US3724402A - Webbed panel for chairs - Google Patents
Webbed panel for chairs Download PDFInfo
- Publication number
- US3724402A US3724402A US00152071A US3724402DA US3724402A US 3724402 A US3724402 A US 3724402A US 00152071 A US00152071 A US 00152071A US 3724402D A US3724402D A US 3724402DA US 3724402 A US3724402 A US 3724402A
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- Prior art keywords
- frame
- loop
- corners
- loops
- reaches
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- A47C7/02—Seat parts
- A47C7/22—Straps or the like for direct user support or for carrying upholstery
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S160/00—Flexible or portable closure, partition, or panel
- Y10S160/15—Web-to-tube fasteners
Definitions
- Patio or lawn furniture is frequently constructed of panels each having a generally rectangular metal frame with strips of plastic or fabric webbing interwoven or otherwise extending between portions of the frame.
- a single length of flexible material is wound around spaced parallel portions of the frame to form a back or seat rest.
- one or more lengths of material are wound back and forth between frame portions and are interwoven with each other.
- Still another commonly used construction embodies many short straps of webbing material each of which extends only one span between two frame portions with the ends thereof suitably locked to the frame.
- An object of the present invention is to provide a panel for a webbed type patio chair or the like which has the strength and durability of conventional panels and yet which may be assembled at a relatively low cost and repaired quickly and easily by the owner of the chair without special training.
- Another object of the invention is to provide a panel for a webbed chair wherein the basic web structure comprises a plurality of webbing members all of which have an identical size and shape and which retain their original position on the framework by reason of their intertwining relation without the use of auxiliary locking means.
- Still another object is to provide a chair panel with a webbed flexible surface and wherein it is unnecessary to weaken the panel frame by providing multiple webbing retention slots therein.
- the invention broadly comprises a square or rectangular frame member adapted to serve as the seat or back member of a lawn chair or chaise lounge or the like and a plurality of equal sized loops of flexible resilient material such as plastic stretched over opposing corners of the frame so that the loops form different rectangular shapes with the reaches thereof arranged in a diagonal interwoven manner.
- FIG. 1 is a perspective view of a closed loop of the webbing material used in the construction.
- FIG. 2 is a section through the loop taken on line 2 2 of FIG. 1.
- FIG. 3 is a plan view of a square frame with the first loop applied to its permanent position thereon.
- FIG. 4 is similar to FIG. 3 with three additional loops applied thereto during assembly.
- FIG. 5 is a section through a corner of the frame taken on line 55 of FIG. 4.
- FIG. 6 is similar to FIGS. 3 and 4 with the panel in completely assembled condition.
- FIG. 7 is similar to FIG. 6 but shows a modified form of the invention.
- FIG. 8 is a section through the corner of the frame taken on line 8-8 of FIG. 7.
- FIG. 9 is a plan view showing partial assembly of another modified form of the invention.
- FIGS. 3 through 6 the numeral 14 denotes a square frame of tubular metal such as might be used for the seat or back of a lawn or patio chair.
- Frame 14 has four equal side bars 15, 16, 17 and 18 connected by rounded corner portions 19, 20, 21 and 22.
- the opposing side bars such as 16 and 18 or 15 and 17 may be slightly curved out of the plane of the frame to give the panel a body conforming curvature as is generally desirable in a chair seat or back.
- the webbing providing the flexible surface within the frame 14 is made up of a plurality of identical loops or belts 24 (FIGS. 1 and 2). These loops are formed of a slightly resilient flexible plastic material such as vinyl and may be injection molded or extruded and then cut in sections with the ends welded together to form the continuous loop. The material is flat in cross section, in the same manner as conventional webbing, as shown in FIG. 2.
- the first loop 24 is applied to frame 14 as shown in FIG. 3. This is done by spreading the loop between corners 20 and 22 and then stretching the loop ends downwardly around the corners and then sliding the loop outwardly along the bars 15 to 18 to the substantially square condition shown with the reach 24a thereof extending between bars 15 and 16 and parallel reach 24b thereof extending between bars ,17 and 18. On the underside of the frame reach 24c extends between bars 16 and 17 and reach 24d extends between bars 15 and 18.
