CA2913300C - A frame structure of simple chair - Google Patents
A frame structure of simple chair Download PDFInfo
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- CA2913300C CA2913300C CA2913300A CA2913300A CA2913300C CA 2913300 C CA2913300 C CA 2913300C CA 2913300 A CA2913300 A CA 2913300A CA 2913300 A CA2913300 A CA 2913300A CA 2913300 C CA2913300 C CA 2913300C
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- frame structure
- support
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Abstract
Provided is a frame structure of a simple chair that can be conveniently used by being coupled to a chair seat at the time of outdoor activities such as camping, hiking, fishing, outdoor concert and sporting events, and includes:
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support; a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at the lower end being in contact with a floor surface; a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat.
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support; a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at the lower end being in contact with a floor surface; a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat.
Description
A FRAME STRUCTURE OF SIMPLE CHAIR
TECHNICAL FIELD
The present invention relates to a frame structure of a simple chair, and more particularly, to a frame structure of a simple chair that can be conveniently used by being coupled to a chair seat at the time of outdoor activities such as camping, hiking, fishing, outdoor concert and sporting events.
BACKGROUND ART
Simple chairs are manufactured to be conveniently utilized, while being simply carried during outdoor activities at which indoor chairs cannot be used, and in general, chairs used at home are not suitable for a portable use in most outdoor activities, such as camping, hiking, fishing, outdoor concert and sporting events.
The simple chairs for outdoor activities need to be lightweight and compact, portability is required, and of course, and the simple chairs should be strong and durable enough to be able to adequately support the user's load.
As the prior art, Korea Registered Utility Model Publication No. 20-0292604 (Published Oct. 25, 2002) as Patent Document 1 discloses an outdoor chair configured so that left and right legs and a seat can be deployed or folded between left and right frames simultaneously functioning as leg and backrest frames, while performing an angular motion, wherein a backrest is integrally formed at the top of the left and right frames, intermediate upper parts of the left and right legs are installed at the center between the left and right frames so as to be angularly deployed backward by a hinge bolt, the tops of the legs are connected to a bottom central portion of the seat by the hinge bolt so as to be angularly deployed, a stopper is formed at the left and right sides of the rear end of the seat and can be guided to slide along slide grooves vertically formed in the left and right frames during deploying and folding operations.
In addition, Korean Patent Registration No. 10-1121652 (published March 9, 2012) as Patent Document 2 discloses an outdoor camping folding chair that includes a metal frame made of aluminum and a chair cover made of a fabric material installed on the metal frame, and has a means capable of adjusting the height installed at the back legs of the chair, wherein the means capable of adjusting the height of the back legs of the chair is an auxiliary leg installed on the back legs, a plurality of protruding means and a first guide hole are installed in the back legs, the protruding means is elastically supported to protrude outward by an elastic means installed on the inside of the back legs so as
TECHNICAL FIELD
The present invention relates to a frame structure of a simple chair, and more particularly, to a frame structure of a simple chair that can be conveniently used by being coupled to a chair seat at the time of outdoor activities such as camping, hiking, fishing, outdoor concert and sporting events.
BACKGROUND ART
Simple chairs are manufactured to be conveniently utilized, while being simply carried during outdoor activities at which indoor chairs cannot be used, and in general, chairs used at home are not suitable for a portable use in most outdoor activities, such as camping, hiking, fishing, outdoor concert and sporting events.
The simple chairs for outdoor activities need to be lightweight and compact, portability is required, and of course, and the simple chairs should be strong and durable enough to be able to adequately support the user's load.
As the prior art, Korea Registered Utility Model Publication No. 20-0292604 (Published Oct. 25, 2002) as Patent Document 1 discloses an outdoor chair configured so that left and right legs and a seat can be deployed or folded between left and right frames simultaneously functioning as leg and backrest frames, while performing an angular motion, wherein a backrest is integrally formed at the top of the left and right frames, intermediate upper parts of the left and right legs are installed at the center between the left and right frames so as to be angularly deployed backward by a hinge bolt, the tops of the legs are connected to a bottom central portion of the seat by the hinge bolt so as to be angularly deployed, a stopper is formed at the left and right sides of the rear end of the seat and can be guided to slide along slide grooves vertically formed in the left and right frames during deploying and folding operations.
