Retractable stud

Details Retractable stud Retractable stud

A - Human Necessities

43

B

A43B 13/26 (2006.01) A43C 15/02 (2006.01) A43C 15/16 (2006.01)

Patent

CA 2164345

A stud for jogging shoes which may be adjusted by means of air to retract into and protrude out of a jogging shoe sole.

Cette invention concerne un crampon de soulier de jogging dont la distance de projection hors semelle est réglable par voie pneumatique.

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