Collapsible chair with tensioned seat

Details Collapsible chair with tensioned seat Collapsible chair with tensioned seat

2006-07-11

2006-07-11

Brown, Peter R. (Department: 3636)

Chairs and seats

Collapsible chair; i.e., relatively folding bottom, back,...

Collapsed to a compact bundle having all rigid elongated...

C297S055000

Reexamination Certificate

active

07073852

ABSTRACT:
A collapsible chair (10) has a first (110) and second (112) front leg, a rear leg (120), a seat support rod (130), and a backrest is attached to the front legs. The legs and the seat support rod are coupled via cross braces (140, 150) such that the seat support rod pivots in one direction while the rear leg pivots in the opposite direction when the front legs are approximated to each other. Preferred chairs comprise a seat that is tensioned when the front legs move apart, and the seat remains substantially tensioned when the seat supports a person.

REFERENCES:
patent: 1730916 (1929-10-01), Cable
patent: 2381574 (1945-08-01), Clarin
patent: 4014591 (1977-03-01), Gittings
patent: 4118065 (1978-10-01), Watkins
patent: 5288098 (1994-02-01), Shamie
patent: 5622376 (1997-04-01), Shamie
patent: 5897161 (1999-04-01), Karg
patent: 1110223 (1954-10-01), None

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