EP0087594B1 - Chaise - Google Patents

Chaise Download PDF

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Publication number
EP0087594B1
EP0087594B1 EP83100849A EP83100849A EP0087594B1 EP 0087594 B1 EP0087594 B1 EP 0087594B1 EP 83100849 A EP83100849 A EP 83100849A EP 83100849 A EP83100849 A EP 83100849A EP 0087594 B1 EP0087594 B1 EP 0087594B1
Authority
EP
European Patent Office
Prior art keywords
chair
easy
seat
metal
attached
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
Application number
EP83100849A
Other languages
German (de)
English (en)
Other versions
EP0087594A2 (fr
EP0087594A3 (en
Inventor
Herbert Ohl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilkhahn Wilkening and Hahne GmbH and Co KG
Original Assignee
Wilkhahn Wilkening and Hahne GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wilkhahn Wilkening and Hahne GmbH and Co KG filed Critical Wilkhahn Wilkening and Hahne GmbH and Co KG
Publication of EP0087594A2 publication Critical patent/EP0087594A2/fr
Publication of EP0087594A3 publication Critical patent/EP0087594A3/de
Application granted granted Critical
Publication of EP0087594B1 publication Critical patent/EP0087594B1/fr
Expired legal-status Critical Current

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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
    • A47C21/00—Attachments for beds, e.g. sheet holders or bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
    • A47C21/02—Holders for loose bed elements, e.g. sheet holders; bed cover holders
    • A47C21/022—Sheet holders; Bed cover holders
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A47C5/06—Special adaptation of seat upholstery or fabric for attachment to tubular chairs
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/71—Rod side to plate or side
    • Y10T403/7129—Laterally spaced rods
    • Y10T403/7141—Plural channels in connector
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/71—Rod side to plate or side
    • Y10T403/7171—Two rods encompassed by single connector

