Insert for a shoe sole

Details Insert for a shoe sole Insert for a shoe sole

1995-05-30

1996-06-25

Darling, John P.

Boots, shoes, and leggings

Soles

Spring heel

36 28, 36 30R, 36 38, 36103, A43B 1314

Patent

active

055288421

ABSTRACT:
An insert for a shoe sole includes a heel lever which absorbs energy from the foot during heel strike and returns the energy to the foot during heel lift-off.

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