- the second loop is denoted at 25.
- the end portions of this loop are pulled diagonally of the frame 14 under the reaches 240 and 24d and are then stretched downwardly around comers 20 and 22 and the loop is moved outwardly along bars 15 to 18 to the position shown in FIG. 4 with its reaches 25a and 11 parallel to and spaced inwardly from reaches 24a and b and its reaches 25c and d parallel to and spaced outwardly from reaches 24c and d.
- the third loop is denoted at 26.
- One end portion of this loop is placed over reach 24d, then threaded under reach 25d, then stretched downwardly around frame comer 22.
- the other end portion is placed over reach 24c, then threaded under reach 25c and stretched downwardly over frame corner 20 and the loopis moved outwardly along bars 15 to 18 to the position shown in FIG. 4.
- the fourth loop is denoted at 27.
- One end portion of this loop is threaded under reach 24d, over reach 25d, under reach 26d and then stretched downwardly around corner 22 of the frame.
- the other end portion is threaded under reach 240, over reach 250, under reach 260 and stretched downwardly around comer 20, to the position shown in FIG. 4.
- the corner loop 27 is provided with small fasteners 28 in the end portions 27c and d which are inserted into apertures 29 (FIG. in the frame corner portions and 22 to hold loop 27 in position.
- Loops 30, 31 and 32 are then respectively interwoven into the panel and stretched around the corners 19 and 21 to completely fill the inside of the frame as shown in FIG. 6.
- the last loop 32 also carries fasteners 28 which are inserted into apertures in the corners l9 and 21.
- the completed panel shown in FIG. 6 provides an interwoven webbed section that may be used as a back or a seat in a chair construction.
- the panel is quickly assembled and can be readily repaired by the chair owner should any one of the loops become worn or damaged.
- each loop when applied to the frame as shown and described geometrically forms the hypotenuse of four right angle isosceles triangles, the other legs of which are formed by the frame bars.
- the loops take different rectangular shapes when applied to the frame, the sum of the reaches in each loop span an identical distance. Accordingly, all ofthe loops are of the same size and may be applied interchangeably.
- FIG. 7 An alternate form of the invention is shown in FIG. 7. This utilizes the same basic construction with the diagonally intercrossing loops such as 24. However, here only six loops are used rather than seven and single straps are used to connect the diagonally opposing corners. Strap 40 connects corners 20 and 22 while strap 41 connects corners 19 and 21. These straps are secured to the frame as shown in FIG. 8. Slots 42 are provided on the inside surfaces of the rounded frame corners. One end portion 44 of the strap 41 is inserted into slot 42 in corner 21. The strap is then interwoven through the various webbing loops and the opposite end of the strap is stretched around the opposite frame corner 19 and inserted into the slot 42 therein. End portions 44 are retained in the slots by friction. Strap 40 is applied in the same manner.
- the loop type webbing can also be used on panels that are not square as exemplified in FIG. 9. Elongated rectangular panels of this type are frequently used in chaise lounges or cot-type furniture.
- the rectangular frame is designated generally by the numeral 50 and has elongated side bars 51 and 52 connected by end bars 54 and 55 and corners denoted in a clockwise direction by numerals 56, 57, 58 and 59.
- Loop 60 is applied first downwardly over comer 57 leaving reach 600 extending between bars 54 and 52.
- the loop is then pulled downwardly and to the left as viewed in FIG. 9 and downwardly around bar 51 leaving a reach 60b extending from bar 54 to bar 51 and reach 600 extending from bar to bar 51.
- the loop is pulled from bar 51 downwardly and to the right leaving reaches 60d and 60s extending between side bars 51 and 52.
