GB430517A - An improved backrest or support for a chair, seat, or the like - Google Patents

An improved backrest or support for a chair, seat, or the like

Info

Publication number
GB430517A
GB430517A GB3971/34A GB397134A GB430517A GB 430517 A GB430517 A GB 430517A GB 3971/34 A GB3971/34 A GB 3971/34A GB 397134 A GB397134 A GB 397134A GB 430517 A GB430517 A GB 430517A
Authority
GB
United Kingdom
Prior art keywords
link
seat
spindle
chair
arm
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
GB3971/34A
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.)
Tan Sad Chair Co 1931 Ltd
Original Assignee
Tan Sad Chair Co 1931 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 Tan Sad Chair Co 1931 Ltd filed Critical Tan Sad Chair Co 1931 Ltd
Priority to GB3971/34A priority Critical patent/GB430517A/en
Priority to US3921A priority patent/US2043433A/en
Publication of GB430517A publication Critical patent/GB430517A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining 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
    • A47C1/027Reclining 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/022Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024Reclining 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
    • A47C1/026Reclining 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 peg-and-notch or pawl-and-ratchet mechanism

Abstract

430,517. Seat adjustments. TAN-SAD CHAIR CO. (1931), Ltd., Foundry Lane, Birmingham, and GABB, A. H., 3, Western Road, Horfield Common, Bristol. Feb. 7, 1934, Nos. 3971 and 33178. [Class 52 (ii)] The back-rest of a chair is supported on an arm h which is adjustably supported by a link c, d pivoted to a fitting a below the rear of the seat, the link being provided with duplex serrated clamp mechanism adapted to be controlled simultaneously by a single hand screw j, one clamp securing the link in adjusted angular position on the seat fitting, and the other clamp securing the back-rest arm h relatively to the link. The seat frame is provided with two plate like extensions a; mounted between these is a U-shaped strap a<1> supporting a spindle b. The links c, d are mounted on this spindle, the link d being formed with serrations d<1>, d<2>, of which the former engage a serrated boss f secured to the part a by a strap f<1>, while the latter engage a serrated boss g secured to the backrest arm h and rotatably mounted between the links c, d on a spindle e. The clamps are operated through a pressure plate i by means of a hand screw on the spindle e.
GB3971/34A 1934-02-07 1934-02-07 An improved backrest or support for a chair, seat, or the like Expired GB430517A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3971/34A GB430517A (en) 1934-02-07 1934-02-07 An improved backrest or support for a chair, seat, or the like
US3921A US2043433A (en) 1934-02-07 1935-01-29 Back rest or support for a chair, seat, or the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3971/34A GB430517A (en) 1934-02-07 1934-02-07 An improved backrest or support for a chair, seat, or the like
GB3317834 1934-11-19

Publications (1)

Publication Number Publication Date
GB430517A true GB430517A (en) 1935-06-20

Family

ID=10896943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3971/34A Expired GB430517A (en) 1934-02-07 1934-02-07 An improved backrest or support for a chair, seat, or the like

Country Status (2)

Country Link
US (1) US2043433A (en)
GB (1) GB430517A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB857525A (en) * 1958-07-09 1960-12-29 Tan Sad Chair Co 1931 Ltd Improvements relating to adjustable back rests for seats
DE10033418A1 (en) * 2000-07-08 2002-01-31 Dauphin Friedrich W Gmbh Chair, especially office chair
US8517469B1 (en) 2012-09-06 2013-08-27 Aspen Seating, Llc Three-axis adjustable back support assembly and method

Also Published As

Publication number Publication date
US2043433A (en) 1936-06-09

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