Boots – shoes – and leggings – Insoles
Patent
1987-09-23
1990-02-06
Chi, James Kee
Boots, shoes, and leggings
Insoles
36 3B, 36 80, 128581, A43B 1338
Patent
active
048979376
ABSTRACT:
An insole base member in planar form for providing a mechanical interlock with a shoe insole is disclosed. The insole base provides a low volume, low profile molded pattern which contacts the underside of the insole material and prevents shearing shifts of the insole. In one embodiment, the insole base has a smooth upper surface in the region adjacent the metatarsal heads of the foot, with a plurality of raised ridges extending transversely across the smooth upper surface, and with the upper surface of the insole base having a cross hatch pattern extending over the remainder of the base anterior and posterior to the smooth upper surface portion. The raised ridges may be positioned so as to lie parallel to the transverse and oblique metatarsal axes of the foot. In alternative embodiments, a plurality of raised ridges are positioned adjacent to the heel or the ball of the foot, with such raised ridges being located outwardly of a central reference point in a pattern corresponding to the spokes of a wheel.
REFERENCES:
patent: 2217882 (1940-10-01), Andersen
patent: 2772196 (1956-11-01), Pooley
patent: 2959875 (1960-11-01), Frese Jr.
patent: 3071877 (1963-01-01), Stickles
patent: 3086532 (1963-04-01), Mistarz
patent: 3143812 (1964-08-01), Bittner
patent: 3220416 (1965-11-01), Brown
patent: 3595244 (1971-07-01), Kugler
patent: 4075772 (1978-02-01), Sicurella
patent: 4635385 (1987-01-01), Odgen
patent: 4694590 (1987-09-01), Greenawalt
Mintel Thomas E.
Misevich Kenneth W.
Ancel Richard J.
Chi James Kee
Colgate-Palmolive Company
Grill Murray M.
Sullivan Robert C.
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