CA2572396C - Office chair - Google Patents

Office chair Download PDF

Info

Publication number
CA2572396C
CA2572396C CA2572396A CA2572396A CA2572396C CA 2572396 C CA2572396 C CA 2572396C CA 2572396 A CA2572396 A CA 2572396A CA 2572396 A CA2572396 A CA 2572396A CA 2572396 C CA2572396 C CA 2572396C
Authority
CA
Canada
Prior art keywords
seat
backrest
chair
tilt
base
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 - Fee Related
Application number
CA2572396A
Other languages
English (en)
French (fr)
Other versions
CA2572396A1 (en
Inventor
Donald T. Chadwick
Arkady Golynsky
Robert A. Melhuish
Hendrik R. Van Hekken
Ron K. Watson
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.)
Knoll Inc
Original Assignee
Knoll 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 Knoll Inc filed Critical Knoll Inc
Priority to CA2739607A priority Critical patent/CA2739607C/en
Publication of CA2572396A1 publication Critical patent/CA2572396A1/en
Application granted granted Critical
Publication of CA2572396C publication Critical patent/CA2572396C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • A47C7/46—Supports for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile 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
    • A47C1/03255—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
    • 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
    • A47C31/003—Magnets
    • 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
    • A47C31/02—Upholstery attaching means
    • A47C31/023—Upholstery attaching means connecting upholstery to frames, e.g. by hooks, clips, snap fasteners, clamping means or the like
    • 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
    • A47C7/28—Seat parts with tensioned springs, e.g. of flat type
    • A47C7/282—Seat parts with tensioned springs, e.g. of flat type with mesh-like supports, e.g. elastomeric membranes

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
CA2572396A 2004-07-08 2005-07-08 Office chair Expired - Fee Related CA2572396C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2739607A CA2739607C (en) 2004-07-08 2005-07-08 Office chair

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58695104P 2004-07-08 2004-07-08
US60/586,951 2004-07-08
PCT/US2005/024213 WO2006014577A2 (en) 2004-07-08 2005-07-08 Office chair

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2739607A Division CA2739607C (en) 2004-07-08 2005-07-08 Office chair

Publications (2)

Publication Number Publication Date
CA2572396A1 CA2572396A1 (en) 2006-02-09
CA2572396C true CA2572396C (en) 2011-09-06

Family

ID=35787665

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2572396A Expired - Fee Related CA2572396C (en) 2004-07-08 2005-07-08 Office chair
CA2739607A Expired - Fee Related CA2739607C (en) 2004-07-08 2005-07-08 Office chair

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2739607A Expired - Fee Related CA2739607C (en) 2004-07-08 2005-07-08 Office chair

Country Status (10)

Country Link
US (2) US8480171B2 (enExample)
EP (1) EP1768516B1 (enExample)
JP (2) JP4828530B2 (enExample)
CN (2) CN101296636B (enExample)
AU (2) AU2005269849B2 (enExample)
CA (2) CA2572396C (enExample)
ES (1) ES2401424T3 (enExample)
NZ (2) NZ552467A (enExample)
SG (1) SG163586A1 (enExample)
WO (1) WO2006014577A2 (enExample)

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HK1142783A1 (en) 2010-12-17
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US7887131B2 (en) 2011-02-15
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CN101296636A (zh) 2008-10-29
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WO2006014577A2 (en) 2006-02-09
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US20060006715A1 (en) 2006-01-12
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US8480171B2 (en) 2013-07-09
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WO2006014577A3 (en) 2009-04-16

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