Article of footwear
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United States of America Patent
Stats
-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Nov 21, 1984
filing date -
Mar 15, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An article of footwear has a heel upper (1)(1b)(1c)(1d) components and lower (2) components of which are spring loaded apart to limit stop positions either by a volume of elastomeric material (5)(7)(70b) or by a gas spring. In accordance with the invention means (48)(48a)(48b) (48c)(48d) is provided which is adjustable to vary the rate of the spring without alteration of the limit stop position to which the components (1)(1b)(1c)(1d) and (2) of the heel are urged by the spring (5)(70)(70b).
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