CN104287500A - Internal support for backrest for chair - Google Patents
Internal support for backrest for chair Download PDFInfo
- Publication number
- CN104287500A CN104287500A CN201410334244.3A CN201410334244A CN104287500A CN 104287500 A CN104287500 A CN 104287500A CN 201410334244 A CN201410334244 A CN 201410334244A CN 104287500 A CN104287500 A CN 104287500A
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- CN
- China
- Prior art keywords
- backrest
- chair
- horizontal wall
- frame
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/42—Support for the head or the back for the back of detachable or loose type
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to an improved reinforcement backrest for a chair. The improved reinforcement backrest for the chair includes a reinforcement member such as a metal plate inserted into the backrest to provide reinforcement support when a person sitting in the chair leans against the backrest. The reinforcement member includes connection members by which the backrest is removably inserted and retained in the rear section of the chair. The reinforcement member is preferably metal such as steel to withstand the force of a heavy person leaning against the backrest, but other materials such as strong carbon fiber will also provide adequate reinforcement support.
Description
Technical field
The present invention relates to field of furniture and be specifically related to chair, it has the backrest of the comfort level bringing increase when user is sitting on chair.
Background technology
Below 13 patents and disclosed patent application related to the present invention:
Authorize the U.S. Patent number 2,169,197 that the title of Clair S.Reed is " armchair structure (Seat Structure) " (following is " Reed patent ") on August 8th, 1.1939;
Authorize the U.S. Patent number 2,186,301 that the title of Harold C.La More is " over-stuff seat beating structure (Upholstered Seat Beat Structure) " (following is " La More patent ") on January 9th, 2.1940;
Authorize the U.S. Patent number 2,265,901 that the title of James W.Greig is " armchair structure (Seat Structure For Vehicles) for vehicle " (following is " Greig patent ") on December 9th, 3.1941;
Authorize the U.S. Patent number 3 that the title of DeWitt Y.Gorman is " method of chair cover system and device (Upholstery System Method And Apparatus) " (following is " Gorman patent ") on July 29th, 4.1975,896,531;
Authorize the U.S. Patent number 4,815,789 that the title of Fred Marcus is " chair external member (Chair Kit) " (following is " Marcus patent ") on March 28th, 5.1989;
Authorize the U.S. Patent number 4 that the title of Herbert C.Saiger is " chair frame and cushion module (Chair Frame And Cushion Assembly) " (following is " Saiger patent ") on May 9th, 6.1989,828,320;
Authorize the U.S. Patent number 5,316,375 that the title of William R.Breen is " back rest supports and inner frame (Back Support And Internal Frame) " (following is " Breen patent ") on May 31st, 7.1994;
Authorize the U.S. Patent number 5 that the title of the people such as Alain Cayet is " the seat element (Vehicle Seat Element Including A Cover Tensioned Over A Metal Frame) comprising the sheath be stretched on metal framework " (following is " Cayet patent ") on August 3rd, 8.1999,931,538;
Authorize the U.S. Patent number 6,726,691 that the title of the people such as Marcus C.Koepke is " back structure (Chair Back Construction) " (following is " Koepke patent ") on May 4th, 9.2004;
Authorize the U.S. Patent number 6,752,464 that the title of Chuen-Jong Tseng is " combined furniture frame (Modular Furniture Frame) " (following is " Tseng patent ") on June 22nd, 10.2004;
Authorize the U.S. Patent number 7,708,345 that the title of the people such as Daniel Grabowski is " chaise longue (Recliner) " (following is " Grabowski patent ") on May 4th, 11.2010;
Authorize the U.S. Patent number 8 that the title of Gregory W.Goeckel is " the supportive backrest for wheelchair backrest covers (Supportive Back Overlay For Wheelchair Back) " (following is " Goeckel patent ") on November 22nd, 12.2011,061,771;
The title authorizing Hector Noel Marini on February 5th, 13.2013 is the U.S. Patent number 8 of " the removable backrest shell (Removable Back Shell For An Aircraft Seat) for aircraft seat " (following is " Marini patent "), 366,044.
