Inflatable cushion device
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United States of America Patent
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Aug 9, 1994
Grant Date -
N/A
app pub date -
Nov 23, 1992
filing date -
Nov 23, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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