Pneumatic wheelchair cushion
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United States of America Patent
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Jan 30, 1996
Grant Date -
N/A
app pub date -
Aug 5, 1994
filing date -
Aug 5, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pneumatic wheelchair cushion system has an air cushion with adjoining separate chambers for cushioning a user's coccyx, ischial tuberosities, greater trochanters and thighs. The chambers are pneumatically interconnected with each other such that pressure on one or more of the chambers is transmitted to the other chambers and to a control module with a controller for maintaining an inflation pressure in the air cushion within an upper and a lower set point.
First Claim
Family
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