In addition, Korean Patent Registration No. 10-1121652 (published March 9, 2012) as Patent Document 2 discloses an outdoor camping folding chair that includes a metal frame made of aluminum and a chair cover made of a fabric material installed on the metal frame, and has a means capable of adjusting the height installed at the back legs of the chair, wherein the means capable of adjusting the height of the back legs of the chair is an auxiliary leg installed on the back legs, a plurality of protruding means and a first guide hole are installed in the back legs, the protruding means is elastically supported to protrude outward by an elastic means installed on the inside of the back legs so as
2 to be pushed in an inward direction of the back legs when pushed with a hand and so as to protrude outward when not pushed, the protruding means are installed in a lengthwise direction of the back legs, the first guide hole is fixed to the back legs through the fixing means to guide the movement of the auxiliary leg, a second guide hole fixed to the auxiliary leg through the fixing means to guide the movement of the back legs is installed in the auxiliary leg, and a protruding hole to which the protruding means of the back legs are fitted is formed on a surface of the second guide hole.
However, the outdoor chair of Patent Document 1 has problems of a large size that is hard to carry for use in camping and hiking.
In addition, the outdoor camping folding chair of Patent Document 2 has a complicated configuration due to consumption of a large number of members, and since there is need to include a hinge hole, a protruding means, a first guide hole and a fixing means for connection of back legs, and a hinge shaft, a protruding hole, a second guide hole and a fixing means for connection of the auxiliary leg and couple these members, it is not easy to couple the members, and there is a problem of failing to sufficiently support the user's load due to weak coupling force of the hinge means.
However, the outdoor chair of Patent Document 1 has problems of a large size that is hard to carry for use in camping and hiking.
In addition, the outdoor camping folding chair of Patent Document 2 has a complicated configuration due to consumption of a large number of members, and since there is need to include a hinge hole, a protruding means, a first guide hole and a fixing means for connection of back legs, and a hinge shaft, a protruding hole, a second guide hole and a fixing means for connection of the auxiliary leg and couple these members, it is not easy to couple the members, and there is a problem of failing to sufficiently support the user's load due to weak coupling force of the hinge means.
3 DISCLOSURE
TECHNICAL PROBLEM
An embodiment of the present invention is directed to a frame structure of a simple chair that is easily assembled, can be compactly folded and stored and has excellent portability, has a simple structure, is easily manufactured, is provided as a structure having a rigid coupling force by being welded by disposing frames and a support, and has rigid durability enough to be able to sufficiently support the user's load.
TECHNICAL SOLUTION
According to an aspect of the present invention, there is provided a frame structure of a simple chair that includes a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support; a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at the lower end being in contact with a floor surface; a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat
TECHNICAL PROBLEM
An embodiment of the present invention is directed to a frame structure of a simple chair that is easily assembled, can be compactly folded and stored and has excellent portability, has a simple structure, is easily manufactured, is provided as a structure having a rigid coupling force by being welded by disposing frames and a support, and has rigid durability enough to be able to sufficiently support the user's load.
TECHNICAL SOLUTION
According to an aspect of the present invention, there is provided a frame structure of a simple chair that includes a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support; a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at the lower end being in contact with a floor surface; a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat
4 portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, ha n a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat.
It should be understood that different embodiments of the invention, including those described under different aspects of the invention, are meant to be generally applicable to all aspects of the invention. Any embodiment may be combined with any other embodiment unless inappropriate. All examples are illustrative and non-limiting.
ADVANTAGEOUS EFFECTS
According to the present invention, since the chair is easily assembled, it is possible to compactly fold and store the frame structure, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by a central hub, the frame structure has rigid durability enough to be able to sufficiently support the user's load.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of a frame structure according to an embodiment of the present invention.
FIG. 2 is a front view of the frame structure according to an embodiment of the present invention.
FIG. 3 is a side view of the frame structure according to an embodiment of the present invention.
FIG. 4 is a plan view of a frame structure of a simple chair according to an embodiment of the present invention.
FIG. 5 is a bottom view of the frame structure of the simple chair according to an embodiment of the present invention.
FIGS. 6a to 6d are use state diagrams illustrating a state in which a chair seat is connected to the frame structure according to the embodiment of the present Invention.
FIGS. 7a to 7c are diagrams of an embodiment of the present Invention illustrating a structure that is folded by an internal elastic cord.
