EP1353584A1 - Stühle - Google Patents

Stühle

Info

Publication number
EP1353584A1
EP1353584A1 EP02734863A EP02734863A EP1353584A1 EP 1353584 A1 EP1353584 A1 EP 1353584A1 EP 02734863 A EP02734863 A EP 02734863A EP 02734863 A EP02734863 A EP 02734863A EP 1353584 A1 EP1353584 A1 EP 1353584A1
Authority
EP
European Patent Office
Prior art keywords
chair according
abutment member
chair
shaped
positionally adjustable
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
EP02734863A
Other languages
English (en)
French (fr)
Other versions
EP1353584B1 (de
Inventor
Simon Vincent Harby Roberts
Mark Grant Jones
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.)
SIMCLAR SEATING TECHNOLOGIES LIMITED
Original Assignee
Unit Press Ltd
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 Unit Press Ltd filed Critical Unit Press Ltd
Publication of EP1353584A1 publication Critical patent/EP1353584A1/de
Application granted granted Critical
Publication of EP1353584B1 publication Critical patent/EP1353584B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for 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
    • A47C1/03272—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest characterised by elastic means with coil 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
    • A47C1/03255—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

Definitions

  • This invention relates to a chair, such as an office chair, of the kind
  • the seat part can move relative to the base part, against a spring force
  • a known chair of this kind, as described in DE 4313301 C has a
  • the spring force is provided by a generally vertical spring
  • the seat part can tilt through an angle
  • the back part can tilt through an angle which
  • a desired adjusted position can be readily attained and maintained.
  • An object of the present invention is to enable an adjustment of
  • a base part a seat part mounted on the base part, and a back part
  • the seat part can move relative to the base part against a spring force
  • spring force is provided by a main spring means arranged to act in
  • the abutment member is
  • the shaped abutment surface may be generally curved or arcuate or of any
  • a roller or other contact structure may be provided at the said one
  • the abutment member comprises a link pivotally mounted on an intermediate member, the pivotal movement of the
  • the link may be pivotally mounted on the intermediate member by
  • the arrangement is such that a retention device is provided
  • a shaped cam member may be provided which is rotatable in
  • the cam member may have a cam surface which coacts with the
  • abutment member and the cam may be mounted on a spindle or other
  • a latch may be provided, e.g.
  • the abutment member may be linked
  • a spring means may be provided to return the movable member from an adjusted position to a pre-adjusted position
  • the said one end of the main spring means is a
  • the main spring means and/or supplementary spring means may
  • spring means such as a hydraulic or pneumatic ram or other kind
  • the seat part and the base part may have structures
  • the back part may be pivotally mounted on the base part and the
  • rearward links may be connected to the base part via the back part.
  • the main spring means may be connected to the base part via a
  • connection member which may comprise a pivotal arm.
  • the chair may be an office chair in which case the base part may be
  • seat part may support the usual seat cushion; and the back part may support the usual seat cushion
  • the invention also provides a mechanism, for the chair described
  • said abutment member being positionally adjustable for adjustment of
  • the variation in spring resistance is determined by the profile of the shaped
  • the mode or pattern of variation can be
  • the faceted snail cam can help prevent unwanted positional change
  • the chair mechanism varies due to a person sitting on the chair shifting his or her weight.
  • FIGS. 1 & 2 are schematic representations of two prior art chair
  • Figure 3 is a schematic representation of one form of a chair
  • Figure 4 is a schematic representation of an alternative form of
  • FIG. 5 is a more detailed top perspective view of the
  • FIGS. 6-9 are detailed side views of the mechanism of the chair of
  • FIGS. 10 & 1 1 are detailed side views of an alternative mechanism in
  • this shows an office chair having a seat part 1 ,
  • the base part 2 comprises a plate structure mounted at the top of a
  • the seat part 1 comprises a frame structure which supports a padded seat cushion.
  • the back part 3 comprises a rigid L-shaped member having a lower
  • the base part 2 has a forward extension with a pivot axle 7 fixed
  • Two spaced apart side-by-side link arms 8 have rearward ends which
  • the frame structure of the seat part has rigidly fixed depending links
  • the lower ends of the forward links 1 1 are pivotally connected to the
  • rollers 8a have mounted thereon rollers 8a and these engage respective
  • the movable members 13 are generally segmental shaped solid
  • rollers 8a ride on these surfaces and are held
  • Two cams 1 5 are mounted on a spindle 15a rotatable about a
  • the cams have shaped 'snail' surfaces which press against rear sides of the cams
  • the movable members are asymmetric as shown so
  • a latch plate is movable into engagement with the spindle 15a to lock
  • the spindle 15a projects outwardly at one side through an arcuate
  • seat cushion causes this to move backwards with the rear end tilting down
  • the spring force of the springs 10 depends on the length and line of
  • the proportion and dispositions of the members can be adjusted by
  • members 13 can be changed by substituting different members 13.
  • Figures 6 & 8 show forward positions at low and high tension
  • the end of the cam spindle 15a projects at a convenient position
  • the main part of the mechanism namely the base plate 2, springs 10,
  • link arms 8, box structure 5 and associated components can be made as a
  • compression spring (not shown) is provided beneath the arm 17 between
  • a curved toothed rack 18 engageable with a pawl is provided
  • rollers 8a are
  • FIGS 10 and 1 1 show an alternative embodiment wherein the
  • the links 21 move through arcs pivoting about their contact points
  • Figures 10 & 1 1 show respectively low and high tension
  • the arc profiles can be changed by changing the links 21 .
  • the links 21 provide a simpler
  • rollers 8a are used
  • rollers 8a or spindle may be used for both.
EP02734863A 2001-01-06 2002-01-07 Stühle Expired - Lifetime EP1353584B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0100388.8A GB0100388D0 (en) 2001-01-06 2001-01-06 Chairs
GB0100388 2001-01-06
PCT/GB2002/000041 WO2002058514A1 (en) 2001-01-06 2002-01-07 Chairs

