Beds – Support for users body or part thereof – Removable support specially adapted for seating
Patent
1994-08-05
1996-01-30
Grosz, Alexander
Beds
Support for users body or part thereof
Removable support specially adapted for seating
5453, 29745241, 297DIG3, A47C 2708, A47C 702, A61G 7057
Patent
active
054871972
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.
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Havener John A.
Iskra, Jr. Joseph W.
Fishel Grace J.
Grosz Alexander
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