Marcus patent discloses following many relevant informations:
" the present invention is directed to and be merged into assembly in chair and sub-component, for the chair external member comprising these assemblies and sub-component, and for chair itself.It comprises and is merged into the basic seat support for rectangle in chair and backrest cushion sub-component.Seat support and backrest cushion sub-component can be easy to remove from chair and be put back into chair itself, thus are convenient to change fixing internal foam pad.The present invention also comprises novel apparatus cushion being fastened to chair.This device comprises rigidity, the basic chair base frame component for rectangle, and this component has along the relative slit of its inner transverse.What at least one was fixedly secured is attached to this chair base frame component with the chair leg of at least one reception screw fastening actively.”
Cayet patent is the seat element comprising the sheath be stretched on metal framework.Which disclose:
" seat element is covered by the sheath with four transverse panels be folded on rigid frame.Two transverse panels respect to one another are present near its free margins buttonhole, and this buttonhole is engaged in not to be had sharp limit and be secured on the boss of rigid frame.Not extensile flexible strand is sewed up along the free margins of sheath between described free margins and corresponding buttonhole.”
Koepke patent discloses the chair structure with the metal framework be merged in chair.Particularly, which disclose:
" a kind of back is disclosed, and comprises the Web materials being connected to two-piece type carrier, and this carrier is deformable and extensile.Carrier has the bottom margin that comprises groove and is pieceable by the boss being attached to chair frame assembly cross member.The upper end of carrier is each comprises the opening of the bulb part of the upper end for receiving chair frame assembly.The joint of carrier and chair frame assembly by stretching carrier and net realizes between cross member and bulb part.Back comprises through installing with the lateral edges along carrier and supporting the Lumbar/lumbar support of sliding along the vertical of chair frame assembly, and this Lumbar causes chair tensioning forward.Back is pivot under the impact of chair user, and is pivotally connected to seat seat is correspondingly pivoted.”
Grabowski about chaise longue patent discloses:
" one embodiment of the present of invention comprise chaise longue, and it comprises: comprise the chair frame of front and rear framing component, two parallel side frame members, wherein each side frame member can be attached to front and rear component; The seat support supported by least two framing components; Backrest; A pair chair leg, wherein framing component is connected to chair leg; Comprise the first and second mechanism of support, this support can be attached to backrest, to complete the banking motion of backrest along with support motion through the bracket groove of respective shapes in chaise longue base, its medium-height trestle rotates about the axis, and this axis is close to the position of the rotation of seated person hip.”
Reed patent discloses the solid metal frame assembly in built-in chair, makes the split-frame assembly be not built in cushion.
La More patent discloses: the improvement of over-stuff seat backrest structure.
Main purpose of the present invention is:
The first, provide a kind of backrest structure, this backrest structure is highly suitable for the seat etc. in arenas and auditorium, and the while of attractive in appearance, allows the change easily removing chair cover.
The second, the chair backrest structure of this characteristic is provided, wherein can by the very fast application chair cover of relative roustabout.
3rd, provide a kind of chair backrest structure, it can mainly be produced with sheet metal stamping parts economically, and simultaneously when manufacturing with thin-wall metal wherein parts through arrange to make them not upspring or be out of shape.
The open armchair structure for vehicle of Greig patent.With reference to figure 3, show the spring frame assembly be built in backrest.This patent further discloses:
" in accompanying drawing, show the car seat structure according to some embodiment structure of the present invention by example.With reference to accompanying drawing particularly Fig. 1 and Fig. 2, the structure shown in it roughly comprises backrest 22, lower cushion 12 and the device for being tightened together by these elements usually.Backrest and cushion are configured to each of them can be manufactured dividually, and are assembled together after they each completes.When assembled, together, backrest and lower cushion provide individual unit.When assembling in vehicle, lower cushion is non-removable and firmly remain in position.”
Gorman patent discloses the concept be built into by framework backrest in whole chair, and wherein cushion matches framework backrest effectively, as optimum illustration explanation in Fig. 2.
Saiger patent discloses chair frame and cushion module.Framing component is built into chair itself instead of in the cushion separated.
