EP1325694B1 - Chaise, notamment chaise de bureau - Google Patents

Chaise, notamment chaise de bureau Download PDF

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Publication number
EP1325694B1
EP1325694B1 EP02028829A EP02028829A EP1325694B1 EP 1325694 B1 EP1325694 B1 EP 1325694B1 EP 02028829 A EP02028829 A EP 02028829A EP 02028829 A EP02028829 A EP 02028829A EP 1325694 B1 EP1325694 B1 EP 1325694B1
Authority
EP
European Patent Office
Prior art keywords
seat support
pivot axis
chair
chair according
adjusting
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
EP02028829A
Other languages
German (de)
English (en)
Other versions
EP1325694A2 (fr
EP1325694A3 (fr
Inventor
Konrad Wild
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.)
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs GmbH
Original Assignee
Friedrich W Dauphin GmbH and Co
Dauphin Entwicklungs und Beteiligungs 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 Friedrich W Dauphin GmbH and Co, Dauphin Entwicklungs und Beteiligungs GmbH filed Critical Friedrich W Dauphin GmbH and Co
Publication of EP1325694A2 publication Critical patent/EP1325694A2/fr
Publication of EP1325694A3 publication Critical patent/EP1325694A3/fr
Application granted granted Critical
Publication of EP1325694B1 publication Critical patent/EP1325694B1/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03255—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest with a central column, e.g. rocking office chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03266—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with adjustable elasticity
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03261—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means
    • A47C1/03283—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with fluid springs