Publications (2)

Publication Number Publication Date
EP1353584A1 true EP1353584A1 (de) 2003-10-22
EP1353584B1 EP1353584B1 (de) 2007-08-15

Family

ID=9906386

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02734863A Expired - Lifetime EP1353584B1 (de) 2001-01-06 2002-01-07 Stühle

Country Status (6)

Country Link
EP (1) EP1353584B1 (de)
AT (1) ATE369769T1 (de)
CA (1) CA2472046C (de)
DE (1) DE60221793T2 (de)
GB (2) GB0100388D0 (de)
WO (1) WO2002058514A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8833856B2 (en) 2009-02-17 2014-09-16 Steelcase Inc. Seating furniture, more especially office swivel chair
EP2886015A1 (de) * 2013-12-17 2015-06-24 Donati S.p.A. Stuhl mit anpassbarer Rückenlehne
US9072383B2 (en) 2012-08-16 2015-07-07 L&P Property Management Company Modular chair mechanism with self-weighing

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10331494B4 (de) * 2003-07-11 2007-06-14 Völkle Bürostühle GmbH Stuhl
ITMI20050116U1 (it) * 2005-04-06 2006-10-07 Donati Spa Meccanismo di sincronizzazione per sedie o poltrone
ITVE20050027A1 (it) 2005-04-28 2006-10-29 Imarc Spa Dispositivo di regolazione della forza di oscillazione in meccanismi per sedie da ufficio.
JP5347142B2 (ja) * 2008-01-16 2013-11-20 コクヨ株式会社 椅子
GB0806958D0 (en) * 2008-04-17 2008-05-21 Simclar Seating Technologies L Chair back tilt tensioning
WO2009147869A1 (ja) * 2008-06-05 2009-12-10 株式会社内田洋行 背もたれの傾動可能な椅子
WO2010103554A1 (en) * 2009-03-10 2010-09-16 Effe Tre S.R.L. Support device of a chair with tilting backrest
CA2837363C (en) * 2011-07-01 2016-06-14 L&P Property Management Company Tilt mechanism for a chair and chair
US10194750B2 (en) 2015-04-13 2019-02-05 Steelcase Inc. Seating arrangement
AU2016247797B2 (en) 2015-04-13 2019-08-01 Steelcase Inc. Seating arrangement
US11259637B2 (en) 2015-04-13 2022-03-01 Steelcase Inc. Seating arrangement
WO2020172243A1 (en) 2019-02-21 2020-08-27 Steelcase Inc. Body support assembly and methods for the use and assembly thereof
US11357329B2 (en) 2019-12-13 2022-06-14 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3537203A1 (de) * 1984-10-24 1986-04-24 Klöber GmbH & Co, 7770 Überlingen Arbeitsstuhl mit neigungsmechanik von sitzschale und rueckenlehne
DE3700447A1 (de) * 1987-01-09 1988-07-21 Vogt Bueromoebel Sitzmoebel
DE4313301C2 (de) 1993-04-23 1995-12-21 Simon Desanta Stuhl
DE19823632C1 (de) * 1998-05-27 1999-09-30 Roeder Peter Stuhl, insbesondere Bürostuhl

