, and a spring. The engaging groove 711 and the protrusion 723 constituting a plurality of long grooves 34 and fastening means 70 into which the fastening protrusion 23 is fitted to the second engaging projection 32 and the edge connected to the 80 Is formed.

The second bracket 40 is coupled to cover the upper surface of the first bracket 30 and constitutes a fastening means 70 with a long hole 41 and an edge located on the same line with the long groove 34 on the inside. The locking part 712 and the fitting part 726 are formed, and the cushion part 60 is coupled to the upper surface.

In addition, the first bracket 30 is assembled through a bolt 90 that passes through the long groove 34 and is screwed to the upper portion of the fastening protrusion 23 in the state where the fixing bracket 20 is inserted in the lower part. , As the fastening protrusion 23 is fastened with a bolt 90 while being fitted in the long groove 34, the first bracket 30 has a shape that moves forward or backward within the range of the long groove 34.

In addition, the first bracket 30 to be moved is substantially the elasticity of the spring 80 by the spring 80 connected to the first locking projection 21 and the second locking projection 32. It has a return to its original state by

The fastening means 70 includes a plurality of fitting portions 71 and a first bracket 30 formed on the front sides of the first bracket 30 and the second bracket 40, as shown in FIGS. Consisting of a plurality of fastening portions 72 formed on both sides and rear surfaces of the second bracket 40, the fitting portion 71 is provided in a plurality of locking grooves 711 formed on the front surface of the first bracket 30. Consisting of a locking portion 712 having a cross-section of an approximately "b" shape formed on the front surface of the bracket 40, the binding portion 72 is formed to be spaced apart at regular intervals on the upper surface of the first bracket 30, and a straight rib The protrusion 723 in which the sphere 722 is integrally formed at the central portion of the 721 and the through hole formed at a position corresponding to the protrusion 723 of the second bracket 40 and into which the sphere 722 is inserted ( It is composed of a fitting portion 726 made of an elastic portion 725 that presses the outer surface of the sphere 722 to the inner surface edge of the through hole 724 and the through hole 724.

Looking at the fastening process of the fastening means 70 configured as described above, as shown in FIG. 6, first, the front of the first bracket 30 in a state in which the first bracket 30 is fixedly installed to the fixing bracket 20. When the second bracket 40 is pressed from the top while the locking portion 712 of the second bracket 40 is easily inserted through the inclinedly extended inlet portion 713 in the locking groove 711 formed in the first bracket The elastic part 725 is inserted into the through hole 724 having an elastic part 725 in the inside of the second bracket 40 in the protruding part 723 which is protruded to the upper part of the 30 and the sphere 722 is integrally formed. The first bracket 30 and the second bracket 40 are coupled by being engaged with the sphere 722.

When the user wants to separate the first bracket 30 and the second bracket 40 in the combined state as described above, the elastic portion 725 of the through hole 724 when the user grabs the rear side of the second bracket 40 and lifts it. Is separated and spaced apart from the protrusion 723 in which the sphere 722 is formed, and when the second bracket 40 is moved to the front side, the locking portion 712 of the second bracket 40 is opened by the elasticity. ) Is removed from the locking groove 711 and the first bracket 30 and the second bracket 40 are separated.

Meanwhile, the process of moving the seat plate 100 back and forth will be described in detail with reference to FIG. 7 as follows.

As shown, the upper part of the fixing bracket 20 is assembled in a rotatable form by wrapping the extension part 220 of the chair frame 200 at the top and bottom using the cover 10 and the fixing bracket 20. In a state in which a part of the fixing bracket 20 is inserted into the receiving groove 31 formed under the first bracket 30 constituting the moving bracket 50, into the seating groove 33 of the first bracket 30 The spring 80 is positioned and both sides of the spring 80 are coupled to the first locking projection 21 and the second locking projection 32, respectively, so that the first bracket 30 substantially increases the elasticity of the spring 80. While winning, it is assembled so as to move forward or backward within the range of the receiving groove 31 and the seating groove 33.

Moreover, the movement of the first bracket 30 is performed by the first bracket 30 in a state in which a plurality of fastening protrusions 23 formed in the fixing bracket 20 are fitted into the long grooves 34 of the first bracket 30. The first bracket 30 moves within the range of the long groove 34 by maintaining the inserted state by the bolt 90 fastened from the top.

By the configuration as described above, the long groove 34, the seating groove 33, and the receiving groove 31 will provide a similar range of movement.

As described above, in a state in which the first bracket 30 is assembled to the fixing bracket 20 in a movable form, the second bracket 40 having the cushion part 60 formed on the upper part of the first bracket 30 is a fastening means ( 70), it is assembled in a one-touch detachable form to provide comfort to users, and at the same time, the seat plate can be easily repaired through simple one-touch assembly and separation.

