SE8603755L - EQUIPMENT FOR STEELLESS HEIGHT ADJUSTMENT OF A CHAIR SEAT - Google Patents

EQUIPMENT FOR STEELLESS HEIGHT ADJUSTMENT OF A CHAIR SEAT

Info

Publication number
SE8603755L
SE8603755L SE8603755A SE8603755A SE8603755L SE 8603755 L SE8603755 L SE 8603755L SE 8603755 A SE8603755 A SE 8603755A SE 8603755 A SE8603755 A SE 8603755A SE 8603755 L SE8603755 L SE 8603755L
Authority
SE
Sweden
Prior art keywords
flow
spaces
fluid channel
chair seat
piston
Prior art date
Application number
SE8603755A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE8603755D0 (en
SE464057B (en
Inventor
Bengt Petersson
Original Assignee
Bengt Petersson
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 Bengt Petersson filed Critical Bengt Petersson
Priority to SE8603755A priority Critical patent/SE464057B/en
Publication of SE8603755D0 publication Critical patent/SE8603755D0/en
Priority to PCT/SE1988/000104 priority patent/WO1989008417A1/en
Publication of SE8603755L publication Critical patent/SE8603755L/en
Publication of SE464057B publication Critical patent/SE464057B/en

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
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder

Landscapes

  • Chairs Characterized By Structure (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

An arrangement for stepless vertical adjustment of a chair seat (1), which is carried by a chair base, comprising a pillar (3) with at least two members which are vertically movable relative to one another. An externally adjustable valve (35) is located in a fluid channel (45) between two concentric cylindrical spaces (20, 21) and is arranged to be switched between an open position, in which fluid may flow in the fluid channel between two spaces in one direction of flow or the other depending on the balance of forces on two pistons, one in each cylindrical space, and a closed position, in which communication is broken between the two spaces. A spring element (42) acts on the one piston to move it in its one direction and the second piston is anchored by means of a piston rod in said second one of the two members of the base which aremovable relative to one another. Means are arranged in the fluid channel (45) to maintain the rate of flow in the one direction of flow reduced relative to the rate in the opposite direction.
SE8603755A 1986-09-08 1986-09-08 DEVICE FOR INCREASED HEIGHT ADJUSTMENT OF A CHAIR SEAT SE464057B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE8603755A SE464057B (en) 1986-09-08 1986-09-08 DEVICE FOR INCREASED HEIGHT ADJUSTMENT OF A CHAIR SEAT
PCT/SE1988/000104 WO1989008417A1 (en) 1986-09-08 1988-03-07 An arrangement for stepless vertical adjustment of a chair seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8603755A SE464057B (en) 1986-09-08 1986-09-08 DEVICE FOR INCREASED HEIGHT ADJUSTMENT OF A CHAIR SEAT

Publications (3)

Publication Number Publication Date
SE8603755D0 SE8603755D0 (en) 1986-09-08
SE8603755L true SE8603755L (en) 1988-03-09
SE464057B SE464057B (en) 1991-03-04

Family

ID=20365517

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603755A SE464057B (en) 1986-09-08 1986-09-08 DEVICE FOR INCREASED HEIGHT ADJUSTMENT OF A CHAIR SEAT

Country Status (2)

Country Link
SE (1) SE464057B (en)
WO (1) WO1989008417A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU709603B2 (en) * 1991-05-17 1999-09-02 Chiron Corporation Inhibitor of NF-kappaB transcriptional activator and uses thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301026B (en) * 1964-11-14 1969-08-14 Reinhard Hoernlein Kg Holz Und Hydropneumatic lifting unit, especially for height-adjustable tables and chairs
US3381926A (en) * 1966-10-20 1968-05-07 Edward E. Fritz Adjustable stool
US3865341A (en) * 1973-08-08 1975-02-11 Den Tal Ez Mfg Co Dental stool for dentist and dental assistant

Also Published As

Publication number Publication date
SE8603755D0 (en) 1986-09-08
SE464057B (en) 1991-03-04
WO1989008417A1 (en) 1989-09-21

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