EP0256064B1 - Chaise munie d'un siege et d'un dossier elastique en soi - Google Patents

Chaise munie d'un siege et d'un dossier elastique en soi Download PDF

Info

Publication number
EP0256064B1
EP0256064B1 EP87901025A EP87901025A EP0256064B1 EP 0256064 B1 EP0256064 B1 EP 0256064B1 EP 87901025 A EP87901025 A EP 87901025A EP 87901025 A EP87901025 A EP 87901025A EP 0256064 B1 EP0256064 B1 EP 0256064B1
Authority
EP
European Patent Office
Prior art keywords
backrest
elements
chair according
seat
transverse ribs
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
Application number
EP87901025A
Other languages
German (de)
English (en)
Other versions
EP0256064A1 (fr
Inventor
Hartmut Lohmeyer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0256064A1 publication Critical patent/EP0256064A1/fr
Application granted granted Critical
Publication of EP0256064B1 publication Critical patent/EP0256064B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/405—Support for the head or the back for the back with double backrests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/12—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats with shell-shape seat and back-rest unit, e.g. having arm rests
    • 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
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • 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
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • 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
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded

Definitions

  • the invention relates to a piece of seating with a seat and an elastically yielding backrest which, for example in the hip area, consists of a plurality of transverse ribs which are separated from one another by gaps and are held together via connecting links in such a way that the transverse ribs can be rotated relative to one another about horizontal axes.
  • the invention is based on the object of designing seating in the manner of the design described at the outset in such a way that it can be produced with less construction effort and thus more simply and cost-effectively.
  • the connecting links consist of film hinges with rotation-limiting elements that bridge the spaces in one piece, the seat being integrally formed together with the transverse ribs made of plastic via flow cross sections, which are formed by the film hinges and associated spring elements attached to the arms of the film hinges are.
  • the arms of the film hinges are passed into the seat, the backrest and the transverse ribs.
  • the spring elements are directly actuated when the film hinges are moved.
  • Another possibility for the formation of the film hinges is. to form the spaces in the area of the connecting links as grooves, each of which has the film hinge in its base.
  • the spring elements are designed them as bridges between the transverse ribs lying laterally next to the connecting links.
  • flow cross sections result which are distributed over the length of the transverse ribs, which is conducive to the flow of the plastic during injection molding.
  • the bridges give the transverse ribs an additional stability to one another, so that the bridges can also be used if the spring elements are, for example, components of the aforementioned pipes.
  • the rotation limiting elements can advantageously be designed as projections in the tubes directed towards one another. In the event of the backrest being bent back, the projections then collide and thus limit the movement of the transverse ribs to one another.
  • these can expediently be designed such that the grooves are on the rear side of the back backrest are open and the groove walls form the rotation limiting elements on the side facing away from the base of the grooves. When the backrest is bent, the grooves close on their side facing away from their base until the groove walls meet.
  • the connecting links can run in the middle of the backrest, so that there is a kind of spine in the backrest, but it is also possible to arrange the connecting links as a symmetrical pair in the lateral area of the backrest.
  • the spring tension of the spring elements can be designed differently from one space to another. For example, it is advantageous to make the spring elements along the backrest increasingly harder from top to bottom, so that when leaning back, first the upper part of the backrest bends back and then increasingly also the lower parts.
  • Fig. 1 shows the seating in a perspective view, the representation of the base frame has been largely dispensed with.
  • the upper part of a bogie 1 and a tubular steel frame 2a are shown.
  • the seat 3 is attached to the frame 2a. This results in the construction shown in a known manner for the seat 3 approximately in the region of the cross strut 2b of the frame 2a, an axis of rotation such that the seat 3 can spring about the cross strut 2b under load.
  • the seat 3 passes over the fillet 4 in the backrest 5, which is curved in a known manner so that its edges 6 and 7 are slightly advanced laterally.
  • the backrest 5 also has a curvature 8 in longitudinal section adapted to the anatomy of the spine. In the area of this curvature 8, the two transverse ribs 9 and 10 are arranged, which are separated from one another by the intermediate spaces 11, 12 and 13 and from the adjacent parts of the backrest 5 and the fillet 4.