In the folding chair having a sliding seat plate according to the present invention having the above configuration, the seat plate slides forward by the repulsive force of the back pushing force when the user wants to take a comfortable posture while pushing the backrest while seated on the seat plate. When the seat plate moves in a form, a plurality of guide rollers formed on the fixing bracket are in close contact with the bottom of the first bracket to substantially prevent noise when the moving bracket moves and ensure stable and smooth sliding. The seat plate moved forward by the force provides an elastic restoring force that returns to its original position after the pushing force is removed by a plurality of springs, so that the seat plate can always maintain the position moved inward when not in use, allowing the user to be more comfortable than the existing folding chairs. In addition to being able to rest comfortably, it has a constitutive feature that induces comfortable seating according to the user's physical condition.

In addition, in the process of assembling the seat plate, the combination of the first bracket and the second bracket is a one-touch type by simultaneously applying a fitting type and a locking type, so that it can be assembled without a separate ranch or driver and other household tools. Since it is detachable, general users can easily assemble it or repair the seat plate, which extends the shelf life of the chair.

As described above, an optimal embodiment has been disclosed in the drawings and specification. Although specific terms have been used herein, these are only used for the purpose of describing the present invention, and are not used to limit the meaning or to limit the scope of the present invention described in the claims. Therefore, those of ordinary skill in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims.

10: cover 20: fixing bracket
21: first locking projection 22: seating portion
23: fastening protrusion 24: guide roller
30: first bracket 31: receiving groove
32: locking projection 33: seating groove
34: long groove 40: second bracket
41: long hole 50: moving bracket
60: cushion part 70: fastening means
71: fitting portion 72: binding portion
80: spring 200: chair frame
210: connecting bar 220: extension
300: backrest portion 310: handle

Claims (4)

A chair frame 200 integrally formed by bending and welding a tube of a circular or angular shape with a hollow inside and connecting with a connecting bar 210 having an extension part 220, and the chair frame 200 toward the front side. In the folding chair having a sliding seat plate consisting of a seat plate 100 that is slidable and rotatably connected, and a backrest part 300 that is located at a rear upper portion of the seat plate 100 and is connected to the chair frame 200,
The seat plate 100 includes a cover 10 wrapped around the extended portion 220 of the chair frame 200 and connected thereto,
The fixing bracket 20 is located on the upper portion of the cover 10 and coupled with the extension part 220 wrapped therein, and has a first locking projection 21 and a plurality of fastening projections 23 formed at the edges thereof,
The receiving groove 31 in which the upper part of the fixing bracket 20 is partially accommodated is formed in the lower part, and the second locking protrusion 32 and the receiving groove 33 at the upper inner side and the fastening protrusion 23 are inserted at the edge. A moving bracket 50 consisting of a first bracket 30 having a plurality of long grooves 34 and connected in a slidable form within the range of the fixed bracket 20 and the long groove 34,
A spring accommodated in the seating groove 33, coupled to the first engaging projection 21 on one side, and coupled to the second engaging projection 32 on the other side, to provide the first bracket 30 with return to its original shape ( 80) and,
Including a cushion unit 60 installed on the upper portion of the moving bracket 50 to provide a cushion to the user,
The movable bracket 50 is fitted with a first bracket 30 connected to the fixing bracket 20 in a slidable manner and a one-touch fastening means 70 on the upper portion of the first bracket 30, and is It includes a second bracket 40 to which the cushion part 60 is assembled,
The first bracket 30 includes a receiving groove 31 in which the fixing bracket 20 is accommodated on the bottom surface, and a second mounting groove 33 in which the spring 80 is mounted on the upper surface and the spring 80 are connected to each other. A locking protrusion 32 and a plurality of long grooves 34 into which the fastening protrusions 23 are fitted to the edges, and a locking groove 711 and a protrusion 723 constituting the fastening means 70 are integrally formed, and the first 2 The bracket 40 is coupled to cover the upper surface of the first bracket 30, and the long hole 41 located on the same line with the long groove 34 on the inner side and the fastening means 70 formed at the edge. A folding chair having a sliding seat plate, characterized in that the part 712 and the fitting part 726 are formed and the cushion part 60 is coupled to the upper surface.
delete The method of claim 1,
A sliding seat plate, characterized in that it further comprises a plurality of guide rollers (24) formed on the inside of the fixing bracket (20) and in close contact with the bottom surface of the first bracket (30) to assist the movement of the first bracket (30). Having a folding chair.
The method of claim 1,
The fastening means 70 includes a plurality of fitting portions 71 formed on the front sides of the first bracket 30 and the second bracket 40, and both sides and rear surfaces of the first bracket 30 and the second bracket 40. It includes a plurality of binding portions 72 formed in,
Here, the fitting portion 71 is a locking portion 712 having a cross section of a "b" shape formed on the front surface of the second bracket 40 in a plurality of locking grooves 711 formed on the front surface of the first bracket 30 The coupling part 72 is formed at a predetermined interval on the upper surface of the first bracket 30 and has a protrusion 723 integrally formed with a sphere 722 at the central portion of the straight rib 721, and 2 It is formed at a position corresponding to the protrusion 723 of the bracket 40 and presses the outer surface of the sphere 722 with the through hole 724 into which the sphere 722 is inserted and the inner surface edge of the through hole 724 A folding chair having a sliding seat, characterized in that consisting of a fitting portion 726 made of an elastic portion 725.

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