Definitions

  • the invention relates to an armchair with a seat and backrest, at least a part of which consists of a flexible flat structure which is clamped to a metal frame which is provided with a longitudinal groove into which an elongated metal part is pressed while enclosing the edge of the flat structure (US -A-30411-09).
  • textile-covered seating furniture without upholstery is known (for example through FR-PS-1 027 585, US-PS-3512834 and GB-PS-2 020 1-75), in which the textile material is only just stretched.
  • the attachment of such flexible fabrics already presents difficulties if the metal frames are essentially only within one plane.
  • the resulting armchair shapes have only a very simple appearance and do not adapt to the body support and contact surfaces.
  • the anchoring of the textile material on the frame is usually visible, which is why such seating furniture does not meet the aesthetic requirements.
  • the horizontally prestressed textile material is often overstressed.
  • More complex and body-fitting armchair shapes can be achieved with metal frames that are curved as three-dimensional spatial curves, but with which it is difficult to anchor the flexible flat structure in a stable manner and at the same time to brace it and to connect the armchairs or frame parts to one another.
  • the invention has for its object to provide a generic armchair with the highest adaptation and lightness radiating appearance, the armchair should have a stability comparable to a solid armchair.
  • the body contact surfaces of the armchair should be permeable to heat and perspiration, have an optimal static and dynamically adapted support form and should only require a few, small-sized construction elements for connecting the textile fabric to the metal frame.
  • the walls of the longitudinal groove on the metal frame are provided with barbs forming undercuts and that the metal part consists of crushed metal, which is pressed together with the bordered edge of the fabric up to the undercuts.
  • the metal frame is preferably made of extruded rod material, or extruded profiles, for. B. made of hard aluminum.
  • a soft metallic wire e.g. B. uses a soft aluminum wire.
  • the fabric can be fabric-like or mesh-like, wherein a mesh-like fabric made of braided, knitted or woven, mono- or multifilament plastic threads is preferably used.
  • the groove walls run at an angle to the adjacent area of the fabric.
  • the groove preferably lies on the upper side of the metal frame facing the user and a further groove is provided on the metal frame at an angular distance of more than 90 ° below the fabric.
  • a C-shaped cushion strip is fastened, which spans the outside of the frame.
  • the attachment point of the flexible fabric is optically covered by such a cushion strip.
  • the metal frame of the seat and backrest - with respect to the user - are convexly curved on both sides of the armchair and concave in the front and rear area. Due to the firm tension of the textile fabric by means of a crimped metal within a groove of the metal frame consisting of bar material or extruded profiles, the bars or extruded profiles can be kept free of the fastening means and the sheet material on the largest part of their peripheral surface.
  • the metal frame of the seat and backrest to be connected to one another by means of small-sized construction elements, for which purpose it is provided in a further embodiment of the invention that the metal frame of the seat and backrest with sections running parallel to one another in an arcuate, cross-sectionally approximately C-shaped clamp piece lie in which they are clamped into the semicirculars of the C-profile by an arcuate locking strip which is pressed between the sections, and that a supporting tube directed under the seat and bent downward is fastened to the clamp piece, which has a conical lower end sits on a tapered upper end of a pin that is attached to a chair foot.
  • the seat height can be conveniently determined by choosing plug pins of different lengths.
  • An axial thrust ball bearing is expediently arranged in the base-side pipe socket, on which the plug pin rests, so that the armchair can be rotated about a vertical axis.
  • two armrests can also be assigned to the armchair, which consist of an arch piece which runs with its central section approximately parallel to the parallel metal frame sections and has a groove on the back with which the arch piece is pressed tightly onto the locking bar.
  • the armrests are securely attached to the armchair by means of a screwless connection.