  • this contains a trough-like recess 14/15, in the middle of which, in the longitudinal direction of the backrest 5, the web 16 runs, which ensures the required rigidity of the backrest 5 in this area. If necessary, several such webs can be arranged side by side.
  • a connecting member 17, 18 and 19 is arranged in the extension of the intermediate spaces 11, 12 and 13, which extends over the entire width of the depression 14/15 and also passes through the web 16. With the help of the connecting links 17, 18 and 19, the transverse ribs 9 and 10 and these are held together with the adjacent parts of the backrest 5 or the fillet 4.
  • the connecting links 17, 18 and 19 are designed in such a way that, in the area of the spaces 11, 12 and 13, they can be rotated about horizontal axes, as a result of which the backrest is given an elastic resilience with which the backrest adjusts to the anatomical conditions of a seated person when leaning back Person can customize.
  • the backrest 5 with its fillet 4 the transverse ribs 9 and 10 and the seat 3 in principle form rigid structural elements, which can be done by choosing a suitable plastic, for example Polypro pylen, as well as corresponding known stiffeners on the underside of the seat and the back of the backrest 5 is easily possible. Such stiffeners are shown in Fig.
  • stiffeners 20, 21 and 22 which extend in the longitudinal direction in the extension of the edges of the recess 14/15. If necessary, additional stiffeners can be provided, in particular at the edges 6 and 7 of the backrest 5 and under the seat 3.
  • FIGS. 2 and 3 show a section along the line I-I from FIG. 1, that is to say a longitudinal section running longitudinally through the backrest 5, the fillet 4 and the seat 3, which runs in the middle of the web 16.
  • 2 shows seat 3 and backrest 5 in an unloaded position, whereas FIG. 3 shows seat and backrest 5 under load.
  • FIG. 2 Due to the curvature of the backrest 5, the front surface of the backrest 5 is drawn in FIG. 2 to the left of the cut stiffener 21, namely up to the edge 7 (see FIG. 1). A corresponding representation also results in the area of the seat 3, which likewise has a curvature in accordance with the anatomy of a seated person in a known manner.
  • the connecting members 17, 18 and 19 shown in FIG. 2 here consist of tubes 23, each of which forms the film hinge 24 on its side facing the front of the backrest 5, while the opposite side of the tubes 23 form the respective spring element 25.
  • the areas in between, which adjoin the web 16, are stiff because of this connection with the web 16.
  • the total deflection of the backrest 5 is relatively small if one takes into account the deformation of the spine when a person sitting on the seating furniture leans back. So that there is no overloading of the film hinges 24 and the spring elements 25, rotation limiting elements are provided, which, however, are not shown in FIGS. 1 to 3 for reasons of simplification of the illustration. An embodiment of a rotation limiting element will now be discussed with reference to FIGS. 4 and 5.
  • FIGS. 4 and 5 each show a tube 23 according to FIGS. 2 and 3, into which protrusions 26 and 27 protrude, which act as a rotation limiting element.
  • the sections from FIGS. 4 and 5 are laid along lines 11-11 from FIG. 1, so that the web 16 is drawn as a part which is visible from the side. 4, there is a distance between the projections 26 and 27, which disappears when the tube 23 is loaded due to the complete approach of the projections 26 and 27, the projections 26 and 27 abutting one another and thus causing the rotation limitation in the region of the tube 23 5, the angle a is also shown, by which the degree of bending in the region of the tube 23 is shown. This is a somewhat exaggerated representation to make the angle a clear. As already mentioned at the beginning, these are angles of at most about 3 °. 5 that the spring element 25 has bulged slightly compared to the illustration in FIG. 4, as a result of which the spring element 25 is given the required restoring force.
  • the film hinges 24 and the spring elements 25 form flow cross sections for the flow of plastic, in particular during injection molding.
  • the seat 3 and backrest 5 with the associated elements in one piece, with the material from the sprue, which may be under the seat 3, for example, over all parts of the seat 3 and backrest via the flow cross-sections mentioned 5 can spread.
  • FIGS. 6 and 7 sections are shown similar to those of FIGS. 2 and 3, but in particular the connecting links are designed differently. 6 and 7, the design and the reference numerals from FIGS. 1 to 3 were used as far as possible. However, it should be emphasized that the embodiment according to FIGS. 6 and 7 has three transverse ribs 28, 29, 30 (in contrast to two transverse ribs according to FIG. 1). The number of transverse ribs depends on the desired anatomical adaptation and, if necessary, the technical shaping options. In the embodiment according to FIGS. 6 and 7, the spaces 34, 35, 36 and 37 are located next to the grooves 31 (one space more than in the embodiment according to FIG. 1 because of the two transverse ribs 9 and 10 only provided there).
