EP0264555A2 - 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
EP0264555A2
EP0264555A2 EP87111376A EP87111376A EP0264555A2 EP 0264555 A2 EP0264555 A2 EP 0264555A2 EP 87111376 A EP87111376 A EP 87111376A EP 87111376 A EP87111376 A EP 87111376A EP 0264555 A2 EP0264555 A2 EP 0264555A2
Authority
EP
European Patent Office
Prior art keywords
backrest
support
chair
chair according
seat
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
EP87111376A
Other languages
German (de)
English (en)
Other versions
EP0264555B1 (fr
EP0264555A3 (en
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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/402—Supports 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.
  • the backrest support which is formed in one piece as a strut, is fastened in a clamping piece on the seat or the seat support carrying it. After loosening a clamping screw, this backrest support can be moved in height with the backrest that it supports and then fastened again by pressing the clamping screw.
  • Such a height adjustment of the backrest is complex.
  • the constructive training is less packaging and shipping-friendly, since the relatively long backrest support is completely attached to the backrest and thus this part is very bulky overall.
  • the invention has for its object to design a chair of the generic type so that a simple and elegant height adjustment is achieved on the one hand, and on the other hand backrest and seat are packaging-friendly and thus shipping-friendly.
  • the division of the backrest support into its telescopic configuration creates two relatively short support parts, one of which is connected to the seat or the seat support carrying it and the other to the backrest.
  • the locking device can be released at the push of a button, so that height adjustment is possible in a very simple manner.
  • This configuration also enables tool-free assembly and disassembly of the backrest by pushing together or pulling apart the two support parts when the locking device is open.
  • the spring used to close the locking device according to claim 2 can also serve as a pull-apart protection according to claim 6 to prevent unintentional loosening of the two telescopic carrier parts when adjusting the height.
  • a pull-apart protection according to claim 6 to prevent unintentional loosening of the two telescopic carrier parts when adjusting the height.
  • tool-free assembly and disassembly is possible, since the associated leg of the spring for dismantling the two support parts only has to be held in the position in which the corresponding end of the spring does not snap into the latching recess on the inner support part.
  • An office chair shown in Fig. 1 has a base frame 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 o12 (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 o 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, in relation to 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 2o 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 the ball bears 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 2o is moved against the force of this spring 26 - in FIGS. 3 and 4 to the right - toward the carrier parts 11, 13, then the cavity 24 under the inclined surface 25 can accommodate the ball 19 so far that it emerges 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 2o, 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 3o 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 locking recess 34 is formed in the area of the inner support part 13 up to which the maximum height adjustment of the backrest support 6 is to take place. This prevents the backrest 7 with the outer carrier part 11 from being pulled off the inner carrier part 13, that is to say detached from the chair, when the slide 2o is pressed in, that is to say when the locking device 14 is open.
  • 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 2o 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)
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
DE3635244 1986-10-16
DE8627648U DE8627648U1 (de) 1986-10-16 1986-10-16 Stuhl, insbesondere Bürostuhl, mit höhenverstellbarer Rückenlehne
DE19863635244 DE3635244A1 (de) 1986-10-16 1986-10-16 Stuhl, insbesondere buerostuhl, mit hoehenverstellbarer rueckenlehne

Publications (3)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (24)

* 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
US5393125A (en) * 1993-05-28 1995-02-28 Steelcase Inc. Height adjustable chair arm assembly
US5439267A (en) * 1993-05-28 1995-08-08 Steelcase Inc. Chair with adjustable arm assemblies
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
DE29510446U1 (de) * 1995-06-28 1995-11-09 SIFA Sitzfabrik GmbH, 92237 Sulzbach-Rosenberg Rückenlehnenklemmung
DE19523358C8 (de) * 1995-06-28 2006-01-26 Volkswagen Ag Arretiermechanismus für eine Kopfstütze
US5586809A (en) * 1995-08-04 1996-12-24 Herman Miller, Inc. Height adjustment mechanism for a chair backrest
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
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
US7566099B2 (en) * 2003-10-22 2009-07-28 Lord Corporation Furniture seatback tilt recline angle limiter and method
CN102772053A (zh) 2007-01-29 2012-11-14 赫尔曼米勒有限公司 座位结构及其使用方法
US9161631B2 (en) * 2013-07-01 2015-10-20 Anthro International Incorporated Adjustment mechanism for furniture
AU2016228947A1 (en) * 2015-03-10 2017-10-12 Wable, Hans Johann Chair adjustment means
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
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
DE7307556U (de) * 1973-02-28 1973-05-30 Metall + Plast Matissek H Kg Sitzmöbel, insbesondere Stuhl mit höhen verstellbarem Sitz.
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO1997024958A1 (fr) * 1996-01-10 1997-07-17 Sifa Sitzfabrik Gmbh Dispositif de reglage en hauteur d'un dossier
WO1997024959A1 (fr) * 1996-01-10 1997-07-17 Sifa Sitzfabrik Gmbh Systeme de liberation pour mecanisme de reglage en hauteur de dossiers
DE19603789A1 (de) * 1996-02-02 1997-08-07 Wilkhahn Wilkening & Hahne Arretierbare Verstelleinrichtung

Also Published As

Publication number Publication date
ATE60497T1 (de) 1991-02-15
DE8627648U1 (de) 1988-09-01
US4786108A (en) 1988-11-22
JPS6368837U (fr) 1988-05-09
JPH0725076Y2 (ja) 1995-06-07
GR3001425T3 (en) 1992-09-25
EP0264555B1 (fr) 1991-01-30
DE3767826D1 (de) 1991-03-07
CA1279567C (fr) 1991-01-29
EP0264555A3 (en) 1988-07-27
DE3635244A1 (de) 1988-04-28
ZA876325B (en) 1988-03-02

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