Shoe sole and shoe and sandal including the sole

Details Shoe sole and shoe and sandal including the sole Shoe sole and shoe and sandal including the sole

1997-06-10

1998-10-27

Patterson, M. D.

Boots, shoes, and leggings

Soles

Rope

36 31, 36103, 36110, A43B 1300, A43B 1314

Patent

active

058263519

ABSTRACT:
A shoe sole which enables the Aori movement of a foot to be readily performed is obtained. According to the invention, the shoe sole is formed of a toe portion 10 and a main portion 20. Toe portion 10 has one upper surface F (first upper surface) and one bottom surface portion (first bottom surface portion). Main portion 20 has one upper plane E (second upper plane), and three bottom surface portions B, C and D (second, third and fourth bottom surface portion). The thickness (t2) of a portion on the lateral side of bottom surface portion C of main portion 20 is formed smaller than the thickness (t1) of a portion on the medial side. Bottom plane C (third bottom surface portion) permits a foot to supinate in a natural manner in dorsiflexial position when the third bottom surface portion touches the plane of walking. By the interaction between such third bottom surface portion and the first, second, and fourth bottom surface portion as described above, during walking, the fourth bottom surface portion first touches the ground, a foot supinates when the third bottom surface portion touches the ground, then the body weight is shifted toward the medial side by the second bottom surface portion, and finally the first bottom surface portion supinates for kicking the ground. In other words the "Aori movement" of the foot is readily performed.

REFERENCES:
patent: 4262433 (1981-04-01), Hagg et al.
patent: 4348821 (1982-09-01), Daswick
patent: 4425721 (1984-01-01), Spronken
patent: 5339542 (1994-08-01), Kim
patent: 5507106 (1996-04-01), Fox
patent: 5579591 (1996-12-01), Kousaka et al.
patent: 5592757 (1997-01-01), Jackinsky
"Ashinohanashi", Shiro Kondo, Iwanamishinsho, Iwanami Shoten Publishers, 3rd printing, Sep. 1982.

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