Breen patent discloses back rest supports and inner frame.Particularly, which disclose:
" framework used together with back rest supports is provided, this back rest supports for providing cross-brace to encourage correct sitting posture when individual takes one's seat, and also according to the body size of individual for individual provides Lumbar.Framework comprises backlimb part, its projection become to cause the core of framework as cross-brace and torque arm, thus supports the lumbar region of the individual leaning against the back rest supports merging framework.The support unit that framework can be merged into Portable support unit or arrive as chair global facility.”
Patent discloses:
" be provided for the framework of back rest supports unit in one aspect of the invention, described framework comprises:
A core that () laterally also extends in the axial direction,
(b) a pair backlimb part, described backlimb part from each side of described core in the opposite direction laterally and forward direction extends one,
C () described core comprises multiple spaced and that extend on described axial direction post and supports,
(d) described core comprise further multiple laterally extending and be connected to described post support crossing members,
E at least one in () described crossing members has the backlimb parts laterally extending to described backlimb part for a pair, when people sits against described backrest, described backlimb parts are recessed backward, and the motion backward of described backlimb parts causes a described core outstanding at least adjacent described crossing members forward, and therefore presenting convex shape, this convex provides Lumbar for described people.”
Tseng patent discloses the concept on cushion with metal backrest.This patent further discloses:
" with reference to figure 5, illustrate and comprise seat frame unit 2 according to the preferred embodiment of sectional furniture framework of the present invention, be arranged on the chair leg cushion 3 (see Fig. 6) in seat frame unit 2 front, the back frame unit 4 being arranged on seat frame unit 2 rear and the pair of armrests frame unit 5 be arranged on the opposed transverse sides of seat frame unit 2.In actual use, seat frame unit 2, back frame unit 4 and handrails framework unit 5 through decoration to form sofa, as shown in optimum in Fig. 6.
Seat frame unit 2 comprises pair of parallel upstanding side frame parts 21, and it is each has front-end and back-end respect to one another in a first direction.Lateral frame piece 21 is spaced apart each other in the second direction lying across first direction.Coupling member 23 after seat frame unit 2 comprise the rear end being connected to lateral frame piece 21 further a pair, be arranged on the front end of lateral frame piece 21 before a pair coupling member 22, be arranged on a pair installation component 24 on front coupling member 22 and strut 25.Rear coupling member 23 for installing back frame unit 4 on seat frame unit 2, and the installation component 24 on front coupling member 22 for installing chair leg cushion 3 on seat frame unit 2.”
The supportive backrest that Goeckel patent discloses for wheelchair is attached.Which disclose:
" a kind of supportive backrest, it is for being attached to the original-pack backrest of wheelchair to strengthen the support performance of wheelchair backrest.Supportive backrest comprises cushion, hanging element and sheath.The side of cushion and hanging element is positioned in sheath.The opposite side of hanging element be exposed and between it and cushion restriceted envelope.Hanging element slides with the position suspension strut backrest after seated person above the original-pack backrest top edge of wheelchair.Hanging element can be attached to sheath or by molded or be attached to cushion by being attached anchor.”
Marini patent discloses the concept being incorporated to by metallic member and also then placing cushion in chair thereon.
Summary of the invention
The present invention is the reinforcement backrest of the improvement for chair, and it comprises stiffener, is such as inserted into the metallic plate of backrest, makes to provide when being sitting in the people on chair and leaning on backrest to strengthen supporting.Stiffener comprises connecting elements, inserts backrest removedly and hold it in the rear portion of chair by this connecting elements.Reinforcement is preferably metal such as steel, and to bear strength when heavy people leans on backrest, but other materials such as strong carbon fibre also can provide enough reinforcements to support.
Therefore, the reinforcement that main purpose of the present invention is to provide the backrest of chair supports, and bears to enable backrest the huge static force leaning on backrest when people is sitting on chair.
A further object of the present invention is that stiffener is remained in backrest, and also provides the cushion material in backrest to provide comfort level and intensity to backrest.
