EP0510348A1 - Stuhl, insbesondere Bürostuhl - Google Patents

Stuhl, insbesondere Bürostuhl Download PDF

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Publication number
EP0510348A1
EP0510348A1 EP92104432A EP92104432A EP0510348A1 EP 0510348 A1 EP0510348 A1 EP 0510348A1 EP 92104432 A EP92104432 A EP 92104432A EP 92104432 A EP92104432 A EP 92104432A EP 0510348 A1 EP0510348 A1 EP 0510348A1
Authority
EP
European Patent Office
Prior art keywords
chair
seat support
backrest
support
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.)
Withdrawn
Application number
EP92104432A
Other languages
German (de)
English (en)
French (fr)
Inventor
Friedrich Wilhelm 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.)
Dauphin Entwicklungs und Beteiligungs GmbH
Original Assignee
Friedrich Wdauphin & Co Entwicklungs und Beteiligungs-Kg GmbH
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 Wdauphin & Co Entwicklungs und Beteiligungs-Kg GmbH, Friedrich W Dauphin GmbH and Co, Dauphin Entwicklungs und Beteiligungs GmbH filed Critical Friedrich Wdauphin & Co Entwicklungs und Beteiligungs-Kg GmbH
Publication of EP0510348A1 publication Critical patent/EP0510348A1/de
Withdrawn legal-status Critical Current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
    • A47C7/42—Support for the head or the back for the back of detachable or loose type
    • 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
    • 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
    • A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32467—Telescoping members
    • Y10T403/32475—Telescoping members having detent
    • Y10T403/32501—Cam or wedge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32532—Clamped members