FIG. 8 is a diagram illustrating a state in which the frame structure of the simple chair according to an embodiment of the present invention is stored by being wrapped in the skin.
FIG. 9 is a diagram illustrating a state in which the frame structure of the simple chair according to an embodiment of the present invention is stored by being placed in a bag.
BEST MODE FOR THE INVENTION
Exemplary embodiments of the present invention will be described below in more detail with reference to the accompanying drawings. The present invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.
Throughout the disclosure, like reference numerals refer to like parts throughout the various figures and embodiments of the present invention.
Hereinafter, a specific content for embodying a frame structure of a simple chair according to the present invention will be described in detail mainly based on the embodiments with reference to the drawings.
A frame structure 1 of a simple chair according to the present invention can be conveniently used, by being coupled to a chair seat 500 at the time of outdoor activities such as camping, hiking, fishing, outdoor concerts and sporting events, and is configured to include ascentral hub 100, a lower short frame 200, an upper short frame 300 and an upper long frame 400 having a cavity formed inside and having a shape of a tube are included in plural numbers and are disposed to open outward.
Referring to FIGS. 1 to 5, the central hub 100 is a portion by which the lower short frame 200, the upper short frame 300 and the upper long frame 400 are coupled, has a plate-shaped 110, and, at this time, the support member 110 is desirably made of a disc.
In addition, in the central hub 100, an upper body 120 coupled to the upper short frame 300 and the upper long frame 400 is formed above the support 110, and a lower body 130 coupled to the and coupled to the lower short frame 200 is formed below the support 110.
Here, a plurality of upper connecting tubes 121 of the upper body 120 is radially formed, extends to the outside of the support 110 and is connected to the lower end portions of the upper short frame 300 and the upper long frame 400.
A plurality of lower connecting tubes 131 of the lower body 130 is radially formed , extends to the outside of the support 110 and is connected to the upper end portions of the lower shot frame 200.
In addition, the upper connecting tube 121 is formed to incline upward at a predetermined angle toward an upper side and is provided so that the upper short frame 300 and the upper long frame can be connected toward the upper side, and an upper reinforcing rib 122 is formed at the upper part to protrude upward, and the plurality of upper reinforcing ribs 122 is connected to meet each other at the center, thereby reinforcing the strength of the upper body 120.
At the same time, the lower connecting tube 131 is formed to incline downward at a predetermined angle toward an upper side and is provided so that the lower short frame 200 can be connected toward the lower side, and a lower reinforcing rib 132 is formed at the lower part to protrude downward, and the plurality of lower reinforcing ribs 132 is connected to meet each other at the center, thereby reinforcing the strength of the lower body 120.
Further, the upper connecting tubes 121 and the lower connecting tubes 131 are connected to each other by a support rib 140 to fill a space between the upper connecting tube 121 and the lower connecting tube 131. The central hub 100 becomes a structure having a strong coupling strength, thereby having rigid durability enough to be able to sufficiently support the user's load.
The lower short frame 200 is detachably connected to the lower connecting tube 131, and for example, an upper end portion of the lower short frame 200 is fitted and coupled to the interior of the lower connecting tube 131. Referring to FIG. 7, since a elastic cord D is provided inside, the lower short frame can be easily folded, and a bottom portion 210 provided with a bottom cap 211 is formed at a lower end and is supported by being in contact with a floor surface, and thus, the lower short frame acts as a support based on four points.
The upper short frame 300 is detachably connected to the upper connecting tube 121, and for example, a lower end portion of the upper short frame 300 is fitted and coupled to the interior of the upper connecting tube 121. Since an elastic cord D is provided inside, the upper short frame can be easily folded, and an insertion portion 310 provided with an end cap 311 is formed at an upper end and is inserted and coupled into a pocket 540 formed at a corner of a seat portion 510 of the chair seat 500.
The upper long frame 400 is detachably connected to the upper connecting tube 121, and for example, a lower end portion of the upper short frame 400 is fitted and coupled to the interior of the upper connecting tube 121. Since an elastic cord D is provided inside, the upper long frame can be easily folded, and an insertion portion 410 provided with an end cap 411 is formed at an upper end and is inserted and coupled into the pocket 540 formed at the corner of the seat portion 510 of the chair seat 500.
At this time, in order to supplement the supporting force of the upper short frame 300 provided to have a length longer than that of the upper long frame 400, a bent portion 420 is formed to be rounded below the upper long frame 400, thereby being able to more sufficiently support the user's load.