- the loop is pulled from bar 52 downwardly around corner 59 leaving reach 60f extending between bars 52 and 51, reach 60g extending between bars 52 and and reach h extending between bars 51 and 55.
- loop 61 is applied by one end thereof pulled downwardly around comer 57 leaving reach 61a extending between bars 52 and 54. Loop 61 is then pulled under reaches 60a and 60d and downwardly around bar 51 leaving reach 61b extending from bar 54 to bar 51 and reach 61c extending from bar 52 to bar 51. The loop is then pulled downwardly and to the right, as viewed in FIG. 9, from bar 51 and over reaches 600 and 60f and upwardly around bar 52 leaving reaches 61a and 6le extending between side bars 51 and 52.
- loop 61 is pulled from side bar 52 under reaches 60e and 60h and downwardly around comer 59 leaving reach 61f extending from bar 52 to bar 51, reach 61g extending from bar 52 to bar 55 and reach 61h extending from bar 51 to bar 55.
- corner loops may be fastened to the frame or the single straps similar to but longer than straps 40 and 41 may be used for strength and to complete the interwoven pattern.
- closed loop webbing construction may be used with rectangular frames of various lengths. However, it is found to be most satisfactory where the length dimension of the frame is substantially even multiples of the frame width.
- fastening means acting between each of the loops located most closely adjacent to a frame corner and said adjacent corner for securing said loop against removal from the frame and thereby securing all of the other loops upon the frame.
- said fastening means comprises a snap fastener on the loop inserted into an aperture in the frame.
- said fastening means comprises intercrossing single straps extending between the frame corners and being interwoven with each other and the loop reaches which each crosses, and the ends of said straps being connected to the frame corners.
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A panel for use as the seat or back of a lawn chair or the like wherein strands of webbing extend diagonally between portions of a rectangular peripheral frame to provide a flexible surface, the webbing herein comprising closed loops of a uniform and predetermined size which are interwoven with each other and secured to the frame without independent attachment means.
Description
United States Patent [191 Thyberg et al.
[111 3,724,402 1 Apr. 3, 1973 [54] WEBBED PANEL FOR CHAIRS [75] Inventors: Paul D. Thyberg, St. Paul; Wallace G. Splettstoeszer, Watertown, both of Minn.
[73] Assignee: General Housewares Corp., New
York, N.Y.
22 Filed: June1l,197l
21 Appl.No.: 152,071
[52 US. Cl ..l60/37l, l60/DIG. 15, 297/452 [51] Int. Cl ..A47g 5/00, E06b 3/30 [58] Field oiSearch 160/327, 328, 329, 371,
DIG. 15 160/353;182/138, l39;272/65,70.l; 273/26 A; 297/452,445; 5/186 R, 186 B. 190. 191
[56] References Cited UNITED STATES PATENTS 2,158,225 5/1939 Elmore ..297/452 3,502,330 3/1970 Cheftel ..272/65 FOREIGN PATENTS OR APPLICATIONS 1,332,093 6/1963 France ..272/65 Primary Examiner--Peter M. Caun Attorney-Carlsen, Carlsen & Sturm s7 ABSTRACT A panel for use as the seat or back of a lawn chair or the like wherein strands of webbing extend diagonally between portions of a rectangular peripheral frame to provide a flexible surface, the webbing herein comprising closed loops of a uniform and predetermined size whichare interwoven with each other and secured to the frame without independent attachment means.
4 Claims, 9 Drlwlng Flgurel PATENTEUAPRB 1975 3,724,402
SHEET 1 OF 3 INVENTORS J P404 0. n/ra 5/26 PATENTEDAPRS 1975 3,724,402
' sum 2 OF 3 1 WEBBED PANEL FOR CHAIRS BACKGROUND OF THE INVENTION Patio or lawn furniture is frequently constructed of panels each having a generally rectangular metal frame with strips of plastic or fabric webbing interwoven or otherwise extending between portions of the frame.
