Sole with V-oriented flex grooves

Details Sole with V-oriented flex grooves Sole with V-oriented flex grooves

1983-11-08

1986-01-07

Jaudon, Henry S.

Boots, shoes, and leggings

Boots and shoes

Resilient or flexible shoe

36 25R, 36 59C, 36 32R, D 2320, A43B 500, A43B 1314, A43B 1308

Patent

active

045626510

ABSTRACT:
An improved sole for use with footwear is disclosed. The sole includes at least one layer of material which is adapted to be attached to an upper of the footwear. A distal flex groove is formed in the sole and is coextensive with a medial metatarsal-phalanges line which extends between the first and second metatarsal-phalanges joints. A proximal flex groove is also formed in the sole and extends substantially parallel to a lateral metatarsal-phalanges line which extends along the second through fifth metatarsal-phalanges joints. The proximal and distal grooves join on another at the medial edge of the sole adjacent the first metatarsal-phalanges joint.

REFERENCES:
patent: D185954 (1959-08-01), Powell
patent: 1569576 (1926-01-01), Raymond
patent: 1776750 (1930-09-01), Burns
patent: 2211057 (1940-08-01), Duckoff
patent: 2405498 (1946-08-01), Gregg
patent: 2547480 (1951-04-01), McDaniel
patent: 3290803 (1964-02-01), Spatoza
patent: 3724106 (1973-04-01), Magidson
patent: 3818617 (1974-06-01), Dassier et al.
patent: 4240214 (1980-12-01), Sigle et al.
patent: 4262435 (1981-04-01), Block et al.
patent: 4309831 (1982-01-01), Pritt
patent: 4309832 (1982-01-01), Hunt
patent: 4364190 (1982-12-01), Yonkers

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