Land vehicles – Skates – Shoe attaching means
Patent
1978-10-23
1980-12-02
Mitchell, David M.
Land vehicles
Skates
Shoe attaching means
36 93, 280618, A63C 9086
Patent
active
042367255
ABSTRACT:
A dynamic device for holding the foot and the leg in position in a rigid structure consisting of shells or fastening elements, wherein there is at least a pump operated by the motions of the leg which is associated with at least an element for adjusting the pressure, with at least a valve and an assembly of fluid-chocks, the whole participating to the immobilization of the foot and the leg in the rigid structure.
REFERENCES:
patent: 3947051 (1976-03-01), Sittmann
patent: 4178013 (1979-12-01), Bataille
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