  • FIG. 8 shows a plan view of a section of the backrest 5, specifically the central region with the grooves 31 and adjoining the region of the backrest with the spaces 34, 35 and 36 (space 37 according to FIG. 6 is no longer in FIG. 8 8), the hatching shown in FIG. 8 was used to represent visible material of the backrest.
  • Fig. 8 contains an upper and a lower part, separated by the space X. The lower part shows the backrest in the unloaded state, while the upper part shows the backrest in the loaded state. Accordingly, the bridges 33 shown in the intermediate space 36 are drawn curved, since they bridge the intermediate space 36 in a relaxed manner. In the upper part, however, it is a loaded backrest, so that the bridges 33 shown in the spaces 34 and 35 are drawn more stretched.
  • the bridges 33 are tensioned and in this way exert their desired restoring force.
  • the bridges 33 can also take over the function of the rotation limiting elements, since the bridges 33 practically do not allow any further extension in the fully extended position, whereby the rotation limitation is achieved. It is therefore also possible, if the grooves 31 are used, to dispense with using their wall ends as rotation limiting elements (see FIG. 7).
  • the film hinges 32 and the bridges 33 form flow cross sections for the plastic, so that in the embodiment according to FIGS. 6, 7 and 8 seat 3 and backrest 5 are formed in one piece with the associated elements over the flow cross sections mentioned can.
  • the box-shaped structures 40 shown in FIG. 8 are ribs formed on the back of the backrest 5, which serve to stiffen the transverse ribs 28, 29 and 30.
  • FIG. 9 shows a further exemplary embodiment, in which the tubular frame 41 serves as the supporting frame and, with its upper spars 42, allows a certain amount of suspension for the seat 3 in a known manner.
  • the seat 3 is attached to the spars 42, here the connecting links are arranged in the region of the backrest 5 on the side edges thereof.
  • the connecting links here essentially consist of the film hinges 32, which are formed at the bottom of grooves 31, which in this respect in principle results in a construction according to that from FIG. 6.
  • the grooves 31 are provided in edge reinforcements 44, 45, which appear in cross section as a box open to the rear, the grooves 31 being provided in a wall 43 of the relevant edge reinforcement 44 and 45, respectively.
  • the grooves 31 and the film hinges 32 act like the components with the same designation according to FIGS. 6 to 8.
  • the two transverse ribs 46 and 47 are arranged, which are separated from one another by the spaces 48, 49 and 50.
  • the spring element is arranged in the center, specifically as bridges 51, which bulge out on the rear side of the backrest. This will be discussed in detail in connection with FIG. 10.
  • FIG. 10 shows a rear view of the backrest 5 with seat 3, specifically cut along the line 111-111 from FIG. 9.
  • the backrest 5 is shown in an unloaded position.
  • 10 shows a stabilization of the backrest 5, namely by the transverse reinforcements 52, 53, 54 and 55 and the longitudinal reinforcements 56 which run in the edge reinforcement 44. Corresponding stiffeners naturally run in the edge reinforcement 45 (not shown in FIG. 10).
  • Figure 11 shows a modification to the embodiment of Figure 10, wherein according to Figure 11, the spring elements and the rotation limiting elements are placed in the laterally arranged connecting members.
  • the seat 3 and the backrest 5 are shown in FIG. 11, and only in part, the edge reinforcement 45 running along one edge of the seat 3 and backrest 5 (a corresponding edge reinforcement then lies on the opposite side).
  • the film hinges 32 in the embodiment according to FIG. 11 lie on the back of the backrest 5.
  • the film hinges 32 form the vertex of art of a triangle mutually arranged surfaces 57 and 58 which open towards the front like a groove.
  • the surfaces 57 and 58 are stiffened relative to one another, specifically by the stiffeners 59, which extend in the edge reinforcement 45 in the extension of the walls and the stiffener 60.
  • the walls 57 and 58 are connected via the belts 61, which are bent slightly inwards in the rest position shown in FIG.
  • the bands form both the spring elements and the rotation limiting elements, their function is described below with reference to the explanation of FIGS. 12 and 13.
  • the transverse ribs 46 and 47 extend with the spaces 48, 49 and 50.
  • FIG. 12 and 13 show a side view of a section of the edge reinforcement 45 in the area of a film hinge 32 with the surfaces 57 and 58.
  • FIG. 12 shows the arrangement in the rest position
  • FIG. 13 shows the arrangement under load.
  • the band 61 shown in FIG. 12 is slightly arched inwards. It is loaded under the conditions in FIG shown stretched position transferred, the transition to the stretched position in the band 61 builds up a spring tension, whereby this unfolds the effect of the spring element.
  • the belt 61 can practically not be stretched over the stretched position shown in FIG. 13, so that in this position it acts as a rotation limiting element.
  • the overall design of the seat 3 and backrest 5 can be covered with upholstery foam after removal from the mold, on the one hand to make projections invisible due to the reinforcements, and on the other hand to create upholstery from the outset.