In addition, the lower short frame 200, the upper short frame 300 and the upper long frame 400 has the elastic cord D installed inside, and each of the frames can be made up of a plurality of sections, and the plurality of sections is configured so that any one section is inserted and fitted into the other section in coupling portions engaged with each other. The elastic cord D is made up of a line having elasticity to serve to pull each section inward and connects the portions made up of the plurality of sections by a single frame, while passing through an internal hollow hole of each frame in a lengthwise direction.
Referring to FIGS. 6a to 6d, the chair seat 500 forms a seat portion 510, a backrest portion 520 and a side portion 530. The top both end of the upper short frame 300 and the upper long frame 400 toward the outside are disposed and formed to open each other outward. When end caps 311, 411 provided in each of the insertion sections 310, 410 are inserted and connected into the pocket 540 formed on the corners of the of the chair seat 500, the chair seat 500 connected to the insertion portions 310, 410 is pulled to a slightly tension state, the seat portion 500 for seating is provided on the lower side, the backrest portion 520 is provided to support the back, and the side portions 530 are formed on both sides so that arms can be supported thereon.
Further, the chair seat 500 referred to as a seat back that is a portion on which a seating person sits is made of sewn pieces of the woven textile such as canvas, and the pockets 540 such as a tube receptacle are formed in each of four corners.
The pocket 510 is made up of webbing sewn of a fabric made of polyester, nylon, acrylic, polyurethane alone or synthetically, and the insertion portions 310 and 410 are configured to slide inside or outside and are detachably connected. In this way, the pocket 510 is connected to the insertion portions 310 and 410, the chair seat 500 is opened, in the connected state, the upper short frame 300 and the upper long frame 400 are in a slight tension state that pulls the insertion portions 310 and 410 together, whereby a user can sit on the chair seat 500.
At this time, after the end caps 311 and 411 formed at the end of the insertion portions 310 and 410 slide into and come into close contact with the pocket 5400, they come into close contact with the interior of the pocket 510 due to the tension state of the upper short frame 300 and the upper long frame 400, thereby preventing the insertion portions 310 and 410 from being unintentionally disengaged from the pocket 540.
Furthermore, the upper short frame 300 is connected to the front of the chair seat 500 to support the seat portion 510 on which the user sits, the upper long frame 400 is connected to the rear of the chair seat 500 to support a backrest 520 against which a user supports, and the side portions 530 are formed on both sides so that the user can sit while supporting both arms.
At the same time, the chair seat 500 maintains the tight tension state to prevent the seat portion 510 from coming into contact with the central hub 100, thereby preventing the user's load from being directly applied to central hub 100, and it is possible to prevent the collapse of the frame structure 1.
Thus, the supporting force to the user's vertical load is reinforced, the supporting force tilted to the back of the user increases, rigid coupling is maintained, and rigid durability enough to be able to sufficiently support the user's load is provided.
When releasing and separating the coupling of the respective sections of the lower short frame 200, the upper short frame 300 and the upper long frame 400, since the sections are folded by the elastic cord D exposed to the outside and is compactly deformed, the chair is wrapped by the skin S as illustrated in FIG. 8 or is easily stored and carried while being placed in a small bag B as illustrated in FIG. 9.
Eventually, the frame structure 1 of the simple chair according to the present invention, since it is easily assembled, it possible to compactly fold and store the frame structure, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by the central hub, the frame structure has rigid durability enough to be able to sufficiently support the user's load.
As described above, although particular embodiment has been described to explain the present invention, the present invention is not limited to these specific examples. Thus, various modifications, applications and the combinations of the several features of the described embodiments can be performed without departing from the scope of the invention as set forth in the appended claims.
Since the frame structure of the simple chair according to the present invention is easily assembled, can be compactly folded and stored, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by a central hub, and the frame structure has rigid durability enough to be able to sufficiently support the user's load. Thus, it has industrial availability.
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It should be understood that different embodiments of the invention, including those described under different aspects of the invention, are meant to be generally applicable to all aspects of the invention. Any embodiment may be combined with any other embodiment unless inappropriate. All examples are illustrative and non-limiting.
ADVANTAGEOUS EFFECTS
According to the present invention, since the chair is easily assembled, it is possible to compactly fold and store the frame structure, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by a central hub, the frame structure has rigid durability enough to be able to sufficiently support the user's load.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of a frame structure according to an embodiment of the present invention.