Object of the present invention is also to provide the reinforcement backrest be removably retained in chair, makes backrest can be cleaned and replaceable if desired.
Other object of the present invention is to provide the stiffener in the group being selected from and being made up of steel, titanium, other robust metallic materials and sturdy material (as carbon fiber).
The present invention is defined as the backrest for chair, it comprises enables chair locate chair pin on a horizontal surface and seat support, chair comprises further: (a) back frame member, it comprises: the first lateral frame piece extending to horizontal surface at its bottom end place, bottom it, place extends to the second lateral frame piece of horizontal surface, supported by the first lateral frame piece and the second lateral frame piece and be in the lower horizontal frame member between them, first lateral frame piece has top and the second lateral frame piece has top, this apical support is parallel to lower horizontal frame member and from the isolated upper horizontal frame member of lower horizontal frame member, first lateral frame piece, second lateral frame piece, lower horizontal frame parts and upper horizontal frame member surround the opening being wherein placed with and strengthening backrest, b () is strengthened backrest and is comprised the steel frame component with bottom horizontal wall and upper horizontal wall, this bottom horizontal wall has separate tip (prong) from laterally extending two of bottom horizontal wall, and on this, horizontal wall has and separates tip from laterally extending two of upper horizontal wall, and to extend from bottom horizontal wall and upper horizontal wall and to be connected respectively to the multiple spaced-apart parallel cross member of bottom horizontal wall and upper horizontal wall, c () reinforced frame Component Embedding, in backrest, to make steel frame component be coated with inner cushioning material and outside backrest material, wherein separates tip under two and extends the bottom of backrest and two separate the top that tip extends backrest, and (d) is inserted into the backrest of the opening surrounded by the back part component of afterframe, in the inner surface of upper horizontal frame member, to receive in opening tip on received two coupling is female respectively, and in the inner surface of lower horizontal frame member, receive received two lower tips in opening coupling is female respectively.
Broadly define, the present invention is the backrest for chair, it comprises: (a) frame parts, it comprises: the first lateral frame piece, the second lateral frame piece, lower horizontal frame member and upper horizontal frame member, and it is fixed together to surround the inside opening being wherein placed with and strengthening backrest; B () is strengthened backrest and is comprised the reinforced frame component with bottom horizontal wall and upper horizontal wall, this bottom horizontal wall has separate tip from laterally extending two of bottom horizontal wall, and on this, horizontal wall has and separates tip from laterally extending two of upper horizontal wall; And to extend from bottom horizontal wall and upper horizontal wall and to be connected respectively to the multiple spaced-apart parallel cross member of bottom horizontal wall and upper horizontal wall; C () reinforced frame Component Embedding, in backrest, to make reinforced frame component inner cushioning material and outside backrest material cover, wherein separates tip under two and extends the bottom of backrest and two separate the top that tip extends backrest; And
D () is inserted into the backrest of opening, be accepted to make the coupling mother of two upper tips respectively in the inner surface of upper horizontal frame member receive in opening, and female the reception in opening of the coupling of two lower tips respectively in the inner surface of lower horizontal frame member is accepted.
Define the most widely, the present invention is the frame parts that (a) comprises the framing component around inside opening, strengthens backrest and is placed in this opening; B () is strengthened backrest and is comprised the reinforced frame component with main body, this main body has the attachment members extending main body; C () reinforced frame Component Embedding makes reinforcing frame component inner cushioning material and outside backrest material cover in backrest, it has the attachment members extending backrest; And (d) is inserted into the backrest of inside opening, makes in attachment members difference coupling receiving member in the frame received, backrest is remained in framework.
Further novel feature of the present invention and other object below in conjunction with accompanying drawing detailed description, discuss and the claim of enclosing obvious by what become.
