EP0264555B1 - Chaise, notamment chaise de bureau, avec dossier réglable en hauteur - Google Patents

Chaise, notamment chaise de bureau, avec dossier réglable en hauteur Download PDF

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Publication number
EP0264555B1
EP0264555B1 EP87111376A EP87111376A EP0264555B1 EP 0264555 B1 EP0264555 B1 EP 0264555B1 EP 87111376 A EP87111376 A EP 87111376A EP 87111376 A EP87111376 A EP 87111376A EP 0264555 B1 EP0264555 B1 EP 0264555B1
Authority
EP
European Patent Office
Prior art keywords
support
chair
backrest
seat
back rest
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
EP87111376A
Other languages
German (de)
English (en)
Other versions
EP0264555A3 (en
EP0264555A2 (fr
Inventor
Elke Dauphin
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.)
Buerositzmobelfabrik Friedrich-W Dauphin & Co GmbH
Original Assignee
Buerositzmobelfabrik Friedrich-W Dauphin & Co GmbH
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 Buerositzmobelfabrik Friedrich-W Dauphin & Co GmbH filed Critical Buerositzmobelfabrik Friedrich-W Dauphin & Co GmbH
Priority to AT87111376T priority Critical patent/ATE60497T1/de
Publication of EP0264555A2 publication Critical patent/EP0264555A2/fr
Publication of EP0264555A3 publication Critical patent/EP0264555A3/de
Application granted granted Critical
Publication of EP0264555B1 publication Critical patent/EP0264555B1/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
    • A47C7/402—Support for the head or the back for the back adjustable in height

