Collapsible back support

Details Collapsible back support Collapsible back support

1995-06-08

1997-03-04

Brown, Peter R.

Chairs and seats

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

Laterally collapsible

297350, A47C 400

Patent

active

056072023

ABSTRACT:
A back support for use with a collapsible body support. The back support includes at least one first rib having a first end, a second end, and a central portion between the first end and the second end, wherein the first end includes structure for pivotally securing the at least one first rib to a first support member. The back support further includes at least one second rib having a first end, a second end, and a central portion between the first end and the second end, wherein the first end includes structure for pivotally securing the at least one second rib to a second support member. The central portion of the at least one first rib is pivotally connected to the central portion of the at least one second rib to form a support surface upon which an individual can rest their back.

REFERENCES:
patent: 633012 (1899-09-01), Depue
patent: 3142351 (1964-07-01), Green
patent: 4240663 (1980-12-01), Locher
patent: 4545614 (1985-10-01), Abu-Isa et al.
patent: 4925242 (1990-05-01), Harris et al.
patent: 5244222 (1993-09-01), Benoit
patent: 5308147 (1994-05-01), Tseng

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