JPS4921258A - - Google Patents

Info

Publication number
JPS4921258A
JPS4921258A JP48045633A JP4563373A JPS4921258A JP S4921258 A JPS4921258 A JP S4921258A JP 48045633 A JP48045633 A JP 48045633A JP 4563373 A JP4563373 A JP 4563373A JP S4921258 A JPS4921258 A JP S4921258A
Authority
JP
Japan
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.)
Pending
Application number
JP48045633A
Other languages
Japanese (ja)
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 filed Critical
Publication of JPS4921258A publication Critical patent/JPS4921258A/ja
Pending 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—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
    • A47C7/44—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
    • A47C7/4454—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 of torsion type

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Pivots And Pivotal Connections (AREA)
JP48045633A 1972-04-21 1973-04-21 Pending JPS4921258A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00246381A US3813073A (en) 1972-04-21 1972-04-21 Dual torsion bar chair control

Publications (1)

Publication Number Publication Date
JPS4921258A true JPS4921258A (fr) 1974-02-25

Family

ID=22930425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48045633A Pending JPS4921258A (fr) 1972-04-21 1973-04-21

Country Status (9)

Country Link
US (1) US3813073A (fr)
JP (1) JPS4921258A (fr)
AU (1) AU5343773A (fr)
BE (1) BE798524A (fr)
BR (1) BR7302851D0 (fr)
DE (1) DE2317388A1 (fr)
FR (1) FR2181415A5 (fr)
IT (1) IT981556B (fr)
NL (1) NL7305559A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50124062A (fr) * 1974-03-15 1975-09-29

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067610A (en) * 1976-05-10 1978-01-10 Hoover Ball And Bearing Co. Chair control mechanism
CA1109386A (fr) * 1978-03-29 1981-09-22 Eddie A.J. Large Support souple pour siege basculant
US4214726A (en) * 1978-11-06 1980-07-29 Steelcase, Inc. Chair control
US4344369A (en) * 1980-03-31 1982-08-17 Noord Andrew J Van Table with extensible top
US4438978A (en) * 1981-11-18 1984-03-27 Tor Arild Tilt back mechanism for a chair
AU588332B2 (en) * 1986-07-04 1989-09-14 Tachi-S Co., Ltd. Seat suspension device
US4718726A (en) * 1987-07-07 1988-01-12 Estkowski Michael H Chair seat tilt control
US4890810A (en) * 1988-04-14 1990-01-02 Tachi-S Co., Ltd. Seat suspension device
US4884777A (en) * 1988-07-29 1989-12-05 Tachi-S Co., Ltd. Seat suspension device
US5029940A (en) * 1990-01-16 1991-07-09 Westinghouse Electric Corporation Chair tilt and chair height control apparatus
IT1247369B (it) * 1991-03-01 1994-12-12 Loris Miotto Dispositivo meccanico, particolarmente per la movimentazione ed il bloccaggio selettivo di una seduta
NO324513B1 (no) * 2006-03-02 2007-11-05 Jurek Buchacz Vippefjaermekanisme for en stol, saerlig en kontor-eller arbeidsstol
CA2665176C (fr) * 2006-10-04 2016-01-19 Formway Furniture Limited Partie arriere pour une chaise a section superieure mobile
USD600051S1 (en) 2008-04-09 2009-09-15 Formway Furniture Limited Chair back
USD604535S1 (en) 2008-04-09 2009-11-24 Formway Furniture Limited Chair
US7841664B2 (en) * 2008-06-04 2010-11-30 Steelcase Inc. Chair with control system
CA131020S (en) 2008-12-12 2010-02-03 Formway Furniture Ltd Chair

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638148A (en) * 1947-07-30 1953-05-12 Goodrich Co B F Seat suspension
US2711211A (en) * 1952-04-16 1955-06-21 Tan Sad Chair Co 1931 Ltd Resiliently mounted back rest
CA869337A (en) * 1969-09-23 1971-04-27 Doerner Products Co. Limited Chair control with support for the torsion spring
US3659819A (en) * 1970-06-08 1972-05-02 Steelcase Inc Chair iron
US3740014A (en) * 1972-01-20 1973-06-19 Swenson Corp Adjustable seat assembly for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50124062A (fr) * 1974-03-15 1975-09-29

Also Published As

Publication number Publication date
BE798524A (fr) 1973-08-16
BR7302851D0 (pt) 1974-07-25
NL7305559A (fr) 1973-10-23
DE2317388A1 (de) 1973-11-08
AU5343773A (en) 1974-09-19
IT981556B (it) 1974-10-10
FR2181415A5 (fr) 1973-11-30
US3813073A (en) 1974-05-28

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