FR1347636A - Improvements to the seats, especially those of the articulated type - Google Patents

Improvements to the seats, especially those of the articulated type

Info

Publication number
FR1347636A
FR1347636A FR43351A FR69043351A FR1347636A FR 1347636 A FR1347636 A FR 1347636A FR 43351 A FR43351 A FR 43351A FR 69043351 A FR69043351 A FR 69043351A FR 1347636 A FR1347636 A FR 1347636A
Authority
FR
France
Prior art keywords
chair
plate
adjustable
rest
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
FR43351A
Other languages
French (fr)
Inventor
William Chancellor Charles Jr
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
Application granted granted Critical
Publication of FR1347636A publication Critical patent/FR1347636A/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—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

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

1,011,267. Adjustable back-rests. C. W. CHANCELLOR. Feb. 20, 1963 [Feb. 21, 1962], No. 6814/63. Headings A4J and A4U. An auxiliary back-rest 42 of a chair, which is located in an opening or recess 44 of a main back-rest 26, is vertically adjustable in the opening or recess 44 and is pivotally mounted about a transverse axis. The chair also includes adjustable biasing means urging the auxiliary backrest to pivot to a foremost position, and adjusting means to alter this foremost position. The lower end of a support arm 48 which carries the auxiliary back-rest 42 is mounted for vertical adjustment on a mounting plate 96 by means of a bolt 100 extending through the arm 48 and a slot in the plate 96, the arm 48 also has a pair of ribs interlocking with corresponding grooves on the plate 96. A U-shaped support 106, which is pivotally secured to rails 50, 52 attached to the seat 24, is connected to the plate 96 by rivets 108 and by a turnbuckle assembly 112. By adjusting the turnbuckle assembly 112 the angular position of the back-rest may be varied. The adjustable biasing means comprises a compression spring 138 acting between the U-shaped support 106 and an adjustable handwheel 142 in screw-threaded engagement with a rod 128 which extends through the spring 138 and is attached to a plate 134 extending between the rails 50, 52. The chair described is a vertically adjustable swivel chair which can also pivot about a transverse pivot pin 76. Two springs 94 are connected to the chair frame to resist rearward pivotal movement and by rotating a handwheel 88 the compression on the springs can be varied.
FR43351A 1962-02-21 1963-02-21 Improvements to the seats, especially those of the articulated type Expired FR1347636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US174729A US3093413A (en) 1962-02-21 1962-02-21 Chair with double pivot spring assembly

Publications (1)

Publication Number Publication Date
FR1347636A true FR1347636A (en) 1963-12-27

Family

ID=22637275

Family Applications (1)

Application Number Title Priority Date Filing Date
FR43351A Expired FR1347636A (en) 1962-02-21 1963-02-21 Improvements to the seats, especially those of the articulated type

Country Status (4)

Country Link
US (1) US3093413A (en)
DE (1) DE1254838B (en)
FR (1) FR1347636A (en)
GB (1) GB1011267A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018786A (en) * 1983-11-09 1991-05-28 Goldstein Glenn A Ergonomic adjustable chair and method
IT1221578B (en) * 1987-11-19 1990-07-12 Co Fe Mo Spa CHAIR WITH OSCILLATING SEAT BACK AND FORWARD
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
DE602006014274D1 (en) * 2006-09-18 2010-06-24 Pro Cord Spa Seat backrest with integrated lumbar support
USD697726S1 (en) 2012-09-20 2014-01-21 Steelcase Inc. Chair
US11304528B2 (en) 2012-09-20 2022-04-19 Steelcase Inc. Chair assembly with upholstery covering
US9458905B2 (en) * 2012-09-20 2016-10-04 Steelcase Inc. Spring assembly and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US180548A (en) * 1876-08-01 Improvement in tilting chairs
DE521741C (en) * 1931-03-26 Gertrud Becker Geb Mundt Chair with a springy backrest
US1182854A (en) * 1915-05-10 1916-05-09 Albert J Coe Flexible back adjustment for chairs.
US1986105A (en) * 1932-04-22 1935-01-01 Thomas W Foote Swivel chair
US2398072A (en) * 1942-06-15 1946-04-09 Automatic Products Co Chair

Also Published As

Publication number Publication date
DE1254838B (en) 1967-11-23
US3093413A (en) 1963-06-11
GB1011267A (en) 1965-11-24

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