Zoned cellular cushion with flexible flaps containing inflating

Details Zoned cellular cushion with flexible flaps containing inflating Zoned cellular cushion with flexible flaps containing inflating

1991-10-16

1992-11-17

Luebke, Renee S.

Beds

Support for users body or part thereof

Removable support specially adapted for seating

5464, 5455, 5464, 5455, A61G 900

Patent

active

051631962

ABSTRACT:
An inflatable cushion is organized into zones or compartments which are normally isolated from each other. The base of the cushion contains channels which lead from the several zones to a flap-type valve. When the flag is extended, the channels are connected through a manifold in the valve. However, when the flap is folded over upon itself, the channels are blocked before the manifold and the zones are isolated. Having separate and isolated zones, the cushion provides improved stability and better serves to maintain the user in a desired posture. A modification has individual fill valves and stems for each zone and for the manifold.

REFERENCES:
patent: 2731652 (1956-01-01), Bishop
patent: 3984886 (1976-10-01), Keeton
patent: 4267611 (1981-05-01), Agulnick

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