Foam cushion for use with a wheel chair

Details Foam cushion for use with a wheel chair Foam cushion for use with a wheel chair

1990-10-01

1992-01-14

Smith, Gary L.

Beds

Having safety device

Side guard

5481, 5461, 5464, 297DIG1, 297DIG4, A47C 2000

Patent

active

050797905

ABSTRACT:
A wheel chair cushion and the like is disclosed which includes a cushion formed of a deformable resilient material. The cushion includes a base having a front wall and a rear wall. A plurality of individual foam springs are carried by the base having support surfaces which lie in a plane that is inclined to the base surface of said base as extending from said front wall to said rear wall. A pressure relief cut-out is formed substantially in its entirety from a mid-line of said cushion rearwardly so as to be disposed underneath the buttocks of a person sitting on the cushion to relieve pressure in that area and provide increased compressibility of the foam springs in the pressure relief area to disperse pressure and provide a resilient depression in the cushion to enhance the patient retention capability of the cushion as used in a wheel chair.

REFERENCES:
patent: 2659418 (1953-11-01), Berman
patent: 2785739 (1957-03-01), McGregor
patent: 3337884 (1967-08-01), Meier
patent: 3679263 (1972-07-01), Cadiou
patent: 3987507 (1976-10-01), Hall
patent: 4646374 (1987-03-01), Shafer
patent: 4660238 (1987-04-01), Jay
patent: 4753480 (1988-06-01), Morell
patent: 4768251 (1988-09-01), Baskent
patent: 4837881 (1989-06-01), Kondo

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