DE69830610D1 - Synchronstuhl mit verstellbarem sitz und rückenlehne - Google Patents

Synchronstuhl mit verstellbarem sitz und rückenlehne

Info

Publication number
DE69830610D1
DE69830610D1 DE69830610T DE69830610T DE69830610D1 DE 69830610 D1 DE69830610 D1 DE 69830610D1 DE 69830610 T DE69830610 T DE 69830610T DE 69830610 T DE69830610 T DE 69830610T DE 69830610 D1 DE69830610 D1 DE 69830610D1
Authority
DE
Germany
Prior art keywords
seat
back frame
frame
chair
pivoted
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
DE69830610T
Other languages
English (en)
Other versions
DE69830610T2 (de
Inventor
R Heidmann
Larry Dekraker
J Battey
A Knoblock
R Johnson
M Scheper
B Dammermann
A Ekdahl
J Klaasen
A Perkins
J Peterson
H Punches
P Roossien
S Teppo
J Yancharas
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.)
Steelcase Inc
Original Assignee
Steelcase Inc
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 Steelcase Inc filed Critical Steelcase Inc
Publication of DE69830610D1 publication Critical patent/DE69830610D1/de
Application granted granted Critical
Publication of DE69830610T2 publication Critical patent/DE69830610T2/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts
    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03233—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of a rack-and-pinion or like gearing mechanism
    • 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
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03238—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
    • 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
    • A47C1/03272—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
    • A47C1/03261—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
    • A47C1/03274—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 of torsion type
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • 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
    • A47C7/02—Seat parts
    • A47C7/24—Upholstered seats
    • 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
    • A47C7/44—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with bar or leaf springs
    • 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
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S297/00—Chairs and seats
    • Y10S297/02—Molded
DE69830610T 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem sitz und rückenlehne Expired - Lifetime DE69830610T2 (de)

Applications Claiming Priority (18)

Application Number Priority Date Filing Date Title
US957604 1992-10-06
US957473 1997-10-24
US08/957,473 US5975634A (en) 1997-10-24 1997-10-24 Chair including novel back construction
US957506 1997-10-24
US957561 1997-10-24
US08/957,506 US6086153A (en) 1997-10-24 1997-10-24 Chair with reclineable back and adjustable energy mechanism
US957548 1997-10-24
US08/957,604 US5979984A (en) 1997-10-24 1997-10-24 Synchrotilt chair with forwardly movable seat
US08/957,548 US5909923A (en) 1997-10-24 1997-10-24 Chair with novel pivot mounts and method of assembly
US08/957,561 US5871258A (en) 1997-10-24 1997-10-24 Chair with novel seat construction
PCT/US1998/022047 WO1999021456A1 (en) 1997-10-24 1998-10-19 Synchrotilt chair with adjustable seat, back and energy mechanism
US09/386,668 US6116695A (en) 1997-10-24 1999-08-31 Chair control having an adjustable energy mechanism
US09/491,975 US6367877B1 (en) 1997-10-24 2000-01-27 Back for seating unit
US09/694,041 US6349992B1 (en) 1997-10-24 2000-10-20 Seating unit including novel back construction
US09/921,059 US6460928B2 (en) 1997-10-24 2001-08-02 Seating unit including novel back construction
US10/214,543 US6749261B2 (en) 1997-10-24 2002-08-08 Seating unit including novel back construction
US10/376,535 US6905171B2 (en) 1997-10-24 2003-02-28 Seating unit including novel back construction
US10/439,409 US6817668B2 (en) 1997-10-24 2003-05-16 Seating unit with variable back stop and seat bias

Publications (2)

Publication Number Publication Date
DE69830610D1 true DE69830610D1 (de) 2005-07-21
DE69830610T2 DE69830610T2 (de) 2006-05-11

Family

ID=42289776

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69836596T Expired - Lifetime DE69836596T2 (de) 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem Sitz und verstellbarer Rückenlehne
DE69738088T Expired - Lifetime DE69738088T2 (de) 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem Sitz und Rückenlehne
DE69830610T Expired - Lifetime DE69830610T2 (de) 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem sitz und rückenlehne

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69836596T Expired - Lifetime DE69836596T2 (de) 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem Sitz und verstellbarer Rückenlehne
DE69738088T Expired - Lifetime DE69738088T2 (de) 1997-10-24 1998-10-19 Synchronstuhl mit verstellbarem Sitz und Rückenlehne

Country Status (14)

Country Link
US (24) US5979984A (de)
EP (5) EP1384423B1 (de)
JP (2) JP4104286B2 (de)
CN (2) CN1144555C (de)
AT (3) ATE297672T1 (de)
AU (3) AU750107B2 (de)
BR (1) BR9813119A (de)
CA (2) CA2663687C (de)
DE (3) DE69836596T2 (de)
ES (3) ES2290401T3 (de)
HK (2) HK1061959A1 (de)
IL (1) IL135529A (de)
TW (1) TW483741B (de)
WO (1) WO1999021456A1 (de)

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US5975634A (en) 1999-11-02
US6349992B1 (en) 2002-02-26
US6749261B2 (en) 2004-06-15
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US6116695A (en) 2000-09-12
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US20010043003A1 (en) 2001-11-22
US20030193227A1 (en) 2003-10-16
US7040711B2 (en) 2006-05-09
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US6460928B2 (en) 2002-10-08
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US6318800B1 (en) 2001-11-20
US20050127729A1 (en) 2005-06-16
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US6367877B1 (en) 2002-04-09
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US20090001793A1 (en) 2009-01-01
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US20050179292A1 (en) 2005-08-18
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US5871258A (en) 1999-02-16
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