In one type of construction a single length of flexible material is wound around spaced parallel portions of the frame to form a back or seat rest. In another construction one or more lengths of material are wound back and forth between frame portions and are interwoven with each other. Still another commonly used construction embodies many short straps of webbing material each of which extends only one span between two frame portions with the ends thereof suitably locked to the frame.
Each of these types of webbed furniture require a great deal of labor in the manufacturing process. Moreover, in each case, in the event that any single span of the webbing between frame portions should break from wear or damage, it is very difficult to replace and yet maintain the original appearance of the furniture piece involved. Where a single length of webbing is used for the whole panel, when one strand is broken the entire flexible surface collapses.
SUMMARY OF THE INVENTION I An object of the present invention is to provide a panel for a webbed type patio chair or the like which has the strength and durability of conventional panels and yet which may be assembled at a relatively low cost and repaired quickly and easily by the owner of the chair without special training.
Another object of the invention is to provide a panel for a webbed chair wherein the basic web structure comprises a plurality of webbing members all of which have an identical size and shape and which retain their original position on the framework by reason of their intertwining relation without the use of auxiliary locking means.
Still another object is to provide a chair panel with a webbed flexible surface and wherein it is unnecessary to weaken the panel frame by providing multiple webbing retention slots therein.
With the above mentioned and other objects in view the invention broadly comprises a square or rectangular frame member adapted to serve as the seat or back member of a lawn chair or chaise lounge or the like and a plurality of equal sized loops of flexible resilient material such as plastic stretched over opposing corners of the frame so that the loops form different rectangular shapes with the reaches thereof arranged in a diagonal interwoven manner.
BRIEF DESCRIPTION OF THE DRAWINGS In the drawings:
FIG. 1 is a perspective view of a closed loop of the webbing material used in the construction.
FIG. 2 is a section through the loop taken on line 2 2 of FIG. 1.
FIG. 3 is a plan view of a square frame with the first loop applied to its permanent position thereon.
FIG. 4 is similar to FIG. 3 with three additional loops applied thereto during assembly.
FIG. 5 is a section through a corner of the frame taken on line 55 of FIG. 4.
FIG. 6 is similar to FIGS. 3 and 4 with the panel in completely assembled condition.
FIG. 7 is similar to FIG. 6 but shows a modified form of the invention.
FIG. 8 is a section through the corner of the frame taken on line 8-8 of FIG. 7.
FIG. 9 is a plan view showing partial assembly of another modified form of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now more particularly to the drawing, reference numerals will be used to denote like parts or structural features in the different views. While a panel constructed in accordance with the invention may have various rectangular shapes die assembly may be more readily explained and understood where the panel is square. Accordingly, in FIGS. 3 through 6 the numeral 14 denotes a square frame of tubular metal such as might be used for the seat or back of a lawn or patio chair. Frame 14 has four equal side bars 15, 16, 17 and 18 connected by rounded corner portions 19, 20, 21 and 22. While the frame is generally square the opposing side bars such as 16 and 18 or 15 and 17 may be slightly curved out of the plane of the frame to give the panel a body conforming curvature as is generally desirable in a chair seat or back.
The webbing providing the flexible surface within the frame 14 is made up of a plurality of identical loops or belts 24 (FIGS. 1 and 2). These loops are formed of a slightly resilient flexible plastic material such as vinyl and may be injection molded or extruded and then cut in sections with the ends welded together to form the continuous loop. The material is flat in cross section, in the same manner as conventional webbing, as shown in FIG. 2.
In assembling a panel the first loop 24 is applied to frame 14 as shown in FIG. 3. This is done by spreading the loop between corners 20 and 22 and then stretching the loop ends downwardly around the corners and then sliding the loop outwardly along the bars 15 to 18 to the substantially square condition shown with the reach 24a thereof extending between bars 15 and 16 and parallel reach 24b thereof extending between bars ,17 and 18. On the underside of the frame reach 24c extends between bars 16 and 17 and reach 24d extends between bars 15 and 18.
