Adjustable armrest of an office chair

Details Adjustable armrest of an office chair Adjustable armrest of an office chair

1998-08-19

1999-11-02

Cranmer, Laurie K.

Chairs and seats

Armrest

Adjustable to multiple use positions relative to bottom or back

29741135, 29741131, A47C 754

Patent

active

059756403

ABSTRACT:
Adjustable armrest including an armrest holder frame, a bottom plate fixedly fastened to the armrest holder frame, a first movable plate having a front end pivoted to one end of the bottom plate and a rear end, a second movable plate having one end pivoted to the rear end of the first movable plate, an elastomer block fixedly mounted on the second movable plate at the top, an armrest pad pivoted to the second movable plate and supported on the elastomer block and forced to oscillate back and forth, first lock means adapted to lock and first movable plate and the bottom plate in a received position where the first movable plate and the bottom plate are vertically arranged in a stack; and second lock means adapted to lock the first movable plate and second movable plate in a received position where the second movable plate and the first movable plate are vertically arranged in a stack.

REFERENCES:
patent: 5655814 (1997-08-01), Gibbs
patent: 5848823 (1998-12-01), Su
patent: 5876097 (1999-03-01), Cao
patent: 5884976 (1999-03-01), Breen et al.

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