Abstract

Chaise comportant un siège (3) et un dossier (5) élastique en soi, lequel est constitué de plusieurs nervures transversales (9, 10) séparées les unes des autres par des espaces intermédiaires (11, 12, 13) et situées approximativement dans la région des hanches. Ces nervures (9, 10) sont maintenues ensemble par des éléments de liaison (17, 18, 19) de telle manière que lesdites nervures transversales sont rotatives les unes par rapport aux autres autour d'axes horizontaux et que les éléments-liaison (17, 18, 19) sont constitués de charnières (24) du type à membrane qui surmontent les espaces intermédiaires (11, 12, 13), lesdites charnières étant pourvues d'éléments (26, 27) limitant la rotation. Le siège (3) conjointement avec le dossier (5) et ce dernier conjointement avec les nervures transversales (9, 10) sont moulés d'une pièce en plastique grâce à des sections deformables constituées par les charnières (24) du type à membrane et les éléments à ressort (25) correspondants.

Claims (12)

1. Siège comportant une assise (3) et un dossier (5) élastique en soi qui est constitué, à peu près au niveau des hanches, de plusieurs nervures transversales (9, 10) séparées les unes des autres par des espaces intermédiaires (11,12,13), et qui sont maintenues entre elles par des organes de liaison (17, 18, 19) de manière que les nervures transversales (9, 10) puissent tourner autour d'axes horizontaux, caractérisé en ce que les organes de liaison (17, 18, 19) sont constitués par des charnières en film (24) enjambant d'une seule pièce les espaces intermédiaires (11, 12, 13) et pourvues d'éléments de limitation de rotation (26, 27), l'assise (3) avec le dossier (5) et celui-ci avec les nervures transversales (9, 10) étant formés d'une seule pièce en matière plastique, par des sections transversales d'écoulement qui sont formées par les charnières en film (24) et par des éléments à ressort associés à ces charnières, agissant sur les bras des charnières en film (24).
2. Siège selon la revendication 1, caractérisé en ce que les bras des charnières en film (24) se prolongent dans l'assise (3), le dossier (5) et les nervures transversales (9, 10).
3. Siège selon la revendication 2, caractérisé en ce que les charnières en film (24) forment avec les éléments à ressort (25) des éléments constitutifs opposés les uns aux autres de tubes (23) longeant les espaces intermédiaires, les sections de tube comprises entre les charnières en film (24) et les éléments à ressort (25) étant essentiellement rigides.
4. Siège selon la revendication 3, caractérisé en ce que les éléments de limitation de rotation sont des saillies (26, 27) dirigées les unes vers les autres, placées dans les tubes (23).
5. Siège selon la revendication 1 ou 2, caractérisé en ce que les espaces intermédiaires situés dans la zone des organes de liaison sont constitués de rainures (31) au fond desquelles est placée la charnière en film (32).
6. Siège selon l'une des revendications 1 à 5, caractérisé en ce que les éléments à ressort sont formés par des ponts (33, 51) situés à côté des organes de liaison, entre les nervures transversales (28, 29, 30).
7. Siège selon la revendication 5 ou 6, caractérisé en ce que les rainures (31) sont ouvertes sur la face arrière du dossier (5) et en ce que les parois des rainures forment les éléments de limitation de rotation, sur le côté éloigné du fond des rainures (31).
8. Siège selon la revendication 1, 5 ou 6, caractérisé en ce que les rainures (31) sont enjambées, sur les côtés éloignés des charnières en film (32), par des bandes (61) flexibles, pratiquement non extensibles, formant des sections transversales d'écoulement et qui dans leur position tendue, forment les éléments de limitation de rotation.
9. Siège selon la revendication 8, caractérisé en ce que les bandes (61) forment en même temps les éléments à ressort et présentent, dans leur position de repos, une pliure à partir de laquelle elles passent en position tendue, lorsqu-elles sont sollicitées, à l'encontre d'une tension de ressort inhérente.
10. Siège selon l'une des revendications 1 à 9, caractérisé en ce que les organes de liaison (17, 18, 19) s'étendent au milieu du dossier (5).
11. Siège selon l'une des revendications 1 à 9, caractérisé en ce que les organes de liaison constituent une paire symétrique dans la zone latérale du dossier (5).
12. Siège selon l'une des revendications 1 à 11, caractérisé en ce que la tension des éléments à ressort est différente d'un espace intermédiaire à l'autre.
EP87901025A 1986-02-13 1987-02-05 Chaise munie d'un siege et d'un dossier elastique en soi Expired - Lifetime EP0256064B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3604534 1986-02-13
DE19863604534 DE3604534A1 (de) 1986-02-13 1986-02-13 Sitzmoebel mit einem sitz und einer in sich elastisch nachgebenden rueckenlehne

Publications (2)

Publication Number Publication Date
EP0256064A1 EP0256064A1 (fr) 1988-02-24
EP0256064B1 true EP0256064B1 (fr) 1990-05-23

Family

ID=6294025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87901025A Expired - Lifetime EP0256064B1 (fr) 1986-02-13 1987-02-05 Chaise munie d'un siege et d'un dossier elastique en soi

Country Status (4)

Country Link
US (1) US4856846A (fr)
EP (1) EP0256064B1 (fr)
DE (2) DE3604534A1 (fr)
WO (1) WO1987004909A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7333712B2 (en) 2002-02-14 2008-02-19 Koninklijke Philips Electronics N.V. Visual summary for scanning forwards and backwards in video content