Accompanying drawing explanation
Be only and illustrate and unrestriced object reference accompanying drawing especially, illustrate at this:
Fig. 1 comprises the perspective view that the present invention strengthens the chair of backrest;
Fig. 2 is the perspective view of steel frame component of the present invention;
Fig. 3 is the sectional view of the reinforcement backrest along Fig. 1 center line 3-3 intercepting;
Fig. 4 is the interior views of the upper horizontal frame member of chair back part, and it illustrates and receives the mother of tip a pair from steel plate member respectively and receive opening;
Fig. 5 is the interior views of the lower horizontal frame member of chair back part, and it illustrates the mother receiving a pair tip from steel plate member respectively and receives opening; And
Fig. 6 is the perspective view that backrest strengthened by the steel be inserted in chair back frame member.
Detailed description of the invention
Although describe specific embodiments of the invention referring now to accompanying drawing, should be understood that these embodiments only exemplarily and only illustrate the minority that can represent in the many possible specific embodiment of the application of principle of the present invention.Variations and modifications are obvious for those skilled in the art, think that subordinate of the present invention is in spirit of the present invention, scope and imagination, as defined further in the appended claims.
With reference to figure 1 and Fig. 2, illustrate the perspective view of the chair strengthening back in conjunction with metal framework of the present invention.Chair 100 comprises four chair legs 110,120,130 and 140.Every bar chair leg has the bottom part 112,122,132 and 142 on contact floor 1000, and the top component 114,124,134 and 144 of support level basic framework 150, horizontal base framework 150 has front baffle parts 152, front baffle parts 152 have first end 154, and first end 154 sentences the chair leg 110 supporting cross frame parts 154 and 162 top component 114 at the first end 162 of the first side component 160 is connected to the first side component 160.Similarly, front baffle parts 152 have the second end 156, second end 156 sentences the chair leg 120 supporting cross frame parts 156 and 172 top component 124 at the first end 172 of second side edge 170 and are connected to second side edge 170.Framework comprises back parts 180.First arm support member 220 supports the first arm 230 being fixed on back part, and the second arm support member 240 supports the second arm 250 being fixed on the contrary back part of chair.
The backrest of chair 100 extends to back frame member 290, its be included in its bottom end 302 place extend to floor 1000 the first lateral frame piece 300, bottom it, 322 places extend to second lateral frame piece 320, first horizontal frame member 340 on floor.Seat support 190 is supported in four frame parts 152,160,170 and 180.The inner vertical surface 342 of back frame member 180 by keeping the instrument of such as support 182 and 184 to be fixed in the first horizontal frame member 340.First lateral frame piece 300 has top 304, and the second lateral frame piece 320 has the top 324 supporting upper horizontal frame member 360.The each inner surface 308,328,348 and 360 had around opening 400 (see Fig. 6) of frame parts 300,320,340 and 360, the present invention strengthens backrest 500 and is placed in this opening 400.Backrest has front surface 540 and rear surface 560.
In the chair that majority is traditional, backrest is the pad simply with internal foam 530, and therefore pad is soft, and athlete is curved backing cushion can be made to bend when leaning against above and damage their back.With reference to figure 2, Fig. 3, Fig. 4 and Fig. 5, innovation of the present invention is to have steel frame component 600 as shown in Figure 2, wherein steel frame component 600 has bottom horizontal wall 620, and bottom horizontal wall 620 has and separates tip 640 and 650 from laterally extending two of bottom horizontal wall 620.Steel frame component 600 also comprises horizontal wall 660, and upper horizontal wall 660 has from two laterally extending isolated tips 670 and 680 of upper horizontal wall 660.Steel frame component 600 also has multiple isolated parallel transverse component, and as 700,710,720,730 and 740, it extends from bottom horizontal wall 620 and upper horizontal wall 660 and is connected respectively to bottom horizontal wall 620 and upper horizontal wall 660.Intermediate supports is provided from the cross member 700 and 740 of the respective end of steel frame component and intermediate cross members 710,720 and 730.Should be understood that any multiple cross member and intersecting vertical are parallel to bottom horizontal wall 620 and upper horizontal wall 660 to form the component of cross support style within the spirit and scope of the present invention in cross member.
Steel frame component 600 is embedded in backrest 500, cover to make the steel frame component 600 outside backrest material 510 be selected from group that cloth, leather, suede, cotton, wool and vinyl and interior foam 530 form, to provide buffering to backrest 500.
