Air cushion shoe sole
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United States of America Patent
Stats
-
Jun 9, 1987
Grant Date -
N/A
app pub date -
Oct 4, 1985
filing date -
Mar 13, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An air cushion shoe sole which is preferably blow molded of elastomeric material and has at least one cavity which in cross-section is substantially rectilinear. The cavity has a number of depressions and each cavity has an air valve for introducing a shock absorbing material, namely gas, liquid, or a combination thereof into that cavity. Each air valve has means in it for automatically bleeding off a portion of the shock absorbing material introduced into the cavity once the pressure of that material reaches a predetermined level.
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Family
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Cited Art Landscape
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