Inflatable cushion

Details Inflatable cushion Inflatable cushion

1988-09-02

1990-04-10

Smith, Gary L.

Beds

Bedclothing

And means to facilitate changing thereof

5432, A47C 2708

Patent

active

049147625

ABSTRACT:
The inflatable cushion includes a front and rear cloths or flexible sheets having a substantially trapezoidal outline, a peripheral band arranged between and tightly sealed to the front and rear cloths to delimit therewith a sealed enclosure, and a valve means or opening for controllably supplying a fluid to, and discharging it from, the enclosure.

REFERENCES:
patent: D185477 (1959-06-01), Wuollett
patent: 2314080 (1943-03-01), Dine et al.
patent: 2522120 (1950-09-01), Kaskey et al.
patent: 2612645 (1952-10-01), Boland
patent: 3109182 (1963-11-01), Doak
patent: 3361471 (1968-01-01), Radford
patent: 3426372 (1969-02-01), Enelow
patent: 4405129 (1983-09-01), Stuckey
patent: 4459714 (1984-07-01), Lin
patent: 4754511 (1988-07-01), Sargent

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