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CA944680A - Chair control - Google Patents

Chair control

Info

Publication number
CA944680A
CA944680A CA118,688A CA118688A CA944680A CA 944680 A CA944680 A CA 944680A CA 118688 A CA118688 A CA 118688A CA 944680 A CA944680 A CA 944680A
Authority
CA
Canada
Prior art keywords
chair control
chair
control
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
Application number
CA118,688A
Other versions
CA118688S (en
Inventor
Richard H. Wolters
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
Application granted granted Critical
Publication of CA944680A publication Critical patent/CA944680A/en
Expired 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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/025—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame
    • A47C3/026—Rocking chairs with seat, or seat and back-rest unit elastically or pivotally mounted in a rigid base frame with central column, e.g. rocking office chairs; Tilting chairs
    • 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
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/441—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with adjustable elasticity
    • 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
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Supports 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/44—Supports for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame
    • A47C7/445—Supports 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
    • A47C7/4454—Supports 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 of torsion type
CA118,688A 1970-09-25 1971-07-20 Chair control Expired CA944680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7544870A 1970-09-25 1970-09-25

Publications (1)

Publication Number Publication Date
CA944680A true CA944680A (en) 1974-04-02

Family

ID=22125824

Family Applications (1)

Application Number Title Priority Date Filing Date
CA118,688A Expired CA944680A (en) 1970-09-25 1971-07-20 Chair control

Country Status (2)

Country Link
US (1) US3662983A (en)
CA (1) CA944680A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906045A (en) * 1989-03-20 1990-03-06 The Shaw-Walker Company Chair control for a pedestal chair having a knee-tilt seat
PL2772156T3 (en) * 2013-02-27 2020-09-21 L&P Property Management Company Tilt mechanism for a chair and chair

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH406551A (en) * 1964-01-23 1966-01-31 Degen Hugo Swivel armchair
DE1292016B (en) * 1964-12-23 1969-04-03 Fritzmeier Rupert Vibration suspension for seats, especially motor vehicle seats

Also Published As

Publication number Publication date
US3662983A (en) 1972-05-16

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