  • the invention achieves an armchair with a high utility value, which is characterized by a large number of advantages. On the one hand, it is largely transparent optically, so that it enables good integration into interior designs.
  • the cushioning effect is achieved with a very small volume, e.g. B. with a network just one millimeter thick.
  • the body contact surfaces of the armchair are permeable to a heat flow and heat exchange between the body and the environment and for a vapor diffusion (perspiration) to the atmosphere, which is especially for a long sitting while working and. s. w. is of great importance.
  • the armchair offers a very high adaptation of the contact areas to the body with primary sitting posture and a largely automatic adjustment of the contact areas for secondary, changing sitting postures, such as those that change during work.
  • the adaptation to the body is not brought about by material elasticity or material compression, but by a mesh material deformation without lengthwise expansion, so that a flexible. changing adaptation with consistently high support of the body contact surfaces is achieved.
  • connection areas of the main armchair parts are invisible, but with a homogeneous load distribution. Due to the curved foot connection, only a minimal number of construction elements are required.
  • the curved leg in conjunction with a flat plate foot plate provides a large free foot space.
  • the overall structure of the armchair is characterized by good elasticity, which is achieved by an annular undulating of the footplate, by the curved foot design, by the cantilever of the seat frame surface, by the connection of the frame parts by means of an elastic closing strip and by a shape-adaptable mesh covering without elongation.
  • the seat 1 and the backrest 2 each consist of a metal frame 3, 4, which are covered with a textile fabric 5, 6, and an arcuate clamp piece 7 that holds the two metal frames 3 and 4 together.
  • a support tube 8 directed under the seat 3 and bent downward is fastened in the center, for. B. welded, which is supported via a connector on a provided on a base plate 9 pipe socket 10.
  • the armchair according to FIG. 2 also has armrests 11, which consist of a single, curved piece which is fastened to the armchair with its central section in the region of the clamp piece 7.
  • Figure 3 shows a section through the metal frame 3 of the seat.
  • the metal frame 3 is made made of extruded, hard aluminum rod material, which is bent into a closed ring.
  • the frame is bent convex upwards on the sides of the armchair and concave downwards in the longitudinal center of the chair front and rear, so that the clamped flat structure forms a vaulted surface with two opposite curvatures.
  • the aluminum frame 3 is provided with a longitudinal groove 12, the side walls of which are provided with undercuts 13 forming barbs.
  • a soft aluminum wire 14 is tightly pressed into this groove 12, enclosing the edge region of the textile fabric 5.
  • FIG. 3 roughly illustrates the relationships that result when using a dense, woven cloth as a flexible sheet 5, which is pressed into the undercuts 13.
  • Figure 5 shows an enlarged view of the rear node area of the chair, on the soft backrest 2, armrest 11, seat 1 and support tube 8 are connected to each other.
  • the metal frames 3, 4 have in their rear or lower region parallel longitudinal sections 16, 17 which run through the arcuate clamp piece 7, which has a cross section of approximately the shape "3 or" C.
  • the sections 16, 17 each lie closely and appropriately in the upper or lower semicircular receptacle 18, 19 of the “3” profile or “C” profile and are tightly clamped in the clamp piece 7 by an elastic closing strip 20 driven in between, whereby between the closing strip 20 and the pipe sections 16, 17 interposed strips 21, 22 offer protection against shearing or other damage to the textile fabrics 5, 6.
  • the armrest 11 has at its central area 23, which also runs parallel to the sections 16, 17, a groove 24 at the rear, with which the armrest 11 is pressed onto the edge of the wedge strip 20 protruding from the profile of the clamp 7.
  • FIG. 6 shows an enlarged view of the base plate 9 with a pipe socket 10 attached to it.
  • the pipe socket there is an axial thrust ball bearing 25 at the bottom, on which sits a bolt 26 which is inserted into the pipe socket 10 and which has an upper, conical end 27 in the support tube 8 engages, which has a conical receptacle 28 for the plug pin at its lower end.
