Spring-action running and jumping shoe

Details Spring-action running and jumping shoe Spring-action running and jumping shoe

1983-09-12

1985-08-13

Schroeder, Werner H.

Boots, shoes, and leggings

Boots and shoes

Occupational or athletic shoe

36 28, 36 78, 272114, A43B 1318, A43B 506

Patent

active

045341249

ABSTRACT:
An athletic shoe, particularly for running and jumping, including an upper sole, a separate lower sole beneath the upper sole and a leaf spring of approximately the width of the shoe connecting the upper and lower soles. One end of the leaf spring is fastened to one end of the upper sole, such as the front end, while the other end of the leaf spring is fastened to the opposite end of the lower sole. The opposite surfaces of the upper and lower soles facing the spring may be arcuately curved. The spring may be arcuately curved. The upper sole may be fastened to the shoe over the entire length of the upper sole or only at the front of the shoe, e.g. at a joint. Additional springs may be disposed between the upper and lower soles.

REFERENCES:
patent: 75900 (1868-03-01), Hale et al.
patent: D194309 (1963-01-01), Levine
patent: 427136 (1890-05-01), Walker
patent: 871864 (1907-11-01), Feazell et al.
patent: 1693911 (1928-12-01), Schmeer
patent: 2172000 (1939-09-01), Wenker
patent: 3036389 (1962-05-01), Wesch
patent: 4196903 (1980-04-01), Illustrato
patent: 4360978 (1982-11-01), Simpkins

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