With reference to figure 4, Fig. 5 and Fig. 6, illustrate the steel beam column be inserted in opening 400 and strengthen backrest 500, this opening 400 is surrounded by the respective inner surface 308,328,348 and 368 on the framework surface 300,320,340 and 360 of the afterframe 290 of chair 100, two the coupling mothers of upper tip 670 and 680 respectively in the inner surface 368 of upper horizontal frame member 360 receive in opening 365 and 367 received, and two the coupling mothers of lower tip 640 and 650 respectively in the inner surface 348 of lower horizontal frame member 340 receive in opening 345 and 347 received.Therefore, strengthen backrest 500 firmly to remain in afterframe 290 and chair 100.Strengthen backrest 500 removable, make it can be cleaned or replace with new reinforcement backrest.
Stiffener 600 is preferably made of steel, but other robust metallic material, such as titanium or robust support material (as carbon fiber) are also within the spirit and scope of the present invention.
Certainly; the present invention is not intended to restriction any particular form disclosed herein or structure; or any specific embodiment; or any concrete purposes; owing to illustrating above and to revise in various feature or relation identical things with when the spirit or scope required for protection described when not departing from the present invention, the device shown in it or method are only intended to for the explanation of operability embodiment and open and all various forms that wherein the present invention can be implemented or operate or amendment are not shown.
Claims (14)
1., for a backrest for chair, it comprises enables described chair locate chair pin on a horizontal surface and seat support, and described chair comprises further:
A. back frame member, it comprises: the first lateral frame piece extending to described horizontal surface at its bottom end place, bottom it, place extends to the second lateral frame piece of described horizontal surface, supported by described first lateral frame piece and described second lateral frame piece and be in the lower horizontal frame member between them, described first lateral frame piece has top and described second lateral frame piece has top, described apical support is parallel to described lower horizontal frame member and the upper horizontal frame member be spaced from described lower horizontal frame member, described first lateral frame piece, second lateral frame piece, lower horizontal frame parts and upper horizontal frame member are enclosed in the opening wherein placed and strengthen backrest,
B. described reinforcement backrest comprises the steel frame component with bottom horizontal wall and upper horizontal wall, described bottom horizontal wall has separate tip from laterally extending two of described bottom horizontal wall, and described upper horizontal wall has and separates tip from laterally extending two of described upper horizontal wall; With multiple parallel transverse component separated, described multiple parallel transverse component separated extends from described bottom horizontal wall and described upper horizontal wall and is connected respectively to described bottom horizontal wall and described upper horizontal wall;
C. in backrest described in described steel frame Component Embedding, described steel frame component inner cushioning material and outside backrest material are covered, separates tip under wherein said two and extend the bottom of described backrest and described two separate the top that tip extends described backrest; And
D. the described backrest of the described opening surrounded by the back part component of described afterframe is inserted into, respectively on described horizontal frame member inner surface in coupling mother receive tip on described two received in opening, and the coupling mother respectively in the inner surface of described lower horizontal frame member receives described two lower tips received in opening.
2. backrest according to claim 1, it comprises further: described backrest is removable from described chair.
3. backrest according to claim 1, it comprises further: described padded coaming is foam.
4. backrest according to claim 1, it comprises further: described outer covering material is made up of the material being selected from group that cotton, wool, leather, suede and vinyl form.
5., for a backrest for chair, it comprises:
A. frame parts, it comprises: the first lateral frame piece, the second lateral frame piece, lower horizontal frame member and upper horizontal frame member, and it is fixed together to be enclosed in the inside opening wherein placed and strengthen backrest;
B. described reinforcement backrest comprises the reinforced frame component with bottom horizontal wall and upper horizontal wall, described bottom horizontal wall has separate tip from laterally extending two of described bottom horizontal wall, and described upper horizontal wall has and separates tip from laterally extending two of described upper horizontal wall; With multiple parallel transverse component separated, described multiple parallel transverse component separated extends from described bottom horizontal wall and described upper horizontal wall and is connected respectively to described bottom horizontal wall and described upper horizontal wall;
C. in backrest described in described reinforced frame Component Embedding, described reinforced frame component inner cushioning material and outside backrest material are covered, separates tip under wherein said two and extend the bottom of described backrest and described two separate the top that tip extends described backrest; And
D. the described backrest in described opening is inserted into, make described two upper tips respectively on described horizontal frame member inner surface in coupling mother receive in opening received, and the coupling mother of described two lower tips respectively in the inner surface of described lower horizontal frame member receives in opening received.
