Boots – shoes – and leggings – Boots and shoes – Foot-supporting or foot-conforming feature
Patent
1990-11-13
1992-08-18
Sewell, Paul T.
Boots, shoes, and leggings
Boots and shoes
Foot-supporting or foot-conforming feature
36110, A43B 700, A43B 714
Patent
active
051387778
ABSTRACT:
A wedge undersole of triangular shaped configuration as viewed from a side thereof is integrated to a mid-sole of a sole assembly formed of an impact-absorbing material and having a thickness which varies over the length of the shoe, having flat top and bottom surfaces, and having its greatest thickness at the heel of the shoe and tapering in the direction of the open toe region formed by a upper assembly secured to the sole assembly. The upper assembly is adapted to surround the heel sides and dorsal portion of the foot. Preferably, the upper assembly has a heel region extending upwardly from the sole assembly and forward portions divided into left and right flaps adapted to cover the dorsal region of the foot and strap interconnecting outer face portions of the left an right flaps. The wedge undersole ensures that the top surface of the mid-sole extends upwardly and forwardly in the direction of the open toe region of the shoe with the front surface of the wedge undersole terminating proximate to the metatarsal heads of the foot. The weight of and pressure on the forefoot is fully relieved while the portion of the mid-sole from the terminating of the wedge undersole proximate to the metatarsal heads acts to fully support the forefoot at an upwardly oblique angle. That portion of the mid-sole also underlies the forefoot to completely protect the forefoot from impact along both sides thereof at the open toe region of the shoe, and at the front of the mid-sole.
REFERENCES:
patent: 4425721 (1984-01-01), Spronken
patent: 4546557 (1985-10-01), Barouk et al.
patent: 4677767 (1987-07-01), Darby
patent: 4726127 (1988-02-01), Barouk
patent: 4821432 (1989-04-01), Reiber
Article by S. Barouk, pp. 197-201 of publication Le Chaussage by J. Claustre and L. Simon, published by Masson, Paris, France 1988 and translation.
Darco International Inc.
Patterson M. Denise
Sewell Paul T.
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