EP0815779B1 - Dossier mobile - Google Patents

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Publication number
EP0815779B1
EP0815779B1 EP97108086A EP97108086A EP0815779B1 EP 0815779 B1 EP0815779 B1 EP 0815779B1 EP 97108086 A EP97108086 A EP 97108086A EP 97108086 A EP97108086 A EP 97108086A EP 0815779 B1 EP0815779 B1 EP 0815779B1
Authority
EP
European Patent Office
Prior art keywords
backrest
bearing
bar
parts
hand
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
EP97108086A
Other languages
German (de)
English (en)
Other versions
EP0815779A3 (fr
EP0815779A2 (fr
Inventor
Manfred Schlegel
Siegfried Donner
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.)
Sedus Stoll AG
Original Assignee
Sedus Stoll AG
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 Sedus Stoll AG filed Critical Sedus Stoll AG
Publication of EP0815779A2 publication Critical patent/EP0815779A2/fr
Publication of EP0815779A3 publication Critical patent/EP0815779A3/fr
Application granted granted Critical
Publication of EP0815779B1 publication Critical patent/EP0815779B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A47C7/448—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with resilient blocks

Definitions

  • the invention relates to a movable on a backrest bar suspended backrest, the backrest shield made of horizontal Sections exists.
  • Such backrests which are used particularly in chairs for office and commercial area are used, have the purpose optimally adapting to the changing posture of the user.
  • the backrest is a further development according to EP-B 107627 which is divided into movable horizontal sections is.
  • EP-B 308538 there the backrest is suspended so that it versus longitudinal (sagittal), turning (torsion) and transverse (transversal) posture changes supporting the body gives way.
  • DE 3025916 A1 shows a movable on a backrest bar suspended backrest, which consists of two horizontal Sections exist, the top section being the shape a "T”, and the bottom section has the shape of a "U”, and the "U” with its two legs the vertical part of the "T”.
  • the two sections are against each other pivoted on two sides of the backrest bar Bearings attached.
  • a spring band causes the two Sections are resiliently pivotable.
  • This known backrest only adjusts to sagittal movements of the User, and the assembly is relatively expensive.
  • the essence of the invention is that the storage of the both parts of the backrest shield is designed such that by simply exchanging a simple element, namely the bearing role, either just a sagittal, or but also additionally a tordale and transversal The backrest moves.
  • Fig. 1 shows the shield of a backrest, which consists of a upper part 1 and a lower part 2.
  • the parts 1,2 meet in the horizontal joint 3.
  • the backrest is suspended from the backrest bar 8, which is telescopic adjustable in height in the backrest shaft 15.
  • Backrest rod 8 and backrest shaft 15 have bores 19 Fixing the backrest height set in each case.
  • the parts 1.2 of the backrest shield are articulated over the Bearing parts 4.5 connected together.
  • a bearing rod 7 is stored, which is still suitable Openings of the bearing piece 9 is stored.
  • This stock 9 is attached to the backrest bar 8 and by means of a Bracket 13 secured.
  • the bracket 13 is pivotable in the Backrest bar 8 hooked in, and is on part 1 of Backrest plate by means of the screw-on bracket holder 14 attached.
  • the bearing piece 9 has on both sides of the backrest bar 8 Side panels 10 on. These side parts 10 have one hand Above stops, the upper part 1 of the backrest shield can concern. On the other hand, they have running down Cheeks on which the fixing block 16 is pivotally suspended is. This has a (not shown) nose, which in the holes 19 of the backrest bar 8 and the backrest shaft 15 can be locked. He also grips the backrest bar 8 and backrest shaft 15 and thus serves as a stop of the lower part 2 of the backrest shield.
  • FIG. 3 shows the view from FIG. 2, but with the left bearing open.
  • the bearing parts 4.5 consist of the Parts 1,2 connected bearing shells 11,12, and attachable Covering shells 17.18.
  • the inner bearing shells 11 are with connected to the upper part 1 of the backrest shield, the outer Bearing shells 12 are connected to the lower part 2.
  • the Bearing cups 11 are therefore "upper bearing cups” Bearing shells 12 called “lower bearing shell”, accordingly the corresponding cover shells 17, 18. Are inside the bearing rollers 6.
  • the parts 1.2 of the backrest shield, the bearing parts 4.5, and the bearing piece 9 are preferably injection molded parts and are made of polypropylene or the stiffer polystyrene.
  • Bearing bar 7, backrest bar 8 and backrest shaft 15, and bracket 13 are made of metal.
  • the bearing rollers 6 can now also be made of polystyrene or some other rigid material. Then can the parts 1,2 of the backrest shield against each other around the bearings 4.5 swing, and the entire backrest shield around the im Bearing piece 9 bearing rod 7. The back follows only sagittal body movements.
  • the bearing rollers consist of an elastic one Material, especially rubber. Then the bearing rod 7 movable that the backrest also torsional or transverse movements can follow the user's back.
  • Fig. 1 the parts 1,2 of the backrest shield in reinforcing webs on, so that a Rib grid or a sandwich-like honeycomb structure arises.
  • Clips, bolts, noses and hooks provided that essentially the connection with the serve (not shown) back of the backrest.

