Adjustable chair

Details Adjustable chair Adjustable chair

1986-08-07

1988-09-06

Zugel, Francis K.

Chairs and seats

Movable bottom

Tiltable

297322, 297342, 297349, A47C 102

Patent

active

047688297

ABSTRACT:
The invention features an improvement in an adjustable chair having a base, a seat coupled to the base and arranged to move with respect to the base along a center line plane of the chair, and a back hingedly connected to the seat to allow an adjustment of relative angular reclining position of the seat and back in response to movement of the seat. The claim further has a coupling and guiding assembly for coupling the seat to the base, for guiding forward and backward movement of the seat with respect to the base, and for frictionally holding the seat at any of a continuum of desired positions with respect to the base.

REFERENCES:
patent: 226475 (1880-04-01), Bell
patent: 809944 (1906-01-01), Hanger
patent: 2400588 (1946-05-01), McArthur
patent: 2591911 (1952-04-01), Block
patent: 2617471 (1952-11-01), Lorenz
patent: 3137527 (1964-06-01), Hoven et al.
patent: 3337266 (1967-08-01), Burns
patent: 3773383 (1973-11-01), Ekornes
patent: 3934932 (1976-01-01), Ekornes
patent: 3947069 (1976-03-01), Lusch
patent: 4045081 (1977-08-01), Ueno
patent: 4068888 (1978-01-01), Bottemiller
patent: 4251107 (1981-02-01), Sato

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