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776633A (en) * 1986-04-10 1988-10-11 Steelcase Inc. Integrated chair and control
FR2620607B1 (fr) * 1987-09-22 1991-03-15 Strafor Sa Siege ergonomique
FR2620791B1 (fr) * 1987-09-22 1989-12-29 Strafor Sa Structure deformable
FR2660844B1 (fr) * 1990-04-13 1994-09-16 Allibert Sa Siege multipositions en matiere plastique moulee.
DE9100572U1 (fr) * 1991-01-20 1992-06-11 Fritz Hansens Eft. A/S, Alleroed, Dk
JPH0817730B2 (ja) * 1991-05-21 1996-02-28 株式会社イトーキ 背と座がシンクロ動作する椅子におけるシェル構造体
DE4122557C2 (de) * 1991-07-08 2000-05-04 Bock Martin Einstückiges, flächiges Formteil
US5415459A (en) * 1993-06-08 1995-05-16 Hon Industries, Inc. Adjustable width arm rest
US5419617A (en) * 1993-06-08 1995-05-30 Hon Industries, Inc. Detachable chair arm
US5582460A (en) * 1993-06-11 1996-12-10 Hon Industries Inc. Pivotable and height-adjustable chair back rest assembly and blow-molded back rest therefor
ES2110874B1 (es) * 1994-04-21 1998-11-16 Jevit Manufact Metalicas Sa Mueble de asiento.
US5810438A (en) * 1994-06-13 1998-09-22 Herman Miller, Inc. One piece molded seating structure
DE4427754C2 (de) * 1994-08-05 1997-09-11 Mauser Office Gmbh Stuhl, insbesondere Drehstuhl
US5577811A (en) * 1995-06-07 1996-11-26 Hon Industries Inc. Ergonomic chair
CA2158237A1 (fr) * 1995-09-13 1997-03-14 Paolo Favaretto Siege avec dossier pivotant
US5887946A (en) * 1997-01-03 1999-03-30 Raftery Design, Inc. Chair with movable back support
SE512489C2 (sv) * 1997-07-14 2000-03-27 Arom Pak Ab Aseptisk anslutningsanordning
US5951110A (en) * 1997-10-17 1999-09-14 Irwin Seating Company Contoured plastic seat back
ES2196937B2 (es) * 2000-02-01 2005-02-01 Euro Seating International, S.A. Procedimiento para la obtencion de armazones para respaldos de butacas y armazon asi obtenido.
US6409268B1 (en) 2000-06-09 2002-06-25 Stylex, Inc. Flexible chair back
US6726285B2 (en) * 2000-07-03 2004-04-27 Herman Miller, Inc. Cellular chair construction
US6550858B1 (en) 2000-09-21 2003-04-22 Lear Corporation Extricable seat assembly
JP4477766B2 (ja) * 2000-10-30 2010-06-09 株式会社岡村製作所 椅子の背板
GB0106247D0 (en) * 2001-03-14 2001-05-02 Williams David N L Improvements relating to supports
US6722735B2 (en) * 2001-04-16 2004-04-20 Ditto Sales, Inc. Chair with synchronously moving seat and seat back
MY134768A (en) * 2002-01-17 2007-12-31 Green Continental Furniture M Sdn Bhd A dining chair with reclining mechanism
US7128373B2 (en) * 2002-09-27 2006-10-31 Dow Global Technologies, Inc. Seating system and method of forming same
JP4140766B2 (ja) * 2003-01-30 2008-08-27 グラコ・チルドレンズ・プロダクツ・インコーポレイテッド 育児器具の座席
US7290836B2 (en) * 2003-08-28 2007-11-06 A-Dec, Inc. Patient chair
DE602004004359T2 (de) * 2004-01-26 2007-08-23 Pro-Cord S.P.A. Stuhl mit kippbarer Rückenlehne
DE102004032765C9 (de) * 2004-07-06 2009-02-26 Volker Wilhelm Eysing Bürostuhl mit flexibler Lehne
