EP1192882A2 - Dossier pour chaise - Google Patents

Dossier pour chaise Download PDF

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Publication number
EP1192882A2
EP1192882A2 EP01122534A EP01122534A EP1192882A2 EP 1192882 A2 EP1192882 A2 EP 1192882A2 EP 01122534 A EP01122534 A EP 01122534A EP 01122534 A EP01122534 A EP 01122534A EP 1192882 A2 EP1192882 A2 EP 1192882A2
Authority
EP
European Patent Office
Prior art keywords
backrest
side parts
support
frame
membrane
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.)
Granted
Application number
EP01122534A
Other languages
German (de)
English (en)
Other versions
EP1192882A3 (fr
EP1192882B1 (fr
Inventor
Hatty Fischer
Manfred Schlegel
Mathias Seiler
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7658426&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1192882(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sedus Stoll AG filed Critical Sedus Stoll AG
Publication of EP1192882A2 publication Critical patent/EP1192882A2/fr
Publication of EP1192882A3 publication Critical patent/EP1192882A3/fr
Application granted granted Critical
Publication of EP1192882B1 publication Critical patent/EP1192882B1/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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted frame
    • A47C7/448—Supports for the head or the back for the back with elastically-mounted frame with resilient blocks

Definitions

  • the invention relates to the field of seating, in particular a backrest for an office chair in which the backrest is gimbaled and has spring elements supported on the backrest support.
  • the backrest on the backrest support in the case of office chairs tie up as much as possible all movements of the user's back is able to follow.
  • the backrest is gimbal-mounted, that is is movable around the three spatial axes. It can do sagittal movements of the back, i.e. movements around a horizontal axis parallel to the body, but also torsional and transversal movements, i.e. movements about the vertical axis or about a horizontal axis perpendicular to the body, consequences.
  • Such combined upper body movements in three directions occur very frequently in practice, for example with the handle on the side at the bottom Drawer of a desk, or when turning to one Interlocutor.
  • Cardanic bearings for armrests are also called called called "dorsokinetically flexible joints".
  • a chair of the type described is e.g. known from EP-A 0308538.
  • the gimbal is achieved in that the back has a spherical segment-shaped shape, which is in a second spherical segment shape is mounted on the backrest support.
  • the center point around which the backrest can move is on the upholstery surface.
  • spring elements between the backrest and backrest support e.g. elastic polyester elements, the spring forces both perpendicular and parallel to the backrest surface exercise.
  • This well-known chair offers excellent seating comfort, conditionally but some effort in its manufacture.
  • Another chair with a gimbal backrest is known from EP-A 0935934.
  • the gimbal is there by means of a achieved circular cylindrical rubber-elastic element, on its two A steel plate is vulcanized on the end faces, which is connected to the backrest or the Backrest support is connected by screws.
  • the user can use it Move the backrest against the spring forces of the rubber-elastic element.
  • the backrest support can be moved backwards against a return spring be pressed.
  • the cushion is basically rigid on its user interface executed and kinked in the area of the rubber bearing.
  • This known chair has the advantage that the gimbal bearing less Includes individual parts, and is therefore cheaper to manufacture.
  • the conventional design of the user interface of the backrest cushion is optimal support of the user's back is not achieved.
  • the Linking the backrest support to the chair column and connecting to a Return spring very complex and therefore inexpensive.
  • the rubber-elastic bearing offers no tear-off protection: if the plates vulcanized to the rubber-elastic element should come loose, the backrest falls off the backrest support.
  • a gimballed and over Form spring-supported backrest such that they on the one hand the user's back in all possible movements, be it sagittal, transversal or twisting, provides optimal support, but on the other hand nevertheless is inexpensive to manufacture. Furthermore, a high stability of the Construction in robust everyday operation. After all, the backrest according to the invention also aesthetically, under the criteria of industrial designs, an optimal solution.
  • the essence of the invention is the idea of the back of a frame and one in it build up stretched membrane, and to design the frame so that on the one hand, the membrane provides optimal support for the back of the Let users unfold, but on the other hand in an elegant and technical way the gimbal connection between backrest and Backrest supports.
  • the backrest according to the invention has a tear-off protection: itself when the vulcanized steel plates are detached, the backrest does not fall down, but remains attached to the carrier.
  • FIG. 1 an office chair is shown in side view, which has a backrest a side part 1, a backrest support 2, a dorsokinetically flexible joint 3, a base with rollers 14, a column 15, a tilt mechanism 16, and one Seat 17 includes.
  • the backrest support 2 is with the tilt mechanism 16 and the seat 17 articulated so that when lowering the rear part of the Seat 17 synchronously gives an inclination of the backrest support 2.
  • the details such a mechanism with synchronous control of the seat and backrest are known e.g. from DE-A 196 40 564.
  • the side part 1 of the backrest has a lengthways extending groove 4.
  • the rotary control 9 is in the dorsokinetically flexible joint 3 shown.
  • Fig. 2 it can be seen how the side parts 1 of the backrest by means of a lower one Cross bar 6 and an upper cross bar 18 form a frame in which the Membrane 5 is stretched.
  • the frame is preferably made of plastic.
  • the membrane 5 is preferably made of an elastic fabric. she has welted side edges, by means of which they into the grooves 4 on the two Side parts 1 of the frame is clipped.
  • the upper crossbar 18 connects the two side parts 1 of the frame at their upper ends
  • the lower crosspiece 6 connects the two side parts 1 in height the user's lumbar vertebra.
  • the backrest frame a high degree of stability can be achieved with minimal material expenditure, and can in particular the tension of the membrane 5 in the region of the lower Cross bar 6, and thus in the critical lumbar region of the user, on largest are made.
  • the dorsokinetically flexible joint 3 in Lumbar region arranged.
  • the construction has a circular cylindrical rubber buffer 10 which is made of a rubber-elastic material, and on the outside Steel plates 11, 12 are vulcanized.
  • the rubber buffer 10 has a center Recess in which a butted steel ring 13 is arranged. This forms with the steel plates 11, 12 undercuts.
  • the steel ring 13 is by means of Screw 20 screwed to the lower crosspiece 6 and holds over the Undercut the steel plate 11 firmly on the backrest frame.
  • the steel plate 12 is screwed to the backrest support 2. Thereby the dorsokinetic Joint 3 via a tear-off protection: the vulcanization loosens between Rubber buffer 10 and steel plates 11, 12, so the back does not fall off, but remains effectively connected and functional with the carrier 2.
  • the rotary control 9 can also be seen in FIGS. 3 and 4: it exists made of steel and has the shape of a cylindrical ring, the jacket is bevelled such that the height of the jacket on one side is approximately is equal to the distance between crossbar 6 and backrest support 2, and on the opposite side smaller than this distance. Is this knob 9 now in the position shown in Fig. 3, it blocks the possibility of movement the upper part of the crossbar 6 and thus the backrest. In the in the position shown in Fig. 4, in which the knob 9 relative to the position in Fig. 3 is rotated by 180 °, but the upper part of the backrest can be free move.
  • the Backrest according to the invention provides excellent seating comfort by optimally supporting the Back, is significantly reduced compared to the prior art Manufacturing effort, and offers high aesthetics in industrial design and design memorability.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
EP01122534A 2000-09-29 2001-09-24 Dossier pour chaise Expired - Lifetime EP1192882B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10048779A DE10048779A1 (de) 2000-09-29 2000-09-29 Rückenlehne
DE10048779 2000-09-29