FIG. 2 is a front view of the frame structure according to an embodiment of the present invention.
FIG. 3 is a side view of the frame structure according to an embodiment of the present invention.
FIG. 4 is a plan view of a frame structure of a simple chair according to an embodiment of the present invention.
FIG. 5 is a bottom view of the frame structure of the simple chair according to an embodiment of the present invention.
FIGS. 6a to 6d are use state diagrams illustrating a state in which a chair seat is connected to the frame structure according to the embodiment of the present Invention.
FIGS. 7a to 7c are diagrams of an embodiment of the present Invention illustrating a structure that is folded by an internal elastic cord.
FIG. 8 is a diagram illustrating a state in which the frame structure of the simple chair according to an embodiment of the present invention is stored by being wrapped in the skin.
FIG. 9 is a diagram illustrating a state in which the frame structure of the simple chair according to an embodiment of the present invention is stored by being placed in a bag.
BEST MODE FOR THE INVENTION
Exemplary embodiments of the present invention will be described below in more detail with reference to the accompanying drawings. The present invention may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present invention to those skilled in the art.
Throughout the disclosure, like reference numerals refer to like parts throughout the various figures and embodiments of the present invention.
Hereinafter, a specific content for embodying a frame structure of a simple chair according to the present invention will be described in detail mainly based on the embodiments with reference to the drawings.
A frame structure 1 of a simple chair according to the present invention can be conveniently used, by being coupled to a chair seat 500 at the time of outdoor activities such as camping, hiking, fishing, outdoor concerts and sporting events, and is configured to include ascentral hub 100, a lower short frame 200, an upper short frame 300 and an upper long frame 400 having a cavity formed inside and having a shape of a tube are included in plural numbers and are disposed to open outward.
Referring to FIGS. 1 to 5, the central hub 100 is a portion by which the lower short frame 200, the upper short frame 300 and the upper long frame 400 are coupled, has a plate-shaped 110, and, at this time, the support member 110 is desirably made of a disc.
In addition, in the central hub 100, an upper body 120 coupled to the upper short frame 300 and the upper long frame 400 is formed above the support 110, and a lower body 130 coupled to the and coupled to the lower short frame 200 is formed below the support 110.
Here, a plurality of upper connecting tubes 121 of the upper body 120 is radially formed, extends to the outside of the support 110 and is connected to the lower end portions of the upper short frame 300 and the upper long frame 400.
A plurality of lower connecting tubes 131 of the lower body 130 is radially formed , extends to the outside of the support 110 and is connected to the upper end portions of the lower shot frame 200.
In addition, the upper connecting tube 121 is formed to incline upward at a predetermined angle toward an upper side and is provided so that the upper short frame 300 and the upper long frame can be connected toward the upper side, and an upper reinforcing rib 122 is formed at the upper part to protrude upward, and the plurality of upper reinforcing ribs 122 is connected to meet each other at the center, thereby reinforcing the strength of the upper body 120.
At the same time, the lower connecting tube 131 is formed to incline downward at a predetermined angle toward an upper side and is provided so that the lower short frame 200 can be connected toward the lower side, and a lower reinforcing rib 132 is formed at the lower part to protrude downward, and the plurality of lower reinforcing ribs 132 is connected to meet each other at the center, thereby reinforcing the strength of the lower body 120.
Further, the upper connecting tubes 121 and the lower connecting tubes 131 are connected to each other by a support rib 140 to fill a space between the upper connecting tube 121 and the lower connecting tube 131. The central hub 100 becomes a structure having a strong coupling strength, thereby having rigid durability enough to be able to sufficiently support the user's load.
The lower short frame 200 is detachably connected to the lower connecting tube 131, and for example, an upper end portion of the lower short frame 200 is fitted and coupled to the interior of the lower connecting tube 131. Referring to FIG. 7, since a elastic cord D is provided inside, the lower short frame can be easily folded, and a bottom portion 210 provided with a bottom cap 211 is formed at a lower end and is supported by being in contact with a floor surface, and thus, the lower short frame acts as a support based on four points.