GB2419281A (en) * 2004-10-25 2006-04-26 Keith Dixon Magnetically-suspended chair
ATE385404T1 (de) * 2005-02-16 2008-02-15 Volker Wilhelm Eysing Stützelement
JP5041510B2 (ja) * 2006-06-13 2012-10-03 テイ・エス テック株式会社 車両用シート
DE602006014274D1 (de) * 2006-09-18 2010-06-24 Pro Cord Spa Sitzrückenlehne mit integrierter Lendenstütze
US7896438B2 (en) * 2006-09-29 2011-03-01 Sunrise Medical Hhg, Inc. Shapeable wheelchair seatback assembly
EP2110051A1 (fr) * 2008-04-18 2009-10-21 Pro-Cord S.P.A. Chaise
WO2009134451A1 (fr) 2008-05-02 2009-11-05 Haworth, Inc. Mécanisme de tension pour une chaise sensible au poids
US20100102606A1 (en) * 2008-10-24 2010-04-29 Chih Chiang Wang Chair Structure
US20100244515A1 (en) * 2009-03-31 2010-09-30 Dragomir Ivicevic Reclining Chair
US20100264709A1 (en) * 2009-04-16 2010-10-21 Steven Pearse Back extension backrest
NO331161B1 (no) * 2010-02-02 2011-10-24 Expo Nor As Anordning ved klappsete
JP5763180B2 (ja) 2010-05-18 2015-08-12 アライア エンタープライジーズ，インコーポレーテッド 持ち運び可能なコンパクトな折り畳み式家具
CH703477A2 (de) 2010-07-31 2012-01-31 Vitra Patente Ag Sitz mit einer in eine vorgekrümmte Verformung einstellbaren Rückenlehne.
US8602501B2 (en) * 2010-09-14 2013-12-10 Herman Miller, Inc. Backrest
US8590978B2 (en) * 2010-09-15 2013-11-26 Ford Global Technologies, Llc Ultra-thin seat carrier
ITTO20110204A1 (it) 2011-03-08 2012-09-09 Pro Cord Spa Sedia con schienale oscillante
US8567864B2 (en) 2011-08-12 2013-10-29 Hni Corporation Flexible back support member with integrated recline stop notches
US9504326B1 (en) 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
US9609952B2 (en) 2012-05-04 2017-04-04 Itoki Corporation Chair, especially, office chair
US8820835B2 (en) * 2012-08-29 2014-09-02 Hni Technologies Inc. Resilient chair incorporating multiple flex zones
USD697729S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US8973990B2 (en) 2012-09-20 2015-03-10 Steelcase Inc. Chair assembly
US11229294B2 (en) * 2012-09-20 2022-01-25 Steelcase Inc. Chair assembly with upholstery covering
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
ITTO20131015A1 (it) * 2013-12-13 2015-06-14 Pro Cord Spa Sedia con schienale oscillante
US9173492B1 (en) * 2014-06-06 2015-11-03 Jacques Fortin Self-reclining chair
US9789790B2 (en) * 2014-10-03 2017-10-17 Ford Global Technologies, Llc Tuned flexible support member and flexible suspension features for comfort carriers
JP6355845B2 (ja) * 2014-10-28 2018-07-11 ジェンサーム オートモーティブ システムズ チャイナリミテッド ランバースペーサ
US9560917B2 (en) 2014-11-26 2017-02-07 Steelcase Inc. Recline adjustment system for chair
ITUB20150149A1 (it) * 2015-02-17 2016-08-17 Pro Cord Spa Sedia con sedile oscillante
USD804841S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD808187S1 (en) 2016-04-12 2018-01-23 Steelcase Inc. Seating shell
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
