Pad assembly for wheelchairs

Details Pad assembly for wheelchairs Pad assembly for wheelchairs

1987-05-14

1988-06-28

McCall, James T.

Chairs and seats

Bottom or back

Framework

5437, 5464, 5DIG2, 297458, 297459, 297DIG2, A47C 702

Patent

active

047534800

ABSTRACT:
A modifiable pressure distribution pad assembly for a wheelchair comprises a bottom pad of resilient foam material of high density and at least one upper pad of resilient foam material of intermediate density having at least one cutout defining an opening therethrough. Filler foam material of low density is frictionally mounted as an insert in at least one of the openings of one of the upper pads and removable therefrom. A cover encloses the pads, the cover permitting removal of the upper pads and associated filler material therefrom so that filler foam material in one opening can be separated from the upper pads and replaced in the one opening by filler foam material of a different density prior to return of the upper pads and associated filler foam material to the cover. A kit for preparing a modifiable assembly includes in addition, for at least one of the openings, a plurality of inserts of filler foam material adapted to be removably mounted in the opening, the inserts being of filler foam material having different low densities from each other.

REFERENCES:
patent: 2933738 (1960-04-01), Whelan
patent: 3742528 (1973-07-01), Munch
patent: 3833259 (1974-09-01), Pershing
patent: 3987507 (1976-10-01), Hall
patent: 4053957 (1977-10-01), Regan
patent: 4132228 (1979-01-01), Green
patent: 4161045 (1979-07-01), Regan
patent: 4290155 (1981-09-01), Hanson
patent: 4476594 (1984-10-01), McLeod
patent: 4606580 (1986-08-01), Yoshizawa

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