  • the metal frame 3 - and the metal frame 4 - are also provided with a further groove 29, which is at an angular distance of slightly more than 90 ° from the groove 12 below the seat.
  • this groove 29 and in the groove 12 the ends of an overall approximately C-shaped cushion strip 30 are clamped, which optically covers the fastening point of the fabric 5 on the metal frame and the metal frame itself.
  • the bolt 26 with the upper conical end 27 according to FIGS. 6 and 7 is the housing of a so-called gas spring 31 with a valve tappet 31a projecting from above, which is actuated by means of an actuating double lever 32 articulated on the support tube 8 and one which is displaceably mounted in the support tube 8 Pressure transmission member 33 can be depressed for seat height adjustment.
  • the piston rod 31 b of the gas spring 31 is supported on the rotary bearing 25.
  • the thrust ball bearing 25 supporting the gas spring 31 is expediently seated on a screw 34 which is screwed into a threaded hole 35 in the bottom of the foot plate 36.
  • This screw 34 thus allows a height adjustment of the gas spring 31 within the pipe socket 10 and thus the consideration of manufacturing tolerances in the area of the gap between the pipe socket 10 and the support tube 8.
  • FIG. 9 shows an embodiment in which the plate 37 is cast with a conical receptacle 38, into which one is fitted with a corresponding conical one Bottom end 39 provided pipe socket 40 is pressed.
  • FIG. 10 shows a plan view of the arcuate closing strip 20 used at the node point according to FIG. 5, which is provided with cutouts 41 on its ends on the convex side.
  • the front edge 20 of the locking bar is covered by an arcuate strip 42 which is snapped onto the locking bar 20, its hooked ends 43 engaging in the recesses 41.
  • FIGS. 11a and b illustrate a modified embodiment of the armrests 44, 45.
  • the two armrests which each consist of a wire bracket 46 to be foamed with plastic, are connected to one another via a pipe section 47, to which a closing strip 48 is directly welded.
  • the armrest according to FIGS. 11 and 11b is used instead of the armrest 11 shown in FIG. 5 and the closing bar 20 shown there.
  • FIG 12 shows a further embodiment for the base of the armchair.
  • the foot plate 49 is provided along its edge with a plurality of plastic sliding feet 50, which with a plug 59 are inserted into corresponding receiving holes in the foot plate 49.
  • the base plate is again provided in its center with a conical opening 52 into which the lower, conically tapering end of a pipe socket 53 is inserted.
  • An axial ball bearing 54 is in turn arranged in the pipe socket, on which a plug pin 55 is seated, which is rotatably mounted in the pipe socket 53.
  • the pipe socket 53 is lined with a sliding sleeve 56 surrounding the central, cylindrical section of the plug pin 55.
  • the bent support tube 57 is attached, which is welded to the bracket piece 7, with a reinforcement plate 58 is provided between the bracket piece 7 and the underside of the support tube.
  • a reinforcement plate 58 is provided between the bracket piece 7 and the underside of the support tube.
  • FIG. 13 shows a plug pin 59 which can be used instead of the plug pin 55 according to FIG. 12 and instead of the pipe socket 53 there and represents the only connecting piece between the base plate 49 and the support tube 57.
  • the plug pin 59 is fixed against rotation in the footplate and in the support tube, so that in such a case there is a rigid, non-rotating armchair.
  • FIGS. 14 and 15 illustrate an embodiment of the connection point between support tube 60 and seat frame 61 and backrest frame 62, in which a solid node piece 63 is provided which has a conical receiving opening for the upper, somewhat tapered end 64 of the support tube 60.
  • the knot piece 63 engages under the clamp piece 66 with a bow 65.
  • the knot piece is first screwed to the lower bow 68 of the clamp piece by means of two screws 67, the screws increasing the strength of the metal frame 61 of the seat.
  • a solid knot piece 72 is again provided, which encloses the lower half of the clamp piece 74 with an arc 73.
  • the knot piece 72, the clamp piece 74 and the metal frame 70 of the seat are provided with successive through holes into which a stable pin 75 is pressed, which holds the knot piece on the clamp piece.
  • the support tube 69 is in turn pressed with a conical end 76 into a conical opening of the node piece 72.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)