US10966527B2 (en) 2017-06-09 2021-04-06 Steelcase Inc. Seating arrangement and method of construction
USD821793S1 (en) 2016-04-12 2018-07-03 Steelcase Inc. Seating shell
US10194750B2 (en) * 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
USD804839S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804840S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804875S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
USD804209S1 (en) 2016-04-12 2017-12-05 Steelcase Inc. Chair
USD802951S1 (en) 2016-04-12 2017-11-21 Steelcase Inc. Chair
USD804876S1 (en) 2016-04-12 2017-12-12 Steelcase Inc. Chair
US10021984B2 (en) 2015-04-13 2018-07-17 Steelcase Inc. Seating arrangement
CA2931229A1 (fr) * 2015-06-11 2016-12-11 Pro-Cord S.P.A. Chaise flexible
JP6770306B2 (ja) * 2015-11-09 2020-10-14 株式会社イトーキ 椅子の身体支持体
JP6997502B2 (ja) * 2015-11-09 2022-02-04 株式会社イトーキ 椅子の背もたれ
USD932203S1 (en) 2016-04-12 2021-10-05 Steelcase Inc. Seating arrangement
US10279714B2 (en) 2016-08-26 2019-05-07 Ford Global Technologies, Llc Seating assembly with climate control features
EP3518708A4 (fr) 2016-09-29 2020-05-27 Steelcase Inc. Structure d'assise souple
WO2019032971A1 (fr) 2017-08-10 2019-02-14 Hni Corporation Chaises comprenant des cadres flexibles
USD846932S1 (en) * 2017-11-22 2019-04-30 Office Depot, Inc. Chair
US10813463B2 (en) 2017-12-05 2020-10-27 Steelcase Inc. Compliant backrest
US11291305B2 (en) 2017-12-05 2022-04-05 Steelcase Inc. Compliant backrest
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
IT201900011166A1 (it) * 2019-07-08 2021-01-08 Pro Cord Spa Schienale flessibile per una sedia pieghevole e sedia pieghevole comprendente tale schienale
CN114502039A (zh) 2019-09-18 2022-05-13 斯迪尔科斯公司 具有格架构造的身体支撑构件
WO2021178206A1 (fr) 2020-03-02 2021-09-10 Steelcase Inc. Ensemble de support de corps et ses procédés d'utilisation et d'assemblage
US11812870B2 (en) 2021-02-10 2023-11-14 Steelcase Inc. Body support structure
IT202100014576A1 (it) 2021-06-04 2022-12-04 Pro Cord Spa Sedia con schienale flessibile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR680533A (fr) * 1928-08-24 1930-05-01 Siège élastique à baguettes
CH602053A5 (fr) * 1975-06-13 1978-07-31 Fehlbaum & Co
US4333683A (en) * 1978-12-04 1982-06-08 Center For Design Research And Development N.V. Chair with automatically adjustable tilting back
IT1132630B (it) * 1980-09-03 1986-07-02 Interieur Forma Sa Sedile inclinabile
GR79649B (fr) * 1982-10-22 1984-10-31 Castelli Spa
US4580836A (en) * 1982-12-23 1986-04-08 Intercollection Development S.A. Gyrenmoos Chair
US4733910A (en) * 1985-03-18 1988-03-29 Sebel Furniture Ltd. Article of furniture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7333712B2 (en) 2002-02-14 2008-02-19 Koninklijke Philips Electronics N.V. Visual summary for scanning forwards and backwards in video content

