Wheelchair seat cushion
First Claim
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1. A self-contained cushioned seat support comprising:
- a contoured base, the contoured base having a hollowed-out portion for receiving inflation means., an outwardly rounded lower surface, and upwardly extending vertical side wall portions, the wall portions including a shoulder along their uppermost edges;
a generally rigid base lid portion, the lid portion being supported by the shoulder of the contoured base in a horizontal position;
an inflatable air cushion, the cushion being supported by the base lid;
the inflation means to inflate the air cushion; and
deflation means to deflate the air cushion.
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Abstract
A wheelchair seating system preferably for use with an inflatable cushion device such as that incorporated herein by reference includes a base suitable for containing the components necessary to provide for either manual or automatic inflation and deflation of the lower cushion incorporated in the seating system and the upper cushion upon which a user sits.
52 Citations
20 Claims
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1. A self-contained cushioned seat support comprising:
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a contoured base, the contoured base having a hollowed-out portion for receiving inflation means., an outwardly rounded lower surface, and upwardly extending vertical side wall portions, the wall portions including a shoulder along their uppermost edges; a generally rigid base lid portion, the lid portion being supported by the shoulder of the contoured base in a horizontal position; an inflatable air cushion, the cushion being supported by the base lid; the inflation means to inflate the air cushion; and deflation means to deflate the air cushion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A self-contained cushioned seat support comprising:
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a contoured base, the contoured base having a hollowed-out portion for receiving inflation means, an outwardly rounded lower surface, and upwardly extending vertical side wall portions, the wall portions including a shoulder along their uppermost edges; a generally rigid base lid portion, the lid portion being supported by the shoulder of the contoured base in a horizontal position; an inflatable air cushion including a pocket on its upper surface, the cushion being supported from underneath by the base lid; inflation means to inflate the air cushion; deflation means to deflate the air cushion; and
alarm means to alert the user to changes in inflation of the inflatable cushion and changes in user position. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification