Chair

Details Chair Chair

1982-06-16

1985-06-04

Lyddane, William E.

Chairs and seats

Movable bottom

Independently movable resilient bottom sections

297313, 297355, A47C 1022

Patent

active

045210535

ABSTRACT:
A chair comprising a supporting element adapted to tilt about a horizontal axis can be constructed in an ergometrically acceptable way when the supporting element is coupled with the frame through both a torsional spring and a gas spring. In this manner the supporting element can be simply set in the correct position.

REFERENCES:
patent: 1836630 (1931-12-01), Thum
patent: 3057660 (1962-10-01), Schneider
patent: 3301520 (1967-01-01), Barth et al.
patent: 3446532 (1969-05-01), Cramer
patent: 3712666 (1973-01-01), Stoll
patent: 3989297 (1976-11-01), Kerstuolt
patent: 4007962 (1977-02-01), Muller
patent: 4200332 (1980-04-01), Brauning
patent: 4364605 (1982-12-01), Meiller

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