Publications (3)

Publication Number Publication Date
EP1192882A2 true EP1192882A2 (fr) 2002-04-03
EP1192882A3 EP1192882A3 (fr) 2003-08-27
EP1192882B1 EP1192882B1 (fr) 2006-03-15

Family

ID=7658426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01122534A Expired - Lifetime EP1192882B1 (fr) 2000-09-29 2001-09-24 Dossier pour chaise

Country Status (4)

Country Link
EP (1) EP1192882B1 (fr)
AT (1) ATE320206T1 (fr)
DE (2) DE10048779A1 (fr)
ES (1) ES2257368T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6647572B2 (en) 2002-01-11 2003-11-18 Kwang-Ho Lee Cushion having embedded therein vibrating motors
EP1447029A1 (fr) * 2003-02-16 2004-08-18 Sedus Stoll AG Dossier
DE102005010533A1 (de) * 2005-03-04 2006-09-07 Bock 1 Gmbh & Co. Kg Sitzmöbel, insbesondere Bürostuhl
US7416251B2 (en) 2005-06-10 2008-08-26 Global Total Office Chair
EP1989964A1 (fr) * 2007-05-09 2008-11-12 Steelcase Sa Dispositif de fixation du dossier d'un siège à un bras support
US7490901B2 (en) 2006-10-18 2009-02-17 Sedus Stoll Aktiengesellschaft Back rest for a chair
CN110650657A (zh) * 2017-06-20 2020-01-03 国誉株式会社 椅子