Definitions

  • the invention relates to a chair, in particular an office chair, according to the Obergriff of claim 1.
  • a generic chair is known from EP 0 5 84 620 A1. This has a seat that can be pivoted relative to one another Seat support parts is supported. The hardness or softness of the pivotability the seat support parts relative to each other is supported by a spring abutment determined, the effect can be changed by a set screw is. The set screw is led down out of the rear seat support part and has a twist grip at its outer end. To change the effect of the spring abutment must be the user of the chair get off this and turn the handle.
  • the invention has for its object a chair of the generic type Kind in such a way that an adjustment of the action of the spring abutment is as simple as possible.
  • the task is in a chair according to the preamble of the claim 1 by the features of the characterizing part of claim 1 solved.
  • the essence of the invention is between the actuator and the actuating rotary handle to provide a coupling element that the transmission of torque from the actuating twist grip the actuator allows, without requiring the axis of rotation of the control element is aligned with the axis of rotation of the rotary control handle.
  • An office chair shown in Fig. 1 has a base frame 1 which Rollers 2 is supported against the ground.
  • On the base 1 is one height-adjustable chair column 3, covered by a bellows 3a, at the upper end of a seat support 4 is releasably attached, on the again a padded seat 5 is attached.
  • On the seat support 4 is a attached essentially upward extending backrest support 6, at the upper end of a backrest 7 is attached.
  • the height adjustment the chair column 3 is carried out by means of an operating lever 8.
  • To change the inclination of the backrest 7 with backrest support 6 while changing the inclination of the seat 5 is another Operating lever 9 mounted on the seat support 4.
  • the seat support 4 can partially or largely by one attached to the underside of the seat 5 Cover 10 be optically covered.
  • Fig. 1 it can be seen that the backrest support 6 clad by a bellows 11 for optical reasons is.
  • the basic structure of the office chair described is generally known.
  • the Height-adjustable chair column 3 is for example from DE-PS 19 31 012 (corresponding to US-PS 3,711,054) or DE-PS 18 12 282 (corresponding U.S. Patent 3,656,593) is known.
  • the structure of the seat support 4 including the described pivoting options of the backrest 7 and seat 5 is for example from EP-PS 0 179 185 (corresponding to ZA-PS 85/6126) known.
  • the seat support 4 is of split design. He consists of a front seat support part 12 and a rear seat support part 13, which has a substantially U-shaped, downwardly open cross section exhibit. It follows that they each have two side walls 14, 15 or 16, 17, which each have floors 18 facing through the seat 5 or 19 are connected to each other.
  • the two seat support parts 12, 13 are by a pivot axis arranged adjacent to its bottoms 18, 19 20 connected together.
  • a seat bracket 21 around a Swivel axis 22 is pivotally attached, the seat bracket 21 through a cross to the main plane of symmetry of the chair, i.e. across to Drawing level of FIG. 2 extending profile is formed.
  • the seat 5 is supported via spacers 23.
  • the seat 5 is still on the floor 19 of the rear seat support part 13 by means of elastic Buffer 26 supported and attached.
  • a length-adjustable energy accumulator in the form of a length-adjustable gas spring 27 articulated about a pivot axis 28, which is connected to the pivot axes 20 and 22 runs in parallel.
  • This pivot axis 28 is the housing 29 of the Gas spring 27 facing, from the other end of a piston rod 30 is brought out.
  • An actuating pin 31 protrudes from the piston rod 30 out, by means of which a valve in the gas spring for length adjustment can be operated.
  • the piston rod 30 is by means of a Thread connected to an actuator 32 to which the operating lever 9 heard.
  • This actuator is between the side walls 14, 15 of the front seat support part 12 parallel to the pivot axes 20, 22, 28 pivotally mounted.
  • the operating lever 9 is through an elongated hole 33 in the associated side wall 16 of the rear seat support part 13 led out, this elongated hole 33 is curved in such a way that its center coincides with the pivot axis 20.
  • Length adjustments of the gas spring 27 are the front and the rear seat support part 12 or 13 against each other about the pivot axis 20 pivoted, which on the one hand changes the inclination of the seat 5 and at the same time the backrest support 6 with the backrest 7 is pivoted.
  • Such devices are called so-called Designated synchronous mechanisms.
  • the structure of the seat support 4 with the seat 5 is - insofar as it has been described so far became known from EP-PS 0 179 185 (corresponding to ZA-PS 85/6126). Structure and arrangement of the actuator 32 and the gas spring 27 is known from EP-OS 0 179 216.
  • a spring abutment 34 is pivotally mounted, the cross section is designed in the manner of an angle lever.
  • One abutment lever 35 extends rearward from the pivot axis 20, i.e. in the direction to the backrest support 6, namely below the bottom 19 of the rear seat support part 13.
  • This spring element 40 lies with its other End against a stationary, but pivotable abutment 41, the by a rear wall opposite the lever 39 of the following bearing part 46, which is explained in more detail, is formed.
  • the spring element 40 is attached to a pin-like projection 42 of the lever 39 so that it does not down from the area between the lever 39 and the abutment 41 can fall out.
