Inflatable cushion device

Details Inflatable cushion device Inflatable cushion device

1992-11-23

1994-08-09

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5449, 36 29, 36153, 297199, 29745241, 297DIG3, A47C 2708, B62J 126, A43B 1320

Patent

active

053353820

ABSTRACT:
An inflatable air cushion has an integrally formed extension tube of zig-zag form with its free end attached to another cushion or to a pump assembly for inflating the cushion. By separating the limbs of the zig-zag tube, the cushions, or the cushion and pump assembly can be spaced apart at different distances to suit different applications. The pump may include a pressure limiting chamber integrated therewith for limiting the maximum inflation pressure of the cushion.

REFERENCES:
patent: 1468072 (1923-09-01), Ogle
patent: 4255824 (1981-03-01), Pertchik
patent: 4930174 (1990-06-01), Hunter

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