Landscapes

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

Claims (8)

  1. Dossier suspendu à déplacement sur un barreau de dossier (8) et constitué de tronçons horizontaux,
    caractérisé en ce que:
    la plaque de dossier est constituée d'une partie supérieure (1) et d'une partie inférieure (2) qui viennent buter l'une contre l'autre sur un joint (3) qui s'étend à l'horizontale,
    les deux parties (1, 2) sont fixées à pivotement mutuel sur deux paliers disposés de chaque côté du barreau de dossier (8), un palier étant constitué d'une première pièce de palier (4) fixée sur la partie supérieure (1) du dossier et d'une deuxième pièce de palier (5) fixée à la partie inférieure (2) du dossier ainsi que d'un galet de palier (6) cylindrique circulaire adapté à l'intérieur des deux pièces de palier (4, 5),
    une pièce de palier (9) est prévue et est fixée d'une part à l'extrémité supérieure du barreau de dossier (8) et présente d'autre part des ouvertures qui sont traversées par un barreau de palier (7) qui est également monté dans les galets de palier (6) des pièces de palier (4, 5), et
    les galets de palier (6) sont constitués d'un matériau rigide ou d'un matériau élastique.
  2. Dossier selon la revendication 1, caractérisé en ce que les pièces de palier (4, 5) sont chacune constituées d'une coquille de palier (11, 12) fixée sur la plaque de dossier et de coquilles de recouvrement (17, 18) correspondantes qui peuvent y être enfichées.
  3. Dossier selon la revendication 2, caractérisé en ce que les ouvertures extérieures des coquilles de palier (11, 12) et des coquilles de recouvrement (17, 18) ont un diamètre plus petit que celui des galets de palier (6).
  4. Dossier selon la revendication 1, caractérisé en ce que la pièce de palier (9) présente une poche ouverte dans le bas dans laquelle l'extrémité supérieure du barreau de dossier (8) est insérée, ainsi que deux parties latérales (10) dans lesquelles sont prévues d'une part les ouvertures pour le montage du barreau de palier (7) et qui présentent d'autre part des butées supérieures qui peuvent être placées contre la partie supérieure (1) de la plaque de dossier.
  5. Dossier selon la revendication 1, caractérisé en ce que la liaison entre le barreau de dossier (8) et la pièce de palier (9) est assurée au moyen d'un étrier (13) qui est d'une part accroché dans le barreau de dossier (8) et qui d'autre part est fixé sur la partie supérieure (1) de la plaque de dossier au moyen d'un support d'étrier (14) apte à être ouvert.
  6. Dossier selon la revendication 1, caractérisé en ce que la pièce de palier (9) présente des deux côtés du barreau de dossier (8) des joues qui s'étendent vers le bas et auxquelles un bloc de fixation (16) est suspendu à pivotement et chevauche le barreau de dossier (8), et présente d'une part un bec destiné à s'engager dans les alésages (19) de l'ajustement en hauteur et d'autre part sert de butée sur la partie inférieure (2) de la plaque de dossier.
  7. Dossier selon la revendication 1, caractérisé en ce que les parties (1, 2) de la plaque de dossier, les pièces de palier (4, 5) et la pièce de palier (9) sont des pièces moulées par injection et sont constituées de polypropylène ou de polystyrène, les coquilles de palier (11, 12) étant formées d'un seul tenant sur les parties (1, 2) correspondantes de la plaque de dossier.
  8. Dossier selon la revendication 1, caractérisé en ce que les galets de palier (6) sont constitués de caoutchouc.
EP97108086A 1996-07-01 1997-05-17 Dossier mobile Expired - Lifetime EP0815779B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19626394A DE19626394A1 (de) 1996-07-01 1996-07-01 Bewegliche Rückenlehne
DE19626394 1996-07-01

Publications (3)

Publication Number Publication Date
EP0815779A2 EP0815779A2 (fr) 1998-01-07
EP0815779A3 EP0815779A3 (fr) 2000-01-19
EP0815779B1 true EP0815779B1 (fr) 2002-12-04

Family

ID=7798581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108086A Expired - Lifetime EP0815779B1 (fr) 1996-07-01 1997-05-17 Dossier mobile

Country Status (4)

Country Link
EP (1) EP0815779B1 (fr)
AT (1) ATE228793T1 (fr)
DE (3) DE19626394A1 (fr)
ES (1) ES2187696T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW582241U (en) * 2002-12-23 2004-04-01 R-Shuen Liau Improved structure for adjusting height and position of backrest of chair
US7416251B2 (en) 2005-06-10 2008-08-26 Global Total Office Chair
US7681952B2 (en) 2008-06-06 2010-03-23 Pro-Cord S.P.A. Chair with tiltable backrest

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333683A (en) * 1978-12-04 1982-06-08 Center For Design Research And Development N.V. Chair with automatically adjustable tilting back
DE3025916A1 (de) * 1980-07-09 1982-01-28 Röder GmbH Sitzmöbelwerke, 6000 Frankfurt Rueckenlehne fuer ein sitzmoebel, insbesondere fuer einen buerodrehstuhl
GR79649B (fr) * 1982-10-22 1984-10-31 Castelli Spa
ATE70415T1 (de) * 1987-09-25 1992-01-15 Stoll Kg Christof Stuhl-rueckenteil.
NZ245709A (en) * 1992-01-21 1995-03-28 Bio Support Ind Orthopaedic backrest; separable parts facilitate transportation

Also Published As

Publication number Publication date
DE19626394A1 (de) 1998-01-08
DE29622882U1 (de) 1997-07-10
EP0815779A3 (fr) 2000-01-19
ES2187696T3 (es) 2003-06-16
EP0815779A2 (fr) 1998-01-07
DE59708864D1 (de) 2003-01-16
ATE228793T1 (de) 2002-12-15

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