  • the spring element 40 comes at intermediate positions of the adjusting screw 36 each with correspondingly different pivot positions from the rear Seat support member 13 relative to the front seat support member 12, i.e. at different Backward inclinations of the backrest 7 and thus also the Seat 5 for engagement.
  • the block-like spring element 40th in these intermediate positions only with an edge 44 with the abutment 41 comes to rest and only with a further swiveling movement steadily increasing comes to full-surface abutment 41.
  • a certain progression in the spring action is achieved.
  • the levers 35, 39 stiffened with one or more intermediate webs 24.
  • the adjusting screw 36 not accidentally unscrewed from the internal thread 38 is, its external thread is slotted in the region of the end 43 and set up. To enable the adjusting screw 36 to be actuated easily, it is at its end protruding laterally from the seat support 4 provided with a rotary handle 25.
  • the set screw 36 is opposite Gas spring 27 arranged offset.
  • the gas springs 27 are customary and generally known in terms of structure and mode of operation, for example from DE-PS 18 12 282 (corresponding to US-PS 3,656,593).
  • the front seat support part 12 For additional inclination adjustment of the entire seat 5 with the synchronous mechanism is the front seat support part 12 with the upper, as a bearing cone 45 trained end of the chair column 3 over a whole with 46 designated bearing part articulated.
  • Die-cast aluminum existing bearing part 46 is seated with an inner cone-shaped housing Bearing block 47 on the bearing cone 45 of the chair column 3.
  • the Bearing bracket 47 is fastened in a longitudinally oriented rectangular tube 48, which on its side behind the bracket 47 a parallel to Pivot axis 20 extending joint axis 49 in the form of a simple one Carries screw with nut.
  • the front seat support part is on this hinge axis 49 12 hinged.
  • the structure of the spring abutment 34 is described in more detail below.
  • the adjusting screw 36 has the external thread over its entire length 37 on. It extends from floor 19 to the point the lower edge 50 of the internal thread 38 in the pivoted-out position of the spring abutment 34 reached.
  • the external thread 37 can also be slight be trained longer.
  • the lower end 51 of the set screw 36 lies within the rear side support part 13.
  • the set screw 36 has the function of an actuating element, which, as already explained above, the preload between the spring abutment 34 and the seat support part 12 changed.
  • the set screw 36 is rotatable about an axis of rotation 52.
  • the spring shaft 54 is flexible, according to Art a spiral spring, suitable for the transmission of torques Waves in question. Instead of the spring shaft 54, two over one Cardan joint, rigid shaft sections are used.
  • set screw 36 has a central blind bore which is open at the bottom 55, in which one end of the spring shaft 54 is rotatably attached.
  • a downwardly open, rectangular recess 56 is provided. On the edge of which is a protruding from the side wall 16 to the outside Bearing sleeve 57 set.
  • the bearing sleeve 57 has in the region of the side wall 16 on the three of the Side wall 16 facing sides of a rectangle a circumferential groove 58, in which the side wall 16 engages. In this way, the bearing sleeve 57 along the axis of rotation 53, perpendicular to this upwards and horizontally form-fitting. Above the recess 56 is in the Side wall 16 a bore 59 is provided.
  • One with the bearing sleeve 57 connected, up from this on the inside of the side wall 16 extending plate 60 has an outwardly projecting locking lug 61 on, which is in latching engagement with the bore 59 and the bearing sleeve 57 also sets down on the train opposite the seat support part 13.
  • the Bearing sleeve 57 has a conical shape from the side wall 16 to the outside tapering section 62 and an adjoining ring-cylindrical Section 63 on substantially constant diameter.
  • the rotary handle 25 is hollow and has a snap-on end Cover 64 closed.
  • a projecting pin 65 is provided, which on its free end has a radially outwardly projecting locking edge 66.
  • the pin 65 is rotatably mounted in the section 63, the Locking edges 66 with corresponding projections 67 on the inside of the Section 63 are engaged and pulling off the rotary handle 25th prevent outside.
  • a blind hole 68 is provided in the pin 65, in which the outer end 69 of the spring shaft 54 is rotatably fixed.
  • the axis of rotation 53 extends substantially perpendicular to the axis of rotation 52. However, it is also possible to turn the rotary handle 25 at a different angle lead out laterally from the seat support part 13. In any case, the Axis of rotation 53 not with axis of rotation 52. In the simplest case, the recess is 56 provided centrally below the adjusting screw 36 so that the Spring shaft is only deflected by 90 °. Other specifications, such as B. the Ease of use, the position of the handle 25 at another Longitudinal position under the seat 5, may make it necessary that the recess 56 is offset from the adjusting screw 36.
  • the flexible spring shaft 54 is capable of both offset as well as the redirection of the rotary movement from the horizontal to the To do vertical.
  • the adjustment can take place when a person is on sitting in the chair. This is particularly beneficial since the person while they are the hardness is adjusted, swivel movements can be carried out with the chair.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Hydrogenated Pyridines (AREA)