Definitions

  • the invention relates to a chair according to the preamble of claim 1.
  • the backrest In chairs of this type, the backrest, among other things, is therefore detachably connected to the seat support, so that the chair can be packed very compactly overall for storage and shipping.
  • the subsequent final assembly for the user should also be able to be carried out very quickly and reliably by untrained personnel.
  • the connection between the backrest and seat support should be firm and secure and be structurally simple and inexpensive to manufacture.
  • the invention is therefore based on the object of designing a chair of the generic type such that the connection of the backrest to the seat support is structurally simple and very quick to produce or to solve.
  • the backrest support is only inserted into the receiving sleeve of the clamping device, which is then clamped together.
  • the development according to claim 2 enables a very simple assembly, in particular together with the measures according to claim 3, since this can ensure that the backrest support reliably comes to a predetermined height when inserted into the receiving sleeve, so that the height of the backrest itself to the seat support and thus to the seat in a predetermined area.
  • 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 detachably fastened, on which a seat part 5 is attached, which is provided with a seat cushion 6.
  • the height of the chair column 3 is carried out by means of an operating lever 7 mounted in the seat support 4.
  • a further operating lever 9 is mounted on the seat support 4.
  • the seat support 4 can be partially or largely covered by a panel 10 attached to the underside of the seat part 5.
  • the chair is provided with armrests 11, which are attached on the one hand in the area of the front of the seat part 5 and on the other hand in the central height area of the backrest 8.
  • the seat bracket 4 is divided. It consists of a front seat support part 12 and a rear seat support part 13.
  • the two seat support parts 12, 13, which are designed as C-profiles, are connected to one another by a pivot axis 14 located adjacent to their upper side.
  • a front seat bracket 15 pivotally mounted about a pivot axis 16 parallel to the pivot axis 14.
  • a rigid seat plate 17, which forms the core of the seat part 5 is elastically supported and fastened.
  • it is also elastically supported and fastened on a rear seat holder 18.
  • a length-adjustable energy store in the form of a length-adjustable gas spring 19 is articulated about a pivot axis 20 which runs parallel to the pivot axes 14, 16.
  • This pivot axis 20 faces the housing 21 of the gas spring 19, from the other end of which a piston rod 22 is led out.
  • An actuating pin 23 protrudes from this piston rod 22, by means of which a valve located in the gas spring 19 can be actuated for length adjustment.
  • the piston rod 22 is connected by a thread to an actuating device 24, to which the operating lever 9 belongs.
  • a bearing block 25 is arranged, in which a downwardly widening and downwardly open conical sleeve 26 is formed.
  • the chair column 3 is detachably fastened in this cone sleeve 26.
  • the operating lever 7 is arranged above the bearing block 25.
  • the front and rear seat support parts 12 and 13 are pivoted relative to one another about the pivot axis 14, the front seat support part 12 not changing its position due to the rigid - albeit detachable - connection to the chair column 3, i.e. the rear seat support part 13 is changed in its inclination. This simultaneously changes the inclination of the seat plate 17 of the seat part 5.
  • 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 The pivoting possibility described is known, for example, from EP 0 179 185 B1 (corresponding to US Pat. No. 4,966,412).
  • the structure and arrangement of the actuating device 24 and the gas spring 19 are known from EP 0 179 216 A1 (corresponding to US Pat. No. 4,662,680).
  • the backrest 8 has a support plate 27 which serves as a carrier for a backrest padding 28.
  • a backrest support 29 is fastened by means of a flange plate 30 fixedly attached to its upper end by means of screws 31.
  • the backrest support 29 is a hollow section bar with a rectangular cross-section, i.e. it is formed by a rectangular box profile, as can be seen in particular from FIG. 4.
  • a clamping device 32 is attached to the rear end of the rear seat support part 13. It consists of an upwardly open receiving sleeve 33 welded to the rear end of the rear seat support part 13 with an approximately C-shaped cross section, as can be seen in FIG. 4.
  • the receiving sleeve 33 has on its side facing the rear seat support part 13 an opening 34 which does not extend over the full width of the receiving sleeve 33, so that as can be seen in FIG. is held transversely to its longitudinal axis 35.
  • holding flanges 36 extend from the receiving sleeve 33 to the rear area of the rear seat support part 13, which - as can be seen in FIG.
  • the side walls 37, 38 are open at least in the area between the receiving sleeve 33 and the rear seat bracket 18 which extends to the side in the form of a supporting arm.
  • the backrest support 29 has in the region of its lower end a conical section 40 which tapers conically towards the end.
  • the receiving sleeve 33 is conically tapered from top to bottom over its entire axial extent, the taper angle of this taper being exactly adapted to the cone section 40.
  • the Receiving sleeve 33 has - also in its lower region - a receiving section 41 which is exactly adapted in cross section to the conical section 40 of the backrest support 29.
  • the production can be done for example by means of a mandrel.
  • This configuration ensures that the backrest support 29 comes exactly in a predetermined height to the seat support 4 when inserted into the receiving sleeve 33, so that the height of the backrest 8 relative to the seat support 4 is always the same for each chair and corresponds reproducibly to design specifications.
  • a clamping screw 42 is provided which runs parallel to the pivot axis 20 and is arranged below it.
  • This clamping screw 42 passes through the holding flanges 36 and the associated areas of the side walls 37, 38.
  • the support plate 27 with the backrest padding 28 extends below the clamping device 32 so that it cannot be seen from the rear.
  • the backrest upholstery can also extend up to the side facing the seat part 5 extend near the rear end of the rear seat support member 13 so as to cover the backrest support 29. For reasons of clarity in the drawing, the upholstery in this area is not shown in FIG. 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP92104432A 1991-04-20 1992-03-14 Stuhl, insbesondere Bürostuhl Withdrawn EP0510348A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9104854U 1991-04-20
DE9104854U DE9104854U1 (de) 1991-04-20 1991-04-20 Stuhl, insbesondere Bürostuhl

Publications (1)

Publication Number Publication Date
EP0510348A1 true EP0510348A1 (de) 1992-10-28

Family

ID=6866519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92104432A Withdrawn EP0510348A1 (de) 1991-04-20 1992-03-14 Stuhl, insbesondere Bürostuhl

Country Status (4)