Claims (16)

1. Siège à assise (1) et dossier (2), dont au moins une partie est constituée par un élément en nappe, flexible, qui est tendu sur un bâti métallique (3, 4) muni d'une rainure longitudinale (12) dans laquelle une partie métallique (15) est enfoncée en sertissant le bord de l'élément en nappe, caractérisé par le fait que les parois de la rainure longitudinale (12) présentent, sur le bâti métallique (3, 4), des contre-dépouilles (13) formant des crochets et la partie métallique est constituée par un métal écrasable (15) qui est refoulé, avec le bord serti de l'élément en nappe (5), jusque dans les contre-dépouilles (13).
2. Siège selon la revendication 1, caractérisé par le fait que les bâtis métalliques (3, 4) sont massifs et constitués par de la matière en barre ou des profilés extrudés, par exemple en aluminium dur, et le métal écrasable (15) est constitué par du fil métallique mou, par exemple du fil d'aluminium mou.
3. Siège selon les revendications 1 ou 2, caractérisé par le fait que l'élément en nappe (5) est du type tissé ou réticulé et fabriqué, à partir de monofilaments ou polyfilaments plastiques, par tissage, tricotage ou tressage.
4. Siège selon les revendications 1, 2 ou 3, caractérisé par le fait que les parois de la rainure longitudinale (12) font un certain angle par rapport à la zone contiguë de l'élément en nappe (5), que la rainure longitudinale (12) est située sur le côté du bâti métallique (3, 4) tourné vers l'utilisateur, qu'il est prévu sur le bâti métallique une deuxième rainure (29) qui est située au-dessous de l'élément en nappe, et que, dans les deux rainures (12, 29), est fixée une bande de rembourrage (30) entourant extérieurement le bâti métallique.
5. Siège selon la revendication 1, caractérisé par le fait que les bâtis métalliques (3, 4) de l'assise (1) et du dossier (2) présentent, par rapport à un utilisateur, une courbure convexe des deux côtés du siège, et une courbure concave aux zones avant et arrière.
6. Siège selon la revendication 1, caractérisé par le fait que les bâtis métalliques (3, 4) de l'assise (1) et du dossier (2) sont situés, par des sections (16, 17) parallèles l'une à l'autre, dans une pièce d'agrafage (7) de section sensiblement en forme de C, dans les parties semi-circulaires de laquelle ils sont coincés par une languette de serrage (20, 48) en arc, enfoncée entre les sections (16, 17), et que, sur la pièce d'agrafage (7), est fixé, centré longitudinalement, un tube porteur (8) pointé sous l'assise et courbé vers le bas, qui repose, par une extrémité conique, sur une extrémité supérieure conique d'un boulon-fiche (26), fixé à un pied de siège (9).
7. Siège selon la revendication 6, caractérisé par le fait qu'au pied de siège (9) est fixé un raccord tubulaire (10) dans lequel est inséré le boulon-fiche (26) et, en bas, dans le raccord tubulaire (10), est disposé un coussinet de pivotement (25) sur lequel repose, tournant, le boulon-fiche (26).
8. Siège selon la revendication 7, caractérisé par le fait que le raccord tubulaire (10) se rétrécit coniquement à son extrémité inférieure et est enfoncé dans un trou de logement conique du pied de siège (9).
9. Siège selon la revendication 8, caractérisé par le fait que le boulon-fiche (55) est entouré, dans sa zone médiane, par un fourreau (56) qui revêt la partie cylindrique centrale du raccord tubulaire (53).
10. Siège selon la revendication 6, caractérisé par le fait que le pied de siège (9) est sous forme de pied-assiette (49) muni sur son bord d'une pluralité de pieds de glissement (50).
11. Siège selon la revendication 7, caractérisé par le fait que, comme boulon-fiche (26), est prévu un ressort pneumatique (31) dont le cylindre est monté tournant dans le raccord tubulaire (10) et est enfoncé, par une extrémité supérieure conique (27), dans le cône (28) du tube support (8) et dont la tige de piston (31 b) repose sur le coussinet (25).
12. Siège selon la revendication 6, caractérisé par le fait qu'au siège sont associés deux appuis-bras (11) qui sont reliés entre eux par une section centrale (23) qui s'étend à peu près parallèlement aux sections de bâti métallique (16, 17) parallèles de l'assise et du dossier et qui est fixée à la languette de serrage (20).
13. Siège selon la revendication 6, caractérisé par le fait que la languette de serrage (48) est soudée sur la section centrale (pièce tubulaire 47) des appuis-bras (44, 45) ou est insérée dans une rainure (24) de la section centrale (23).
14. Siège selon la revendication 6, caractérisé par le fait qu'à la languette de serrage (20) est associée une baguette de recouvrement (42) qui, à la place des appuis-bras (11 ), peut être fixée à la languette de serrage (20).
15. Siège selon la revendication 6, caractérisé par le fait que le tube porteur (60, 69) est fixé, par son extrémité supérieure, à une pièce nodale (63, 72) massive, qui est fixée à la pièce d'agrafage (66, 74) et au bâti (61, 70) de l'assise par des boulons (67) ou au moins une cheville (75), les boulons (67) ou la (ou les) cheville(s) (75) traversant le bâti d'assise (61, 70) et deux fois la pièce d'agrafage en C (66, 74).
16. Siège selon la revendication 15, caractérisé par le fait que le tube support (60, 69) est enfiché par une extrémité conique supérieure dans un trou conique de la pièce nodale (63, 72).
EP83100849A 1982-03-02 1983-01-29 Chaise Expired EP0087594B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3207352 1982-03-02
DE19823207352 DE3207352A1 (de) 1982-03-02 1982-03-02 Sessel