The upper short frame 300 is detachably connected to the upper connecting tube 121, and for example, a lower end portion of the upper short frame 300 is fitted and coupled to the interior of the upper connecting tube 121. Since an elastic cord D is provided inside, the upper short frame can be easily folded, and an insertion portion 310 provided with an end cap 311 is formed at an upper end and is inserted and coupled into a pocket 540 formed at a corner of a seat portion 510 of the chair seat 500.
The upper long frame 400 is detachably connected to the upper connecting tube 121, and for example, a lower end portion of the upper short frame 400 is fitted and coupled to the interior of the upper connecting tube 121. Since an elastic cord D is provided inside, the upper long frame can be easily folded, and an insertion portion 410 provided with an end cap 411 is formed at an upper end and is inserted and coupled into the pocket 540 formed at the corner of the seat portion 510 of the chair seat 500.
At this time, in order to supplement the supporting force of the upper short frame 300 provided to have a length longer than that of the upper long frame 400, a bent portion 420 is formed to be rounded below the upper long frame 400, thereby being able to more sufficiently support the user's load.
In addition, the lower short frame 200, the upper short frame 300 and the upper long frame 400 has the elastic cord D installed inside, and each of the frames can be made up of a plurality of sections, and the plurality of sections is configured so that any one section is inserted and fitted into the other section in coupling portions engaged with each other. The elastic cord D is made up of a line having elasticity to serve to pull each section inward and connects the portions made up of the plurality of sections by a single frame, while passing through an internal hollow hole of each frame in a lengthwise direction.
Referring to FIGS. 6a to 6d, the chair seat 500 forms a seat portion 510, a backrest portion 520 and a side portion 530. The top both end of the upper short frame 300 and the upper long frame 400 toward the outside are disposed and formed to open each other outward. When end caps 311, 411 provided in each of the insertion sections 310, 410 are inserted and connected into the pocket 540 formed on the corners of the of the chair seat 500, the chair seat 500 connected to the insertion portions 310, 410 is pulled to a slightly tension state, the seat portion 500 for seating is provided on the lower side, the backrest portion 520 is provided to support the back, and the side portions 530 are formed on both sides so that arms can be supported thereon.
Further, the chair seat 500 referred to as a seat back that is a portion on which a seating person sits is made of sewn pieces of the woven textile such as canvas, and the pockets 540 such as a tube receptacle are formed in each of four corners.
The pocket 510 is made up of webbing sewn of a fabric made of polyester, nylon, acrylic, polyurethane alone or synthetically, and the insertion portions 310 and 410 are configured to slide inside or outside and are detachably connected. In this way, the pocket 510 is connected to the insertion portions 310 and 410, the chair seat 500 is opened, in the connected state, the upper short frame 300 and the upper long frame 400 are in a slight tension state that pulls the insertion portions 310 and 410 together, whereby a user can sit on the chair seat 500.
At this time, after the end caps 311 and 411 formed at the end of the insertion portions 310 and 410 slide into and come into close contact with the pocket 5400, they come into close contact with the interior of the pocket 510 due to the tension state of the upper short frame 300 and the upper long frame 400, thereby preventing the insertion portions 310 and 410 from being unintentionally disengaged from the pocket 540.
Furthermore, the upper short frame 300 is connected to the front of the chair seat 500 to support the seat portion 510 on which the user sits, the upper long frame 400 is connected to the rear of the chair seat 500 to support a backrest 520 against which a user supports, and the side portions 530 are formed on both sides so that the user can sit while supporting both arms.
At the same time, the chair seat 500 maintains the tight tension state to prevent the seat portion 510 from coming into contact with the central hub 100, thereby preventing the user's load from being directly applied to central hub 100, and it is possible to prevent the collapse of the frame structure 1.
Thus, the supporting force to the user's vertical load is reinforced, the supporting force tilted to the back of the user increases, rigid coupling is maintained, and rigid durability enough to be able to sufficiently support the user's load is provided.
When releasing and separating the coupling of the respective sections of the lower short frame 200, the upper short frame 300 and the upper long frame 400, since the sections are folded by the elastic cord D exposed to the outside and is compactly deformed, the chair is wrapped by the skin S as illustrated in FIG. 8 or is easily stored and carried while being placed in a small bag B as illustrated in FIG. 9.
Eventually, the frame structure 1 of the simple chair according to the present invention, since it is easily assembled, it possible to compactly fold and store the frame structure, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by the central hub, the frame structure has rigid durability enough to be able to sufficiently support the user's load.