Claims (10)

  1. Chaise, en particulier chaise de bureau comprenant
    a) un piétement (1),
    b) un support de siège (4) soutenu au-dessus au moyen d'une colonne de chaise (3), qui présente une partie avant et une partie arrière du support de siège (12, 13) reliées entre elles au moyen d'un axe de basculement (20) agencé sensiblement horizontalement,
    c) un siège (5) soutenu sur les parties du support de siège (12, 13),
    d) un dossier (7) fixé sur la partie arrière du support de siège (13),
    e) un accumulateur de force (27) articulé sur les parties du support de siège (12, 13) à distance de leur axe de pivotement (20), réglable en longueur, pour le réglage réciproque du dossier (7) et du siège (5),
    f) une butée à ressort (34) logée de façon pivotante autour de l'axe de pivotement (20) pour l'amortissement réglable d'un mouvement basculant des parties du support de siège (12, 13) les unes par rapport aux autres,
    g) un élément de réglage s'étendant sensiblement de façon tangentielle à l'axe de basculement (20) et rotatif autour d'un axe de rotation d'élément de réglage (52) pour la variation de la prétension entre la butée à ressort (34) et une partie du support de siège (12) et
    h) une poignée tournante de commande (25) reliée à l'élément de réglage et pouvant tourner autour d'un axe de rotation de poignée tournante (53) pour la rotation à la main de l'élément de réglage,
    caractérisée en ce que
    i) la poignée tournante de commande (25) est reliée au moyen d'un élément de couplage à l'élément de réglage pour la transmission d'un mouvement de rotation,
    j) l'axe de rotation de l'élément de réglage (52) et l'axe de rotation de la poignée tournante (53) n'étant pas alignés entre eux.
  2. Chaise selon la revendication 1, caractérisée en ce que l'élément de couplage est conçu comme un arbre flexible.
  3. Chaise selon la revendication 1 ou 2, caractérisée en ce que l'élément de couplage est conçu comme un arbre à ressort (54).
  4. Chaise selon l'une quelconque des revendications précédentes, caractérisée en ce que la poignée de rotation de commande (25) est sortie de façon guidée sur le côté d'une partie du support de siège (13).
  5. Chaise selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément de réglage est conçu comme une vis de réglage (36).
  6. Chaise selon la revendication 5, caractérisée en ce que l'élément de couplage est fixé dans un évidement (55) de la vis de réglage (36).
  7. Chaise selon l'une quelconque des revendications précédentes, caractérisée en ce qu'il est prévu dans une partie du support de siège (13) une ouverture (56) latérale, par laquelle l'élément de couplage est guidé vers l'extérieur.
  8. Chaise selon l'une quelconque des revendications précédentes, caractérisée en ce que la poignée rotative de commande (25) est logée de façon rotative dans une douille de palier (57).
  9. Chaise selon la revendication 8, caractérisée en ce que la douille de palier (57) est fixée sur une partie du support de siège (13).
  10. Chaise selon la revendication 9, caractérisée en ce que la douille de palier (57) est fixée par un assemblage à encliquetage (59, 61).
EP02028829A 2002-01-08 2003-01-02 Chaise, notamment chaise de bureau Expired - Lifetime EP1325694B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200358A DE10200358A1 (de) 2002-01-08 2002-01-08 Stuhl, insbesondere ein Bürostuhl
DE10200358 2002-01-08

Publications (3)

Publication Number Publication Date
EP1325694A2 EP1325694A2 (fr) 2003-07-09
EP1325694A3 EP1325694A3 (fr) 2004-02-11
EP1325694B1 true EP1325694B1 (fr) 2004-10-27

Family

ID=7711629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02028829A Expired - Lifetime EP1325694B1 (fr) 2002-01-08 2003-01-02 Chaise, notamment chaise de bureau

Country Status (9)

Country Link
US (1) US6874853B2 (fr)
EP (1) EP1325694B1 (fr)
CN (1) CN1241510C (fr)
AT (1) ATE280522T1 (fr)
CA (1) CA2415743A1 (fr)
DE (2) DE10200358A1 (fr)
DK (1) DK1325694T3 (fr)
ES (1) ES2225721T3 (fr)
HK (1) HK1053960A1 (fr)

