Chair back and seat adjustment mechanism

Details Chair back and seat adjustment mechanism Chair back and seat adjustment mechanism

1990-05-03

1991-11-19

Dorner, Kenneth J.

Chairs and seats

Movable back

Tiltable

297306, 297328, A47C 1024

Patent

active

050660691

ABSTRACT:
A chair having a seat and back adjustment mechanism in which a single handle is operable to hold or release both the seat and the back at selected independent angles. A bank of plates serving the seat and a bank of plates serving the back are interleaved and positioned to be compressed by the handle.

REFERENCES:
patent: D290073 (1987-06-01), Doerner
patent: D292459 (1987-10-01), Doerner
patent: 3720443 (1973-03-01), Mourgue
patent: 4198094 (1980-04-01), Bjerknes et al.
patent: 4392686 (1983-07-01), Beer
patent: 4478454 (1984-10-01), Faiks
patent: 4636004 (1987-01-01), Neumuller
patent: 4693514 (1987-09-01), Volkle
patent: 4718725 (1988-01-01), Suhr et al.
patent: 4916968 (1990-04-01), Kabaya

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