Definitions

  • the invention relates to a chair according to the preamble of claim 1.
  • a telescopic backrest support is provided which is provided with a multi-purpose backrest at its upper end.
  • This chair is primarily used for physiotherapy purposes.
  • the height of the backrest support with backrest is adjusted using a screw or a pin-hole lock.
  • the division of the backrest support creates two relatively short support parts.
  • the locking device can be released relatively easily, so that a simple height adjustment of the backrest is possible.
  • This configuration also enables tool-free assembly and disassembly of the backrest by pushing or pushing the two support parts apart when the locking device is open.
  • the disadvantage is that the support parts can be pulled apart when adjusting the backrest, which in turn makes handling more difficult.
  • a backrest height adjustment for office chairs in which a backrest is guided to be adjustable in height on a fixed backrest support.
  • a backrest support In the backrest support Recesses attached, into which a locking ball can be pressed by means of an inclined surface.
  • This inclined surface is connected to an actuating pin which is guided in the backrest next to and parallel to the backrest support. If the inclined surface is pushed up against a return spring by appropriate actuation of the pin, the locking ball can fall out. The backrest can then be moved.
  • the invention has for its object to design a chair of the generic type so that it can be used as an office chair with a height-adjustable backrest and that inadvertent loosening of the two telescopic support parts is prevented with height adjustments of the backrest.
  • Fig. 3 is a view of the backrest support according to the arrow III in Fig. 2, and
  • FIG. 4 shows a section through the backrest support in the area of the locking device according to section line IV-IV in FIG. 3.
  • An office chair shown in Fig. 1 has a base 1, which is supported by rollers 2 against the floor.
  • a height-adjustable chair column 3 is attached, at the upper end of which a seat support 4 is attached, on which in turn a padded seat 5 is attached.
  • On the seat support 4 is a essentially upward extending backrest support 6 is attached, at the upper end of a backrest 7 is attached.
  • the height adjustment of the chair column 3 is carried out by means of an operating lever 8 mounted in the seat support 4.
  • a further actuating lever 9 is mounted on the seat support 4.
  • the basic structure of the office chair described is generally known.
  • the height-adjustable chair column 3 is known for example from DE-PS 19 31 012 (corresponding to US Pat. No. 3,711,054) or DE-PS 18 12 282 (corresponding to US Pat. No. 3,656,593).
  • the structure of the seat support including the described pivoting possibilities of the backrest 7 and seat 5 is known for example from EP-OS 0 179 185 (corresponding to ZA-PS 85/6126).
  • the seat support 4 can be partially or largely covered by a panel 10 attached to the underside of the seat 5.
  • the backrest support 6 is designed telescopically, ie it consists of two parts guided into one another.
  • the upper end 12 of the outer support part 11 is fastened to the backrest 7.
  • the lower end of the inner support part 13, which is guided in the outer support part, is attached to the seat support 4.
  • the cross section of the two support parts 11, 13 is approximately rectangular and adapted to one another, so that the two parts can be displaced in their longitudinal direction with respect to one another but not rotated with respect to one another.
  • a locking device 14 is provided in order to be able to lock the two support parts 11, 13, which are displaceable in their longitudinal direction with respect to one another, in a predetermined position, in order to be able to fix a height adjustment of the backrest 7.
  • recesses 16 in the form of spherical spheres are formed on a longitudinal side 15 of the inner support part 13 and run parallel to the common central longitudinal axis 17 of the two support parts 11, 13 in the region in which the two support parts 11, 13 can be moved into one another.
  • the central longitudinal axis 17 is a straight line.
  • an opening 18 is formed in the outer carrier part 11, in which a ball 19 is arranged, which can be placed in a respective recess 16.
  • the spherical cap-shaped depressions 16 and the ball 19 are therefore matched to one another.
  • a slide 20 is provided above the ball 19 and is guided in guide rails 21.
  • These guide rails 21 are on the larger outside Wall 22 of the outer support member 11 is attached, which is assigned to the longitudinal side 15 of the inner support 13.
  • the direction of displacement 23 is perpendicular to the axis 17, that is to say horizontally, based on a flat floor as a seat for the chair, and parallel to the outer wall 22, that is also perpendicular to the vertical main plane of symmetry of the chair.
  • a cavity 24 partially accommodating the ball 19 is formed, which is closed off by an inclined surface 25 which is inclined in the direction of displacement 23.
  • the pen 20 is loaded by means of a prestressed spring 26 in such a way that it is pressed into a position shown in FIGS. 3 and 4, in which the inclined surface 25 presses against the ball 19 in such a way that it moves into a recess 16 is pressed in the inner support member 13. In this position, the inner support member 13 is locked to the outer support member 11. If the slide 20 is moved against the force of this spring 26 _ in Figures 3 and 4 to the right _ to the support parts 11, 13, then the cavity 24 under the inclined surface 25 can accommodate the ball 19 so far that it from the corresponding recess 16 is lifted out or pushed. In this case, the locking between the carrier parts 11, 13 is released; the latter can be shifted against each other in the direction of the axis 17. To actuate the slide 20, an actuation button 27 is attached to it.
  • the spring 26 rests with a leg 28 against an angled section 29 of the slide 2o, to which the actuating button 27 is attached.
  • the other leg 30 is supported with an end 31 extending transversely to the outer wall 22 in a slot 32 in the outer carrier part 11.
  • a latching recess 34 is worked out, into which the end 31 of the leg 30 lies when the end 31 and the latching recess 34 come to coincide.
  • This latching recess 34 is formed in the region of the inner support part 13 up to which the maximum height adjustment of the backrest support 6 is to take place. This prevents that when the slide 20 is pressed in, that is to say when the locking device 14 is open, the backrest 7 with the outer carrier part 11 is accidentally pulled off the inner carrier part 13, that is to say that it is detached from the chair.
  • a corresponding inclined surface configuration of the latching recess 34 ensures that the outer carrier part 11 can be pushed onto the inner carrier part 13 without the end 31 of the spring 26 being fixed in this latching recess 34.
  • the carrier parts 11, 13 are surrounded by a bellows 35 which is fixed on the one hand on the backrest 7 and on the other hand on the seat carrier 4.
  • the actuation button 27 of the slide 20 is guided to the outside through a corresponding opening 36 in the bellows, so that actuation of the locking device 14 by the bellows 35 is possible.
  • a filler 37 adapted to the course of the bellows is arranged on the side opposite the operating button 27 between the outer carrier part 11 and the bellows 35.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Special Chairs (AREA)

Claims (7)