The second loop is denoted at 25. The end portions of this loop are pulled diagonally of the frame 14 under the reaches 240 and 24d and are then stretched downwardly around comers 20 and 22 and the loop is moved outwardly along bars 15 to 18 to the position shown in FIG. 4 with its reaches 25a and 11 parallel to and spaced inwardly from reaches 24a and b and its reaches 25c and d parallel to and spaced outwardly from reaches 24c and d.
The third loop is denoted at 26. One end portion of this loop is placed over reach 24d, then threaded under reach 25d, then stretched downwardly around frame comer 22. The other end portion is placed over reach 24c, then threaded under reach 25c and stretched downwardly over frame corner 20 and the loopis moved outwardly along bars 15 to 18 to the position shown in FIG. 4.
The fourth loop is denoted at 27. One end portion of this loop is threaded under reach 24d, over reach 25d, under reach 26d and then stretched downwardly around corner 22 of the frame. The other end portion is threaded under reach 240, over reach 250, under reach 260 and stretched downwardly around comer 20, to the position shown in FIG. 4. The corner loop 27 is provided with small fasteners 28 in the end portions 27c and d which are inserted into apertures 29 (FIG. in the frame corner portions and 22 to hold loop 27 in position.
The completed panel shown in FIG. 6 provides an interwoven webbed section that may be used as a back or a seat in a chair construction. The panel is quickly assembled and can be readily repaired by the chair owner should any one of the loops become worn or damaged.
A significant fact is that each loop when applied to the frame as shown and described geometrically forms the hypotenuse of four right angle isosceles triangles, the other legs of which are formed by the frame bars. Thus while the loops take different rectangular shapes when applied to the frame, the sum of the reaches in each loop span an identical distance. Accordingly, all ofthe loops are of the same size and may be applied interchangeably.
An alternate form of the invention is shown in FIG. 7. This utilizes the same basic construction with the diagonally intercrossing loops such as 24. However, here only six loops are used rather than seven and single straps are used to connect the diagonally opposing corners. Strap 40 connects corners 20 and 22 while strap 41 connects corners 19 and 21. These straps are secured to the frame as shown in FIG. 8. Slots 42 are provided on the inside surfaces of the rounded frame corners. One end portion 44 of the strap 41 is inserted into slot 42 in corner 21. The strap is then interwoven through the various webbing loops and the opposite end of the strap is stretched around the opposite frame corner 19 and inserted into the slot 42 therein. End portions 44 are retained in the slots by friction. Strap 40 is applied in the same manner.
The advantage in utilizing single straps such as 40 and 41 to finish off the panel is that they achieve a complete interwoven effect throughout the panel which is not accomplished in the structure shown in FIG. 6 where the adjacent parallel reaches of the corner to corner loops must intercross perpendicular reaches on the same side.
The loop type webbing can also be used on panels that are not square as exemplified in FIG. 9. Elongated rectangular panels of this type are frequently used in chaise lounges or cot-type furniture. In this embodiment the rectangular frame is designated generally by the numeral 50 and has elongated side bars 51 and 52 connected by end bars 54 and 55 and corners denoted in a clockwise direction by numerals 56, 57, 58 and 59.
The next loop 61 is applied by one end thereof pulled downwardly around comer 57 leaving reach 61a extending between bars 52 and 54. Loop 61 is then pulled under reaches 60a and 60d and downwardly around bar 51 leaving reach 61b extending from bar 54 to bar 51 and reach 61c extending from bar 52 to bar 51. The loop is then pulled downwardly and to the right, as viewed in FIG. 9, from bar 51 and over reaches 600 and 60f and upwardly around bar 52 leaving reaches 61a and 6le extending between side bars 51 and 52. Then loop 61 is pulled from side bar 52 under reaches 60e and 60h and downwardly around comer 59 leaving reach 61f extending from bar 52 to bar 51, reach 61g extending from bar 52 to bar 55 and reach 61h extending from bar 51 to bar 55.
