CA949870A - Hinge iron for posture chair - Google Patents

Hinge iron for posture chair

Info

Publication number
CA949870A
CA949870A CA150,333A CA150333A CA949870A CA 949870 A CA949870 A CA 949870A CA 150333 A CA150333 A CA 150333A CA 949870 A CA949870 A CA 949870A
Authority
CA
Canada
Prior art keywords
posture chair
hinge iron
hinge
iron
chair
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
CA150,333A
Other versions
CA150333S (en
Inventor
Heinz Rothermel
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.)
Individual
Original Assignee
Individual
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
Priority to US00107025A priority Critical patent/US3709535A/en
Application filed by Individual filed Critical Individual
Priority to CA150,333A priority patent/CA949870A/en
Application granted granted Critical
Publication of CA949870A publication Critical patent/CA949870A/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
    • 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
    • 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
    • A47C7/402—Support for the head or the back for the back adjustable in height
    • 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
CA150,333A 1971-01-18 1972-08-28 Hinge iron for posture chair Expired CA949870A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US00107025A US3709535A (en) 1971-01-18 1971-01-18 Hinge iron for posture chair
CA150,333A CA949870A (en) 1971-01-18 1972-08-28 Hinge iron for posture chair

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00107025A US3709535A (en) 1971-01-18 1971-01-18 Hinge iron for posture chair
CA150,333A CA949870A (en) 1971-01-18 1972-08-28 Hinge iron for posture chair

Publications (1)

Publication Number Publication Date
CA949870A true CA949870A (en) 1974-06-25

Family

ID=49753698

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,333A Expired CA949870A (en) 1971-01-18 1972-08-28 Hinge iron for posture chair

Country Status (2)

Country Link
US (1) US3709535A (en)
CA (1) CA949870A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577807A (en) * 1994-06-09 1996-11-26 Steelcase Inc. Adjustable chair actuator
US5782536A (en) * 1995-02-17 1998-07-21 Steelcase Inc. Modular chair construction and method of assembly
US5775776A (en) * 1997-01-22 1998-07-07 Seating Specialities, Inc. Lock for seat backs
US6045189A (en) * 1998-09-10 2000-04-04 Schooler; Paul T. Seat back lock with pivoting locking member
US6220664B1 (en) * 1999-08-26 2001-04-24 Ming-Hao Lee Base structure for chair seat
US6619740B2 (en) * 2001-04-30 2003-09-16 Leggett & Platt, Ltd. Chair control mechanism
US6932431B2 (en) * 2003-06-13 2005-08-23 Hni Technologies Inc. Chair having novel tilt control mechanism
DE102006047398A1 (en) * 2006-10-06 2008-05-21 Lear Corporation, Southfield 2-in-1-operating lever
WO2022235515A1 (en) 2021-05-05 2022-11-10 Steelcase Inc. Body support assembly and methods for the use and assembly thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US590455A (en) * 1897-09-21 Enough
DE581679C (en) * 1933-08-01 Gerhard Bethke Backrest, especially for typewriter chairs
US1501181A (en) * 1922-04-24 1924-07-15 Bettcher Stamping & Mfg Compan Chair
US1681643A (en) * 1926-10-20 1928-08-21 Robert M Kimbro Adjustable seat back for automobiles
GB383407A (en) * 1931-11-10 1932-11-17 Tan Sad Chair Co 1931 Ltd An improved adjustable backrest or back support for a seat
US2093319A (en) * 1936-07-30 1937-09-14 Bassick Co Posture chair
GB927153A (en) * 1960-12-08 1963-05-29 Coop Wholesale Improvements in or relating to chairs
US3339973A (en) * 1966-01-05 1967-09-05 Doerner Products Co Ltd Torsion spring chair control
CA869337A (en) * 1969-09-23 1971-04-27 Doerner Products Co. Limited Chair control with support for the torsion spring

Also Published As

Publication number Publication date
US3709535A (en) 1973-01-09

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