1. Chaise, notamment chaise de bureau, comportant un piétement (1) sur lequel s'appuie une assise (5), ainsi qu'un appui corporel (7) supporté de manière réglable en hauteur par un support d'appui corporel (6), le support d'appui corporel (6) étant d'une part relié à l'appui corporel (7), et d'autre part à l'assise (5), le support d'appui corporel (6) étant conçu de manière télescopique et constitué d'une partie de support intérieure et extérieure (13, 11), un dispositif de blocage (14) étant prévu sur le support d'appui corporel (6), pour bloquer entre-elles, de manière réversible, les deux parties de support (11, 13) dans différentes positions, le dispositif de blocage étant poussé de manière réversible dans une position de blocage au moyen d'un ressort précontraint (26), caractérisée en ce que le support d'appui corporel est réalisé sous la forme d'un support de dossier (6) et l'appui corporel sous la forme d'un dossier (7), et en ce que le ressort (26) fait simultanément office de sécurité de séparation à l'étirement pour les deux parties de support (11, 13).
2. Chaise selon la revendication 1, caractérisée en ce qu'une extrémité (31) du ressort (26) s'engage sous précontrainte élastique, dans une fente (32) de la partie de support extérieure (11), et en ce qu'un évidement d'encliquetage (34) dans la partie de support intérieure (13) est associé à cette fente (32).
3. Chaise selon la revendication 1, caractérisée en ce que le support de dossier (6) est entouré d'un soufflet (35) qui s'étend du dossier (7) jusqu'à l'assise (5), et qui est traversé par un bouton de manoeuvre (27) du dispositif de blocage (14).
4. Chaise selon la revendication 3, caractérisée en ce que sur le côté du support de dossier (6), opposé à celui où se trouve le bouton de manoeuvre (27), est agencée une pièce de remplissage (37) adaptée au soufflet (35).
5. Chaise selon la revendication 1, caractérisée en ce que le dispositif de blocage (14) est constitué par un dispositif d'encliquetage à bille, dont la bille (19), maintenue dans la partie de support extérieure (11), peut être poussée successivement dans l'un de plusieurs évidements (16) dans la partie de support intérieure (13).
6. Chaise selon la revendication 5, caractérisée en ce que le dispositif de blocage (14) comprend un coulisseau (20) qui présente une surface inclinée (25) faisant office de surface de butée pour la bille (19).
7. Chaise selon la revendication 6, caractérisée en ce que le coulisseau (20) est poussé dans une position de blocage, au moyen du ressort précontraint (26), position dans laquelle la bille (19) est poussée en direction de la partie de support intérieure (13), au moyen de la surface inclinée (25).
EP87111376A 1986-10-16 1987-08-06 Chaise, notamment chaise de bureau, avec dossier réglable en hauteur Expired - Lifetime EP0264555B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87111376T ATE60497T1 (de) 1986-10-16 1987-08-06 Stuhl, insbesondere buerostuhl, mit hoehenverstellbarer rueckenlehne.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19863635244 DE3635244A1 (de) 1986-10-16 1986-10-16 Stuhl, insbesondere buerostuhl, mit hoehenverstellbarer rueckenlehne
DE3635244 1986-10-16
DE8627648U DE8627648U1 (de) 1986-10-16 1986-10-16 Stuhl, insbesondere Bürostuhl, mit höhenverstellbarer Rückenlehne

Publications (3)

Publication Number Publication Date
EP0264555A2 EP0264555A2 (fr) 1988-04-27
EP0264555A3 EP0264555A3 (en) 1988-07-27
EP0264555B1 true EP0264555B1 (fr) 1991-01-30

Family

ID=48614222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111376A Expired - Lifetime EP0264555B1 (fr) 1986-10-16 1987-08-06 Chaise, notamment chaise de bureau, avec dossier réglable en hauteur

Country Status (8)

Country Link
US (1) US4786108A (fr)
EP (1) EP0264555B1 (fr)
JP (1) JPH0725076Y2 (fr)
AT (1) ATE60497T1 (fr)
CA (1) CA1279567C (fr)
DE (3) DE8627648U1 (fr)
GR (1) GR3001425T3 (fr)
ZA (1) ZA876325B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744363A1 (de) * 1987-12-29 1989-07-13 Roeder Gmbh Stuhl, insbesondere arbeits- oder buerostuhl
DE3910375A1 (de) * 1988-10-20 1990-04-26 Buerositzmoebelfabrik Friedric Hoehenverstellbarer rueckenlehnentraeger fuer einen stuhl
DE8814502U1 (de) * 1988-11-21 1989-02-09 Schräder, Margarete, 8654 Marktleugast Kinder-Sicherheitssitz zum Einsatz in Fahrzeugen
DE3914832A1 (de) * 1989-05-05 1990-11-08 Link Wilhelm Kg Stuhl, insbesondere buerostuhl
GB2246287B (en) * 1990-06-12 1993-10-20 Unit Press Limited Back support pillar for a chair
DE4230230A1 (de) * 1992-09-10 1994-03-17 Dauphin Friedrich W Gmbh Armlehne für Sitzmöbel
US5388892A (en) * 1993-04-02 1995-02-14 Tornero; Lino E. Mechanism for the relative positioning of telescoping members
DE4317609C2 (de) * 1993-05-27 2002-04-11 Dauphin Friedrich W Gmbh Stuhl, insbesondere Bürostuhl
US5439267A (en) * 1993-05-28 1995-08-08 Steelcase Inc. Chair with adjustable arm assemblies
US5393125A (en) * 1993-05-28 1995-02-28 Steelcase Inc. Height adjustable chair arm assembly
US5382079A (en) * 1993-10-25 1995-01-17 Chromcraft Revington, Inc. Adjustable arm attachable to a chair body
US5630650A (en) * 1994-03-30 1997-05-20 Steelcase Inc. Vertically adjustable back construction for seating
IT239565Y1 (it) * 1995-03-21 2001-03-05 Miotto Internat Company Dispositivo di regolazione dell'altezza di uno schienale di una sedia
DE19523358C8 (de) * 1995-06-28 2006-01-26 Volkswagen Ag Arretiermechanismus für eine Kopfstütze
DE29510446U1 (de) * 1995-06-28 1995-11-09 SIFA Sitzfabrik GmbH, 92237 Sulzbach-Rosenberg Rückenlehnenklemmung
US5586809A (en) * 1995-08-04 1996-12-24 Herman Miller, Inc. Height adjustment mechanism for a chair backrest
DE29600332U1 (de) * 1996-01-10 1996-03-07 SIFA Sitzfabrik GmbH, 92237 Sulzbach-Rosenberg Höhenverstellung für Rückenlehnen
DE29600333U1 (de) * 1996-01-10 1996-03-07 SIFA Sitzfabrik GmbH, 92237 Sulzbach-Rosenberg Auslösung für eine Höhenverstellung von Rückenlehnen
DE19603789A1 (de) * 1996-02-02 1997-08-07 Wilkhahn Wilkening & Hahne Arretierbare Verstelleinrichtung
US6250715B1 (en) 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
AU783829B2 (en) 2000-09-28 2005-12-08 Formway Furniture Limited A reclinable chair
US7566099B2 (en) * 2003-10-22 2009-07-28 Lord Corporation Furniture seatback tilt recline angle limiter and method
KR101539468B1 (ko) 2007-01-29 2015-07-24 허만 밀러 인코포레이티드 시팅 구조물 및 상기 시팅 구조물의 사용 방법
US9161631B2 (en) * 2013-07-01 2015-10-20 Anthro International Incorporated Adjustment mechanism for furniture
EP3267838A4 (fr) * 2015-03-10 2018-10-24 Wabl, Hans Johann Moyen de réglage pour chaise
US20180274270A1 (en) * 2017-03-27 2018-09-27 Ford Global Technologies, Llc Bezel-less release button

