Motive air seat cushion

Details Motive air seat cushion Motive air seat cushion

1989-12-13

1991-05-21

Smith, Gary L.

Beds

With heating or cooling

And means to force air

5469, 297180, A47C 3100

Patent

active

050163027

ABSTRACT:
A motive air seat cushion comprises: an envelope with an air inlet opening and air discharge openings around the edges. An air distribution box having a plurality of holes around the edges is located inside the envelope and connected to the air inlet opening. A flexible hollow supporting padding is embedded inside the envelope to provide void spaces and also support for the envelope. As air from a motive air source flows into the air distribution box and then diffuses evenly through the envelope, the cushion is cooled or warmed, thus giving a cooling or warming sensation to a person sitting on the cushion.

REFERENCES:
patent: 376094 (1888-01-01), Hurlburt
patent: 2703134 (1955-03-01), Mossor
patent: 2758532 (1956-08-01), Awe
patent: 2791956 (1957-05-01), Guest
patent: 2826135 (1958-03-01), Benick
patent: 2931286 (1960-04-01), Fry
patent: 3757366 (1973-09-01), Sacher
patent: 4413857 (1983-11-01), Hayashi
patent: 4685727 (1987-08-01), Cremer
patent: 4853992 (1989-08-01), Yu

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