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
US7147285B2 (en) * 2004-01-20 2006-12-12 Tung Yu Oa Co., Ltd. Reclining apparatus for chair
HK1064859A2 (en) * 2004-06-21 2005-01-14 Yu Yeung Tin Synchronous coordinate system of back of chair.
US7293833B2 (en) * 2005-02-02 2007-11-13 Itoki Corporation Chair and support mechanism unit thereof
DE102006018951A1 (de) * 2006-04-24 2007-11-08 Sedus Stoll Ag Vorrichtung zur Lehnenbefestigung
WO2007127740A2 (fr) * 2006-04-24 2007-11-08 Humanscale Corporation Chaise offrant une résistance autoréglable au basculement
TW200950726A (en) * 2008-06-06 2009-12-16 Fon Chin Ind Co Ltd Front-and-back reciprocating, reclining, lifting and lowering apparatus for a chair back
DE102009038319B4 (de) 2009-08-21 2011-07-28 Dauphin Entwicklungs- u. Beteiligungs-GmbH, 91217 Stuhl
WO2011156667A1 (fr) * 2010-06-10 2011-12-15 Grand Rapids Controls Co., Llc Mât porteur doté d'une boîte à ressort mécanique
DE102010042923B3 (de) * 2010-10-26 2012-01-26 Dauphin Entwicklungs- U. Beteiligungs-Gmbh Stuhl, insbesondere Bürostuhl
IT1403471B1 (it) * 2010-12-03 2013-10-17 Imarc Spa Meccanismo per sedie da ufficio provvisto di dispositivo di regolazione della forza di oscillazione.
CN202160996U (zh) * 2011-07-04 2012-03-14 陈育成 一种结构改进的多功能底盘
US9504326B1 (en) 2012-04-10 2016-11-29 Humanscale Corporation Reclining chair
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
US9839296B2 (en) * 2013-07-07 2017-12-12 Bock 1 Gmbh & Co. Kg Mechanism for an office chair
CN103720230B (zh) * 2014-01-16 2016-03-30 陈敏 倾仰角调节方便的大班椅
NO339052B1 (no) * 2014-10-27 2016-11-07 Sykkylven Staal As Anordning ved sittemøbel
CN106690961B (zh) * 2016-12-19 2023-08-29 安吉富和家具有限公司 一种方便进行前后调节的座椅
US10383448B1 (en) 2018-03-28 2019-08-20 Haworth, Inc. Forward tilt assembly for chair seat

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Publication number Priority date Publication date Assignee Title
DE1812282C3 (de) 1968-12-03 1981-07-30 Fritz Bauer + Söhne oHG, 8503 Altdorf Hubvorrichtung zum stufenlosen Höhenverstellen von Tischplatten, Stuhlsitzen u.dgl.
CH514317A (de) 1969-06-19 1971-10-31 Bauer Fritz Hubvorrichtung zum stufenlosen Höherverstellen einer Tragfläche, insbesondere Sitzfläche von Stühlen oder Hockern
DE3509049A1 (de) * 1984-10-24 1986-04-24 Bürositzmöbelfabrik Friedrich-W. Dauphin GmbH & Co, 8561 Offenhausen Gasfederanordnung, insbesondere fuer das rueckenlehnentrageteil an buerostuehlen
EP0179185B1 (fr) 1984-10-24 1990-06-13 Bürositzmöbelfabrik Friedrich-W. Dauphin GmbH & Co. Chaise, notamment chaise de bureau
DE3509050A1 (de) 1984-10-24 1986-04-24 Bürositzmöbelfabrik Friedrich-W. Dauphin GmbH & Co, 8561 Offenhausen Betaetigungs-vorrichtung fuer den ausloesestoessel einer laengenverstellbaren gasfeder
DE4209049C2 (de) * 1992-03-20 1995-05-11 Kloeber Gmbh & Co Arbeitssessel mit flachbauender Synchronmechanik
DE9211244U1 (fr) * 1992-08-21 1992-10-29 Dauphin Friedrich W Gmbh
DE4324543C2 (de) * 1993-07-22 2003-06-26 Dauphin Friedrich W Gmbh Stuhl, insbesondere Bürostuhl
JP3136280B2 (ja) * 1997-04-28 2001-02-19 株式会社いのうえアソシエーツ 椅 子
DE10033418A1 (de) * 2000-07-08 2002-01-31 Dauphin Friedrich W Gmbh Stuhl, insbesondere Bürostuhl
US6588843B1 (en) * 2000-10-06 2003-07-08 Ghsp, Incorporated Chair control

Also Published As

Publication number Publication date
CN1432327A (zh) 2003-07-30
CA2415743A1 (fr) 2003-07-08
CN1241510C (zh) 2006-02-15
ES2225721T3 (es) 2005-03-16
HK1053960A1 (en) 2003-11-14
ATE280522T1 (de) 2004-11-15
DE50300122D1 (de) 2004-12-02
DK1325694T3 (da) 2005-01-24
EP1325694A2 (fr) 2003-07-09
EP1325694A3 (fr) 2004-02-11
US20030127897A1 (en) 2003-07-10
US6874853B2 (en) 2005-04-05
DE10200358A1 (de) 2003-07-17

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