Country Link
US (1) US5295731A (no)
EP (1) EP0510348A1 (no)
DE (1) DE9104854U1 (no)
NO (1) NO921347L (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2596820Y2 (ja) * 1993-07-27 1999-06-21 株式会社内田洋行 椅 子
ES2085178T3 (es) * 1994-08-12 1996-05-16 Steelcase Strafor Sa Nueva estructura para asientos de oficina.
DE29714809U1 (de) * 1997-08-19 1997-11-06 SIFA Sitzfabrik GmbH, 92237 Sulzbach-Rosenberg Sitzträger für Drehstühle
US6250715B1 (en) 1998-01-21 2001-06-26 Herman Miller, Inc. Chair
US6209963B1 (en) 1999-05-06 2001-04-03 Miotto International, Inc. Variable configuration mounting arrangement for a chair back support member
GB9917307D0 (en) * 1999-07-23 1999-09-22 Sec Dep Of The Home Department Improvements in and relating to analysis of DNA
DE10033418A1 (de) * 2000-07-08 2002-01-31 Dauphin Friedrich W Gmbh Stuhl, insbesondere Bürostuhl
CA2330073A1 (en) 2001-01-04 2002-07-04 Silhouet-Tone Ltee Clamping device for controlling rotation of a chair about a support shaft of a base frame
US6568760B2 (en) * 2001-06-15 2003-05-27 Hon Technology Inc. Chair of modular construction
US6869142B2 (en) * 2002-09-12 2005-03-22 Steelcase Development Corporation Seating unit having motion control
US7147285B2 (en) * 2004-01-20 2006-12-12 Tung Yu Oa Co., Ltd. Reclining apparatus for chair
CA2600308C (en) * 2005-03-01 2013-11-26 Haworth, Inc. Chair back
CN102772051B (zh) 2007-01-29 2016-05-18 赫尔曼米勒有限公司 座位结构及其使用方法
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
IT201700112144A1 (it) * 2017-10-06 2019-04-06 Co Fe Mo Ind S R L Sistema di oscillazione per sedie
US11589678B2 (en) 2019-01-17 2023-02-28 Hni Technologies Inc. Chairs including flexible frames
WO2020255195A1 (ja) * 2019-06-17 2020-12-24 株式会社クオリ 傾動椅子

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1938226A (en) * 1930-07-31 1933-12-05 Artility Metal Products Inc Chair
CH313739A (de) * 1953-04-16 1956-05-15 Embru Werke Mantel Hess Hofman Stuhl
FR1280938A (fr) * 1961-01-07 1962-01-08 Helfenstein & Bucher Ero Stahl Fauteuil rotatif

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB155059A (en) * 1919-09-24 1920-12-16 Samuel George Banton Improvements in seats for use on vehicles
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
DE3509050A1 (de) * 1984-10-24 1986-04-24 Bürositzmöbelfabrik Friedrich-W. Dauphin GmbH & Co, 8561 Offenhausen Betaetigungs-vorrichtung fuer den ausloesestoessel einer laengenverstellbaren gasfeder
DE3578114D1 (de) * 1984-10-24 1990-07-19 Buerositzmoebelfabrik Friedric Stuhl, insbesondere buerostuhl.
US4921303A (en) * 1988-05-27 1990-05-01 White Terrance F Studio stool
US4890888A (en) * 1988-09-12 1990-01-02 Ford Motor Company Seat back attachment
US4854641A (en) * 1989-01-23 1989-08-08 Reineman Richard G Adjustable chair
US5135284A (en) * 1991-01-09 1992-08-04 Leggett & Platt, Incorporated Knock-down chair back bracket

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1938226A (en) * 1930-07-31 1933-12-05 Artility Metal Products Inc Chair
CH313739A (de) * 1953-04-16 1956-05-15 Embru Werke Mantel Hess Hofman Stuhl
FR1280938A (fr) * 1961-01-07 1962-01-08 Helfenstein & Bucher Ero Stahl Fauteuil rotatif

Also Published As

Publication number Publication date
DE9104854U1 (de) 1991-06-06
NO921347L (no) 1992-10-21
US5295731A (en) 1994-03-22
NO921347D0 (no) 1992-04-07

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19940822

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Owner name: DAUPHIN ENTWICKLUNGS- U. BETEILIGUNGS-GMBH

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Effective date: 19950103