Also Published As

Publication number Publication date
DE3762795D1 (de) 1990-06-28
DE3604534A1 (de) 1987-08-20
US4856846A (en) 1989-08-15
WO1987004909A1 (fr) 1987-08-27
EP0256064A1 (fr) 1988-02-24

Similar Documents

Publication Publication Date Title
EP0256064B1 (fr) Chaise munie d'un siege et d'un dossier elastique en soi
DE4427754C2 (de) Stuhl, insbesondere Drehstuhl
EP1026976B1 (fr) Lit d'appoint
EP1959797B1 (fr) Matelas
DE2734627A1 (de) Sitzmoebel
EP1693248A2 (fr) Élément de support
DE2437809B2 (de) Siebboden sowie siebkoerper und rahmen hierfuer
EP0096859B1 (fr) Dossier pour siège de véhicule
DE2323313C3 (de) Einteilig ausgebildeter Stuhl aus Kunststoff
DE2015659C3 (de) Federeinlage, insbesondere für Matratzen oder Polstermöbel
EP1086637B1 (fr) Sous-matelas ou analogue, ainsi que ses applications
DE3046427A1 (de) Rueckenlehne fuer einen fahrzeugsitz
EP2016868A1 (fr) Noyau pouvant être extrait pour matelas et coussins de meubles
DE19526437C2 (de) Stuhl, insbesondere Reihenstuhl
DE3734232C1 (en) Folding-backrest chair
DE19804239C1 (de) Bettgestell
EP0048798A1 (fr) Chaise, notamment chaise de jardin, à dossier réglable en inclinaison et à siège réglable en hauteur
EP2090195A1 (fr) Elément de ressort pour un matelas à ressorts ou un sommier
DE2551405A1 (de) Stuhlreihe aus untereinander gekoppelten stuehlen
DE19945735A1 (de) Federungselement für ein Lattenrost
DE1529562C (de) Federrost
DE19533222C1 (de) Polstermöbelgestell
DE19831207C2 (de) Klappstuhl mit vorwiegend vertikalen Gelenkachsen des tragenden Gestells
EP1302135A2 (fr) Siège ou lit comprenant une pluralité d'éléments ressorts et procédé de fabrication de ces éléments de ressorts
DE19922998C2 (de) Klappstuhl mit vorwiegend vertikalen Gelenkachsen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB IT

17P Request for examination filed

Effective date: 19880215

17Q First examination report despatched

Effective date: 19890519

ITF It: translation for a ep patent filed

Owner name: DR. ING. A. RACHELI & C.

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REF Corresponds to:

Ref document number: 3762795

Country of ref document: DE

Date of ref document: 19900628

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ITTA It: last paid annual fee
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19980120

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980216

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990205

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19991029

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20000329

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20011201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050205