It will be understood that additional loops are then added in the manner described being interwoven with the loops previously installed until the panel is completely filled in. Here as in the previously described embodiments the corner loops may be fastened to the frame or the single straps similar to but longer than straps 40 and 41 may be used for strength and to complete the interwoven pattern.
It will be understood the closed loop webbing construction may be used with rectangular frames of various lengths. However, it is found to be most satisfactory where the length dimension of the frame is substantially even multiples of the frame width.
Having now therefore fully illustrated and described our invention, what we claim to be new and desire to protect by United States-Letters Patent is:
1. In a panel presenting a flexible surface for use as a chair seat or the like,
a. a substantially square rigid unitary frame formed of metal tubing,
a plurality of closed loops of the same size and of resilient flexible material each being secured around diagonally opposing corners of the frame and being spread at varying distances from the corners into a rectangular shape with the reaches thereof extending diagonally across the frame at a forty-five degree angle to the sides of the frame,
c. the reaches of the loops being interwoven with each other to form a flexible surface within the frame, and
. fastening means acting between each of the loops located most closely adjacent to a frame corner and said adjacent corner for securing said loop against removal from the frame and thereby securing all of the other loops upon the frame.
2. The subject matter of claim 1 wherein said fastening means comprises a snap fastener on the loop inserted into an aperture in the frame.
3. The subject matter of claim 1 wherein said fastening means comprises intercrossing single straps extending between the frame corners and being interwoven with each other and the loop reaches which each crosses, and the ends of said straps being connected to the frame corners.
4. The subject matter of claim 3 wherein the end portions of said straps are stretched around the frame cor- 5 ners and inserted into diagonally opposing slots in the frame to form said connection.
Claims (4)
1. In a panel presenting a flexible surface for use as a chair seat or the like, a. a substantially square rigid unitary frame formed of metal tubing, b. a plurality of closed loops of the same size and of resilient flexible material each being secured around diagonally opposing corners of the frame and being spread at varying distances from the corners into a rectangular shape with the reaches thereof extending diagonally across the frame at a forty-five degree angle to the sides of the frame, c. the reaches of the loops being interwoven with each other to form a flexible surface within the frame, and d. fastening means acting between each of the loops located most closely adjacent to a frame corner and said adjacent corner for securing said loop against removal from the frame and thereby securing all of the other loops upon the frame.
2. The subject matter of claim 1 wherein said fastening means comprises a snap fastener on the loop inserted into an aperture in the frame.
3. The subject matter of claim 1 wherein said fastening means comprises intercrossing single straps extending between the frame corners and being interwoven with each other and the loop reaches which each crosses, and the ends of said straps being connected to the frame corners.
4. The subject matter of claim 3 wherein the end portions of said straps are stretched around the frame corners and inserted into diagonally opposing slots in the frame to form said connection.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15207171A | 1971-06-11 | 1971-06-11 |
Publications (1)
Publication Number | Publication Date |
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US3724402A true US3724402A (en) | 1973-04-03 |
Family