Publications (3)

Publication Number Publication Date
EP0087594A2 EP0087594A2 (fr) 1983-09-07
EP0087594A3 EP0087594A3 (en) 1984-11-28
EP0087594B1 true EP0087594B1 (fr) 1986-12-30

Family

ID=6157038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100849A Expired EP0087594B1 (fr) 1982-03-02 1983-01-29 Chaise

Country Status (4)

Country Link
US (1) US4552406A (fr)
EP (1) EP0087594B1 (fr)
CA (1) CA1212305A (fr)
DE (2) DE3207352A1 (fr)

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DE19544210A1 (de) * 1995-11-28 1997-06-05 Stoll Sedus Ag Sitzmöbel mit zwei seitlichen Profilschienen
US6053558A (en) * 1997-10-01 2000-04-25 Penda Corporation Cover assembly for the cargo area of a vehicle
USD448219S1 (en) 2000-09-28 2001-09-25 Formway Furniture Limited Castored base for a chair
USD463144S1 (en) 2000-09-28 2002-09-24 Formway Furniture Limited Chair
USD445580S1 (en) 2000-09-28 2001-07-31 Formway Furniture Limited Chair
AU783829B2 (en) 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
USD460300S1 (en) 2000-09-28 2002-07-16 Formway Furniture Limited Slotted seat panel for a chair
USD448277S1 (en) 2000-09-28 2001-09-25 Formway Furniture Limited Castor
USD446397S1 (en) 2000-09-28 2001-08-14 Formway Furniture Limited Chair
DE10048779A1 (de) * 2000-09-29 2002-04-18 Stoll Sedus Ag Rückenlehne
AUPR054400A0 (en) 2000-09-29 2000-10-26 Formway Furniture Limited A castor
NZ518944A (en) 2002-05-14 2004-09-24 Formway Furniture Ltd Height adjustable arm for chair with outer stem releasably lockable to inner stem by engagement of recesses
ITVI20020148A1 (it) * 2002-07-05 2004-01-05 Nardi Spa Dispositivo di bloccaggio di un elemento laminare flassibile ad un telaio
US20050194829A1 (en) * 2004-03-08 2005-09-08 Chad Aerts Fabric attachment device
US20100007190A1 (en) * 2005-03-01 2010-01-14 Eric Johnson Chair back
GB0511393D0 (en) * 2005-06-04 2005-07-13 Space Net Technology Ltd A seating system
GB2426698A (en) * 2005-06-04 2006-12-06 Space Net Technology Ltd Push-chair with two closed support frames over which a flexible membrane is stretched
US7395590B2 (en) * 2005-06-10 2008-07-08 Haworth, Inc. Method for assembling a frame assembly for a chair
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GB0810985D0 (en) 2008-06-17 2008-07-23 Higgs Tom Dynamic flex chair support
TWI360400B (en) * 2008-06-24 2012-03-21 Teng Hsu Yang Chair and chair covering
US8662560B2 (en) 2009-07-27 2014-03-04 Lear Corporation Vehicle seating attachment assembly
USD705561S1 (en) 2013-05-16 2014-05-27 Steelcase Inc. Chair
USD704945S1 (en) 2013-05-16 2014-05-20 Steelcase Inc. Chair
USD708466S1 (en) 2013-05-16 2014-07-08 Steelcase Inc. Chair
US10118704B2 (en) 2015-04-10 2018-11-06 Franklin Products, Inc. Hybrid seat pan and diaphragm
JP5967740B1 (ja) * 2015-07-30 2016-08-10 株式会社リディアワークス シートの展張装置

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Also Published As

Publication number Publication date
EP0087594A2 (fr) 1983-09-07
DE3368502D1 (en) 1987-02-05
DE3207352A1 (de) 1983-09-08
CA1212305A (fr) 1986-10-07
US4552406A (en) 1985-11-12
EP0087594A3 (en) 1984-11-28

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