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7307556U (de) * 1973-05-30 Metall + Plast Matissek H Kg Sitzmöbel, insbesondere Stuhl mit hohenverstellbarem Sitz
DE179185C (fr) *
DE1824431U (de) * 1956-04-26 1961-01-05 Kloeber O H G Spezialfabrik Fu Hoehenverstellbarer stuhl.
US3295888A (en) * 1965-10-21 1967-01-03 Steelcase Inc Backrest height adjusting apparatus for chairs and the like
US3572834A (en) * 1968-02-02 1971-03-30 Kurt Herzer Adjustable head rest for vehicle seats
DE1812282C3 (de) * 1968-12-03 1981-07-30 Fritz Bauer + Söhne oHG, 8503 Altdorf Hubvorrichtung zum stufenlosen Höhenverstellen von Tischplatten, Stuhlsitzen u.dgl.
CH481646A (de) * 1968-12-19 1969-11-30 Bremshey & Co Krankengymnastik-Behandlungs- und Massagestuhl
CH514317A (de) * 1969-06-19 1971-10-31 Bauer Fritz Hubvorrichtung zum stufenlosen Höherverstellen einer Tragfläche, insbesondere Sitzfläche von Stühlen oder Hockern
GB1371641A (en) * 1971-11-23 1974-10-23 Parnall & Sons Ltd Chairs
IT948963B (it) * 1972-01-31 1973-06-11 Olivetti & Co Spa Sedia per ufficio particolarmente per segretarie
US4012158A (en) * 1975-09-15 1977-03-15 Harper Henry J Adjustable seat-back mechanism
CH591832A5 (en) * 1976-01-20 1977-09-30 Giroflex Entwicklungs Ag Chair with height adjustable mechanism - has movable tube with detent holes featuring chamfer for ball to facilitate setting
US4466665A (en) * 1982-01-25 1984-08-21 Robert Aronowitz Chair having adjsutable, cantilevered lumbar-supporting arm
DE3331978A1 (de) * 1982-08-20 1985-03-21 ITW Ltd., Windsor, Berkshire Federhalterung fuer kopfstuetzen
JPH0227808Y2 (fr) * 1984-11-06 1990-07-26
US4639039A (en) * 1985-09-10 1987-01-27 Milsco Manufacturing Company Height adjustment mechanism for chair backrest
US4662682A (en) * 1985-10-15 1987-05-05 Maurel Jacques A Seat back height adjustment mechanism

Also Published As

Publication number Publication date
JPS6368837U (fr) 1988-05-09
ATE60497T1 (de) 1991-02-15
DE3635244A1 (de) 1988-04-28
US4786108A (en) 1988-11-22
EP0264555A3 (en) 1988-07-27
EP0264555A2 (fr) 1988-04-27
ZA876325B (en) 1988-03-02
GR3001425T3 (en) 1992-09-25
JPH0725076Y2 (ja) 1995-06-07
DE3767826D1 (de) 1991-03-07
CA1279567C (fr) 1991-01-29
DE8627648U1 (de) 1988-09-01

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