6. backrest according to claim 5, it comprises further: described backrest is removable from chair.
7. backrest according to claim 5, it comprises further: described padded coaming is foam.
8. backrest according to claim 5, it comprises further: described outer covering material is made up of the material being selected from group that cotton, wool, leather, suede and vinyl form.
9. backrest according to claim 5, it comprises further: described stiffener is made up of the material being selected from group that steel, titanium and Merlon form.
10., for a backrest for chair, it comprises:
A. frame parts, it comprises the framing component being enclosed in and wherein placing the inside opening strengthening backrest;
B. described reinforcement backrest comprises the reinforced frame component with main body, and described main body has the attachment members extending described main body;
C., in backrest described in described reinforced frame Component Embedding, described reinforced frame component inner cushioning material and outside backrest material are covered, and wherein said attachment members extends described backrest; And
D. be inserted into the described backrest of described inside opening, make in the coupling receiving member of described attachment members respectively in described framework received, described backrest is remained in described framework.
11. backrests according to claim 10, it comprises further: described backrest is removable from described chair.
12. backrests according to claim 10, it comprises further: described padded coaming is foam.
13. backrests according to claim 10, it comprises further: described outer covering material is made up of the material being selected from group that cotton, wool, leather, suede and vinyl form.
14. backrests according to claim 10, it comprises further: described stiffener is made up of the material being selected from group that steel, titanium and Merlon form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/947,007 US20150021971A1 (en) | 2013-07-19 | 2013-07-19 | Internal support for a backrest for a chair |
| US13/947,007 | 2013-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104287500A true CN104287500A (en) | 2015-01-21 |
Family
ID=52307652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410334244.3A Pending CN104287500A (en) | 2013-07-19 | 2014-07-15 | Internal support for backrest for chair |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20150021971A1 (en) |
| CN (1) | CN104287500A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109090881A (en) * | 2018-08-24 | 2018-12-28 | 美物德品（北京）科技有限公司 | A kind of carbon fiber Lumbar |
| USD927876S1 (en) * | 2019-11-22 | 2021-08-17 | Rh Us, Llc | Chair |
| USD927877S1 (en) * | 2019-11-22 | 2021-08-17 | Rh Us, Llc | Sofa |
| WO2024055021A1 (en) * | 2022-09-08 | 2024-03-14 | Anthro Form, Llc | Chair having interchangeable decorative feature |
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| US5478133A (en) * | 1993-02-03 | 1995-12-26 | L&P Property Management Company | Motion furniture construction |
| US5570874A (en) * | 1994-08-25 | 1996-11-05 | Matrex Furniture Components, Inc. | Furniture spring assembly with elastic webbing |
-
2013
- 2013-07-19 US US13/947,007 patent/US20150021971A1/en not_active Abandoned
-
2014
- 2014-07-15 CN CN201410334244.3A patent/CN104287500A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8240760B2 (en) * | 1998-10-26 | 2012-08-14 | Trc Recreation, Lp | Buoyant pool chair with sealed frame |
| US6491345B1 (en) * | 2000-09-08 | 2002-12-10 | Mcguire Furniture Company, Inc. | Seat having interchangeable inserts |
| CN2523288Y (en) * | 2002-01-24 | 2002-12-04 | 曾宪华 | Portable multifunctional chair |
| CN101044942A (en) * | 2006-03-28 | 2007-10-03 | 国誉家具株式会社 | Chair |
| CN101677693A (en) * | 2007-05-29 | 2010-03-24 | 伊藤喜有限公司 | Rocking chair |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150021971A1 (en) | 2015-01-22 |
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Application publication date: 20150121 |