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10161587A1 (de) 2001-12-14 2003-06-26 Dauphin Friedrich W Gmbh Stuhl
DE102006002008A1 (de) * 2006-01-16 2007-07-26 GLÖCKL, Josef Elastische Vebindungsvorrichtung
DE102012214642B4 (de) 2012-08-17 2017-08-17 Sedus Stoll Ag Elastomer-Lager für Bürositzmöbel, Bürositzmöbel
DE102012219206B4 (de) 2012-10-22 2017-10-26 Sedus Stoll Ag Dorsokinetische Rückenlehne eines Sitzmöbels, Sitzmöbel
DE102017214298A1 (de) 2017-08-16 2019-02-21 Sedus Stoll Ag Verbindungsanordnung für eine Rückenlehne und Büro- oder Konferenzsitzmöbel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308538A1 (fr) 1987-09-25 1989-03-29 Christof Stoll GmbH & Co KG Dossier de chaise
EP0935934A2 (fr) 1998-02-12 1999-08-18 Burkhard Vogtherr Chaise de travail

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921588C (de) * 1950-04-14 1954-12-23 Karl Weber Sitzmoebel mit nachgiebigem Sitz und Lehne
US2796920A (en) * 1955-02-01 1957-06-25 Gen Tire & Rubber Co Chair back support
FR1249297A (fr) * 1959-11-09 1960-12-30 Diffusion Du Meuble Utile Perfectionnements aux sièges
DE3207352A1 (de) * 1982-03-02 1983-09-08 Wilkhahn Wilkening + Hahne GmbH + Co, 3252 Bad Münder Sessel
DE19640564A1 (de) * 1996-10-01 1998-04-02 Stoll Sedus Ag Sitzmöbel mit neigbarem Sitz und Rückenlehne
US5934758A (en) * 1997-04-30 1999-08-10 Haworth, Inc. Membrane chair
DE29915863U1 (de) * 1998-09-19 1999-11-18 Kusch + Co. Sitzmöbelwerke GmbH & Co. KG, 59969 Hallenberg Rückenlehne für Sitzmöbel
DE29907104U1 (de) * 1999-04-21 1999-07-22 Weco-Polstermöbel GmbH & Co, 53518 Leimbach Sitzmöbel mit einer Kopfstütze

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308538A1 (fr) 1987-09-25 1989-03-29 Christof Stoll GmbH & Co KG Dossier de chaise
EP0935934A2 (fr) 1998-02-12 1999-08-18 Burkhard Vogtherr Chaise de travail

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6647572B2 (en) 2002-01-11 2003-11-18 Kwang-Ho Lee Cushion having embedded therein vibrating motors
EP1447029A1 (fr) * 2003-02-16 2004-08-18 Sedus Stoll AG Dossier
AU2004200278B2 (en) * 2003-02-16 2006-09-14 Sedus Stoll Ag Backrest
US7147288B2 (en) 2003-02-16 2006-12-12 Sedus Stoll Ag Backrest
DE102005010533A1 (de) * 2005-03-04 2006-09-07 Bock 1 Gmbh & Co. Kg Sitzmöbel, insbesondere Bürostuhl
US7416251B2 (en) 2005-06-10 2008-08-26 Global Total Office Chair
US7490901B2 (en) 2006-10-18 2009-02-17 Sedus Stoll Aktiengesellschaft Back rest for a chair
EP1989964A1 (fr) * 2007-05-09 2008-11-12 Steelcase Sa Dispositif de fixation du dossier d'un siège à un bras support
CN110650657A (zh) * 2017-06-20 2020-01-03 国誉株式会社 椅子
EP3643205A4 (fr) * 2017-06-20 2020-10-21 Kokuyo Co., Ltd. Chaise
US11103069B2 (en) 2017-06-20 2021-08-31 Kokuyo Co., Ltd. Chair
CN110650657B (zh) * 2017-06-20 2023-06-27 国誉株式会社 椅子

Also Published As

Publication number Publication date
EP1192882A3 (fr) 2003-08-27
EP1192882B1 (fr) 2006-03-15
DE10048779A1 (de) 2002-04-18
ATE320206T1 (de) 2006-04-15
ES2257368T3 (es) 2006-08-01
DE50109202D1 (de) 2006-05-11

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