Inflatable cushion

Details Inflatable cushion Inflatable cushion

1995-04-07

1997-06-17

Trettel, Michael F.

Beds

Mattress

Having confined gas

5653, 5654, A47C 2710

Patent

active

056385650

ABSTRACT:
An inflatable multi-layer body support cushion, adapted to buffer or dampen the fluid reaction to forces applied to the upper surface of the cushion, includes a plurality of adjacent cells of generally hourglass configuration defined by vertically stacked upper and lower chamber portions and medial neck portion. The laterally adjacent chambers are interconnected for the intralayer fluid flow therebetween. The vertically adjacent chambers are interconnected in the neck portion of the cells by orifices which control the interlayer fluid communication between the upper and lower chambers.

REFERENCES:
patent: 2434641 (1948-01-01), Burns
patent: 2703770 (1955-03-01), Pekar
patent: 4405129 (1983-09-01), Stuckey
patent: 5044030 (1931-09-01), Balaton
patent: 5243722 (1993-09-01), Gusako

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