ID=22541402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00152071A Expired - Lifetime US3724402A (en) | 1971-06-11 | 1971-06-11 | Webbed panel for chairs |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456301A (en) * | 1981-08-17 | 1984-06-26 | Homecrest Industries Incorporated | Furniture construction |
US5445436A (en) * | 1992-10-15 | 1995-08-29 | Sunbeam Corporation | Backing or seating for seating type furniture and means for securing backing or seating to a frame |
US5878451A (en) * | 1995-09-25 | 1999-03-09 | Lumine; Rafael Kerpache | Box spring with plastic band support for mattress |
US6194675B1 (en) | 1999-12-30 | 2001-02-27 | Square D Company | Boxer linkage for double throw safety switches |
US6523904B1 (en) * | 1999-11-17 | 2003-02-25 | Telescope Casual Furniture, Inc. | Outdoor furniture construction |
US20030111886A1 (en) * | 2000-09-28 | 2003-06-19 | Formway Furniture Limited | Lumbar support |
US20150226245A1 (en) * | 2014-02-08 | 2015-08-13 | Z Company | Elastic Band End Fastener Connecting Structure |
USD869890S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
USD869889S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
USD869872S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chair |
USD870479S1 (en) | 2017-12-05 | 2019-12-24 | Steelcase Inc. | Chair |
US10813463B2 (en) | 2017-12-05 | 2020-10-27 | Steelcase Inc. | Compliant backrest |
USD907383S1 (en) | 2019-05-31 | 2021-01-12 | Steelcase Inc. | Chair with upholstered back |
USD907935S1 (en) | 2019-05-31 | 2021-01-19 | Steelcase Inc. | Chair |
US11291305B2 (en) | 2017-12-05 | 2022-04-05 | Steelcase Inc. | Compliant backrest |
US12082708B2 (en) | 2021-12-17 | 2024-09-10 | Charleston Fab Lab, LLC | Flexible sling chair with living hinge |
-
1971
- 1971-06-11 US US00152071A patent/US3724402A/en not_active Expired - Lifetime
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4456301A (en) * | 1981-08-17 | 1984-06-26 | Homecrest Industries Incorporated | Furniture construction |
US5445436A (en) * | 1992-10-15 | 1995-08-29 | Sunbeam Corporation | Backing or seating for seating type furniture and means for securing backing or seating to a frame |
US5878451A (en) * | 1995-09-25 | 1999-03-09 | Lumine; Rafael Kerpache | Box spring with plastic band support for mattress |
US6523904B1 (en) * | 1999-11-17 | 2003-02-25 | Telescope Casual Furniture, Inc. | Outdoor furniture construction |
US6194675B1 (en) | 1999-12-30 | 2001-02-27 | Square D Company | Boxer linkage for double throw safety switches |
US20030111886A1 (en) * | 2000-09-28 | 2003-06-19 | Formway Furniture Limited | Lumbar support |
US6910741B2 (en) * | 2000-09-28 | 2005-06-28 | Formway Furniture Limited | Lumbar support |
US20150226245A1 (en) * | 2014-02-08 | 2015-08-13 | Z Company | Elastic Band End Fastener Connecting Structure |
US10813463B2 (en) | 2017-12-05 | 2020-10-27 | Steelcase Inc. | Compliant backrest |
USD921410S1 (en) | 2017-12-05 | 2021-06-08 | Steelcase Inc. | Chair |
USD869872S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chair |
USD870479S1 (en) | 2017-12-05 | 2019-12-24 | Steelcase Inc. | Chair |
USD869890S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
US12004660B2 (en) | 2017-12-05 | 2024-06-11 | Steelcase Inc. | Compliant backrest |
US11819139B2 (en) | 2017-12-05 | 2023-11-21 | Steelcase Inc. | Compliant backrest |
USD869889S1 (en) | 2017-12-05 | 2019-12-17 | Steelcase Inc. | Chairback |
USD921409S1 (en) | 2017-12-05 | 2021-06-08 | Steelcase Inc. | Chair |
US11583092B2 (en) | 2017-12-05 | 2023-02-21 | Steelcase Inc. | Compliant backrest |
US11291305B2 (en) | 2017-12-05 | 2022-04-05 | Steelcase Inc. | Compliant backrest |
USD947560S1 (en) | 2019-05-31 | 2022-04-05 | Steelcase Inc. | Chair |
USD947559S1 (en) | 2019-05-31 | 2022-04-05 | Steelcase Inc. | Chair with upholstered back |
USD907935S1 (en) | 2019-05-31 | 2021-01-19 | Steelcase Inc. | Chair |
USD907383S1 (en) | 2019-05-31 | 2021-01-12 | Steelcase Inc. | Chair with upholstered back |
US12082708B2 (en) | 2021-12-17 | 2024-09-10 | Charleston Fab Lab, LLC | Flexible sling chair with living hinge |
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