Portable back support

Details Portable back support Portable back support

1991-11-05

1994-05-24

Dorner, Kenneth J.

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

2972846, 2972847, 2974523, 297DIG3, 29745234, 29745241, A47C 300

Patent

active

053142357

ABSTRACT:
Disclosed herein is a portable back support comprising a base plate, cushion means attached to the base plate: the cushion means having an upper portion and a lower portion, the lower portion having a pair of laterally spaced extremities, the base plate having an arcuate shape in transverse section thereby enabling the extremities to provide lateral support: the lower portion further comprising expansion means, the expansion means enabling the contour of the cushion to be varied.

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patent: 5076643 (1991-12-01), Colasanti et al.
patent: 5211446 (1993-05-01), Fay et al.

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