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02058514A1 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8833856B2 (en) 2009-02-17 2014-09-16 Steelcase Inc. Seating furniture, more especially office swivel chair
US9072383B2 (en) 2012-08-16 2015-07-07 L&P Property Management Company Modular chair mechanism with self-weighing
EP2886015A1 (de) * 2013-12-17 2015-06-24 Donati S.p.A. Stuhl mit anpassbarer Rückenlehne
WO2015091199A1 (en) * 2013-12-17 2015-06-25 Donati S.P.A. Chair with adjustable backrest
US10098466B2 (en) 2013-12-17 2018-10-16 Donati S.P.A. Chair with adjustable backrest

Also Published As

Publication number Publication date
DE60221793D1 (de) 2007-09-27
GB2389522A (en) 2003-12-17
CA2472046A1 (en) 2002-08-01
GB2389522B (en) 2004-12-08
ATE369769T1 (de) 2007-09-15
DE60221793T2 (de) 2008-06-05
CA2472046C (en) 2010-04-06
GB0100388D0 (en) 2001-02-14
GB0318258D0 (en) 2003-09-10
WO2002058514A1 (en) 2002-08-01
EP1353584B1 (de) 2007-08-15

Similar Documents

Publication Publication Date Title
JP4141050B2 (ja) 椅子、特にオフィス用椅子
CA2472046C (en) Chairs
CA2260728C (en) Mechanism for chair
US4861106A (en) Seat for an office chair or the like, with seat and back adjustable, especially by body weight displacement
EP0614633B1 (de) Verstellbare Rückenlehne für einen Stuhl
RU2437605C2 (ru) Кресло с качающейся спинкой
JP2004518507A (ja) 椅子、とくに事務椅子
US6685267B1 (en) Chair and synchrotilt chair mechanism
EP0721752B1 (de) Vorrichtung für einen neigungsverstellbaren Stuhl
US20070057552A1 (en) Tension adjustment mechanism for a chair
US7823976B2 (en) Chair
WO1996011610A1 (en) Arrangement in an adjustable chair
JP2000502278A (ja) 椅子、特に事務用椅子
EP2150154B1 (de) Sitz mit dynamischer rückenlehne
US5263767A (en) Adjustable chair
EP1579787A1 (de) Stuhl mit automatischer Neigungsverstellung der Rückenlehne.
KR102349577B1 (ko) 의자 시트 각도조절장치
JP3998222B2 (ja) 椅子の支持機構
JP3299699B2 (ja) 椅 子
JP2001046172A (ja) 椅 子
JP2797273B2 (ja) 背もたれ付き椅子
EP4335324A1 (de) Neigemechanismus für einen stuhl
JPH052122Y2 (de)
CN116473377A (zh) 一种跪坐椅的状态切换方法
PL239894B1 (pl) Krzesło z oparciem

Legal Events

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

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20030804

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: UP MEX LIMITED

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIMCLAR SEATING TECHNOLOGIES LIMITED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60221793

Country of ref document: DE

Date of ref document: 20070927

Kind code of ref document: P

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071126

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

Ref country code: CH

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

EN Fr: translation not filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071116

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080115

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20071115

26N No opposition filed

Effective date: 20080516

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20100128

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20070815

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20100326

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20080131

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20110107

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110107

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60221793

Country of ref document: DE

Effective date: 20110802

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20080411

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110802