CA869337A - Chair control with support for the torsion spring - Google Patents

Chair control with support for the torsion spring

Info

Publication number
CA869337A
CA869337A CA869337A CA869337DA CA869337A CA 869337 A CA869337 A CA 869337A CA 869337 A CA869337 A CA 869337A CA 869337D A CA869337D A CA 869337DA CA 869337 A CA869337 A CA 869337A
Authority
CA
Canada
Prior art keywords
support
torsion spring
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
CA869337A
Other languages
English (en)
Inventor
T. Doerner Joseph
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.)
Doerner Products Co Ltd
Original Assignee
Doerner Products Co 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 Doerner Products Co Ltd filed Critical Doerner Products Co Ltd
Priority claimed from DE19691957493 external-priority patent/DE1957493C3/de
Application granted granted Critical
Publication of CA869337A publication Critical patent/CA869337A/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/027—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of clamps or friction locking members
    • 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
    • A47C7/441—Support 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—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
    • A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil 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
    • A47C7/443—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs
    • A47C7/444—Support for the head or the back for the back with elastically-mounted back-rest or backrest-seat unit in the base frame with coil springs of torsion type

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
CA869337A 1969-09-23 1969-09-23 Chair control with support for the torsion spring Expired CA869337A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CA62731 1969-09-23
GB47186/69A GB1256388A (en) 1969-09-23 1969-09-25 Improvements in or relating to chairs
NL6914969.A NL155445B (nl) 1969-09-23 1969-10-03 Stoel.
FR6935244A FR2064690A5 (fi) 1969-09-23 1969-10-15
DE19691957493 DE1957493C3 (de) 1969-11-15 Kippvorrichtung für Stuhllehnen und Stuhlsitze

Publications (1)

Publication Number Publication Date
CA869337A true CA869337A (en) 1971-04-27

Family

ID=50680227

Family Applications (1)

Application Number Title Priority Date Filing Date
CA869337A Expired CA869337A (en) 1969-09-23 1969-09-23 Chair control with support for the torsion spring

Country Status (5)

Country Link
US (1) US3601444A (fi)
CA (1) CA869337A (fi)
FR (1) FR2064690A5 (fi)
GB (1) GB1256388A (fi)
NL (1) NL155445B (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271600A1 (en) * 1986-12-19 1988-06-22 C.O.M. Cooperativa Operai Mobilieri S.C.R.L. An adjustable chair
US4792187A (en) * 1986-06-07 1988-12-20 Simon Desanta Pivot mechanism for seats

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709535A (en) * 1971-01-18 1973-01-09 H Rothermel Hinge iron for posture chair
US3813073A (en) * 1972-04-21 1974-05-28 Steelcase Inc Dual torsion bar chair control
DE7501178U (fi) * 1974-01-18 1976-06-10 6331 Leun
US4067610A (en) * 1976-05-10 1978-01-10 Hoover Ball And Bearing Co. Chair control mechanism
US4101166A (en) * 1977-07-07 1978-07-18 Gf Business Equipment, Inc. Chair control mechanism
GB2142231A (en) * 1983-06-28 1985-01-16 Parker & Co A A forward tilting chair
US4712835A (en) * 1985-01-12 1987-12-15 Voelkle Rolf Chair with seal spring mechanism
DE3930361C2 (de) * 1989-09-12 1993-11-04 Simon Desanta Stuhl, insbesondere buerostuhl
IT227805Y1 (it) * 1992-03-09 1998-01-21 Pro Cord Srl Piastra per il collegamento di sedile, schienale e piedi, specialmente per sedile
CA2089694A1 (en) * 1992-07-23 1994-01-24 Faultless-Doerner Manufacturing Inc. Unitary spring for biasing a chair seat back support mechanism against a seat tilt mechanism
US5356200A (en) * 1992-10-23 1994-10-18 Doerner Products Ltd. Unitary brake for a chair tilt mechanism
US5782536A (en) * 1995-02-17 1998-07-21 Steelcase Inc. Modular chair construction and method of assembly
US5951109A (en) * 1997-04-30 1999-09-14 Haworth, Inc. Chairback with side torsional movement
US6059363A (en) * 1997-04-30 2000-05-09 Haworth, Inc. Chairback with side torsional movement
US6220664B1 (en) * 1999-08-26 2001-04-24 Ming-Hao Lee Base structure for chair seat
US6659554B2 (en) * 2002-02-01 2003-12-09 Wen-Fa Su Adjustment device of a chair backrest
DE202006000491U1 (de) * 2006-01-12 2006-04-20 Bock 1 Gmbh & Co. Kg Permanentkontaktmechanik
NO324513B1 (no) * 2006-03-02 2007-11-05 Jurek Buchacz Vippefjaermekanisme for en stol, saerlig en kontor-eller arbeidsstol
TW200950726A (en) * 2008-06-06 2009-12-16 Fon Chin Ind Co Ltd Front-and-back reciprocating, reclining, lifting and lowering apparatus for a chair back
US8348341B2 (en) * 2010-09-21 2013-01-08 Yun-Chien Hsiao Chair assembly with a backrest-adjusting device
US9241573B1 (en) * 2014-10-22 2016-01-26 Zhongshan Shi Songlin Furniture Co., Ltd. Resilient-support adjusting device of chair backrest

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202630A (en) * 1938-05-23 1940-05-28 Mary Hauber Chair
US3339973A (en) * 1966-01-05 1967-09-05 Doerner Products Co Ltd Torsion spring chair control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4792187A (en) * 1986-06-07 1988-12-20 Simon Desanta Pivot mechanism for seats
EP0271600A1 (en) * 1986-12-19 1988-06-22 C.O.M. Cooperativa Operai Mobilieri S.C.R.L. An adjustable chair

Also Published As

Publication number Publication date
NL6914969A (fi) 1971-04-06
US3601444A (en) 1971-08-24
NL155445B (nl) 1978-01-16
DE1957493B2 (de) 1977-03-31
DE1957493A1 (de) 1971-05-27
GB1256388A (en) 1971-12-08
FR2064690A5 (fi) 1971-07-23

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