As described above, although particular embodiment has been described to explain the present invention, the present invention is not limited to these specific examples. Thus, various modifications, applications and the combinations of the several features of the described embodiments can be performed without departing from the scope of the invention as set forth in the appended claims.
Since the frame structure of the simple chair according to the present invention is easily assembled, can be compactly folded and stored, it has excellent portability, has a simple structure, is easily manufactured, and is provided as a structure that has a rigid coupling force by being supported by a central hub, and the frame structure has rigid durability enough to be able to sufficiently support the user's load. Thus, it has industrial availability.
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Claims (7)
1. A frame structure of a simple chair comprising:
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support;
a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at a lower end being in contact with a floor surface;
a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat, wherein the upper connecting tube is formed to be inclined upward at a predetermined angle, an upper reinforcing rib is formed at a top, and a plurality of upper reinforcing ribs is connected to each other at the center, wherein the upper connecting tube and the lower connecting tube are connected to one another by a supporting rib.
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support;
a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at a lower end being in contact with a floor surface;
a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat, wherein the upper connecting tube is formed to be inclined upward at a predetermined angle, an upper reinforcing rib is formed at a top, and a plurality of upper reinforcing ribs is connected to each other at the center, wherein the upper connecting tube and the lower connecting tube are connected to one another by a supporting rib.
2. A frame structure of a simple chair comprising:
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support;
a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at a lower end being in contact with a floor surface;
a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat, wherein the lower connecting tube is formed to be inclined downward at a predetermined angle, a lower reinforcing rib is formed at the bottom, and a plurality of lower reinforcing ribs is connected to each other at the center, wherein the upper connecting tube and the lower connecting tube are connected to one another by a supporting rib.
a central hub which includes a plate-like support, an upper body provided by a plurality of upper connecting tubes radially formed above the support and a lower body provided by a plurality of lower connecting tubes formed below the support;
a plurality of lower short frames which is detachably connected to the lower connecting tubes, has an elastic cord provided inside and has a bottom portion formed at a lower end being in contact with a floor surface;
a plurality of upper short frames which is detachably connected to the upper connecting tubes, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seat portion of the chair seat; and a plurality of upper long frames which is detachably connected to the upper connecting tubes, has a bent portion formed at a center, has an elastic cord provided inside and has an insertion portion formed at an upper end being inserted into corners of a seatback portion of the chair seat, wherein the lower connecting tube is formed to be inclined downward at a predetermined angle, a lower reinforcing rib is formed at the bottom, and a plurality of lower reinforcing ribs is connected to each other at the center, wherein the upper connecting tube and the lower connecting tube are connected to one another by a supporting rib.
3. The frame structure of the simple chair of either claim 1 or claim 2, wherein the lower short frame has a bottom cap formed in the bottom.
4. The frame structure of the simple chair of either claim 2 or claim 3, wherein the upper short frame and the upper long frame has an end cap formed in the insertion portion.
5. The frame structure of the simple chair of claim 4, wherein the insertion portion is inserted into a pocket provided in the corner of the sheet chair and is coupled with the chair seat, and the seat portion of the chair seat is not in contact with the central hub.
6. The frame structure of the simple chair of either claim 2 or claim 3, wherein the bent portion is formed to be rounded-bent in the lower part of the upper long frame.
7. The frame structure of the simple chair of either claim 2 or claim 3, wherein at least one or more of the lower short frame, the upper short frame and the upper long frame includes a plurality of sections.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2015-0000819 | 2015-02-04 | ||
KR2020150000819U KR200477598Y1 (en) | 2015-02-04 | 2015-02-04 | Frame assembly of simple chair |
PCT/KR2015/001515 WO2016125942A1 (en) | 2015-02-04 | 2015-02-16 | Frame structure of portable chair |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2913300A1 CA2913300A1 (en) | 2016-08-04 |
CA2913300C true CA2913300C (en) | 2017-09-12 |
Family
ID=56557959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2913300A Expired - Fee Related CA2913300C (en) | 2015-02-04 | 2015-02-16 | A frame structure of simple chair |
Country Status (1)
Country | Link |
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CA (1) | CA2913300C (en) |
-
2015
- 2015-02-16 CA CA2913300A patent/CA2913300C/en not_active Expired - Fee Related
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Publication number | Publication date |
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CA2913300A1 (en) | 2016-08-04 |
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