Running shoe sole with pronation limiting heel

Details Running shoe sole with pronation limiting heel Running shoe sole with pronation limiting heel

1982-06-11

1985-03-26

Schroeder, Werner H.

Boots, shoes, and leggings

Boots and shoes

Foot-supporting or foot-conforming feature

36114, 36 30R, 36 31, 36129, A43B 716

Patent

active

045064628

ABSTRACT:
A running shoe sole having a relatively thin outer sole layer of hard, wear-resistant material, a midsole layer resilient cushioning material and a heel sole layer, provided between the outer sole and midsole layers along approximately the rear half of the sole. In accordance with preferred embodiments, an outer, longitudinally extending portion of the heel sole layer spans approximately 2/3 of the width of the heel sole layer and is formed of a resilient cushioning material, while an inner portion spanning approximately the remaining 1/3 of the width of the sole layer is formed of a material that is of a hardness of approximately 10-20 shore durometer greater than that of the outer portion of the heel sole layer. This construction of the heel sole layer enables cushioning of the foot during lateral heel strikes occurring during running to be provided by the outer portion of the heel while the inner portion is able to act in a manner which limits pronation occurring thereafter.

REFERENCES:
patent: 1818731 (1931-08-01), Mattison
patent: 3738373 (1973-06-01), Glancy
patent: 4069601 (1978-01-01), Robbins et al.
patent: 4237627 (1980-12-01), Turner
patent: 4316332 (1982-02-01), Giese et al.
patent: 4364188 (1982-12-01), Turner et al.
patent: 4364189 (1982-12-01), Bates

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