Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1988-09-08
1989-10-31
Meyers, Steven N.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 45, 36 30R, 36 31, A43B 500, A43B 2300, A43B 1312
Patent
active
048768065
ABSTRACT:
The present invention is directed to an asymmetric shoe which provides greater support, proper flexion and a more accurate fit than conventional shoes. The shoe of the present invention structures one or more of the following portions of the shoe upper and sole asymmetrically between the medial and lateral sides. First, a lateral stability strap is positioned immediately posterior of the fifth metatarsal-phalanges joint while a medial stability strap is positioned posterior of the first metatarsal-phalanges joint. Second, a lateral flex notch is aligned with the fifth metatarsal-phalanges joint and a medial flex notch is aligned with the first metatarsal-phalangess joint to allow the shoe to flex along the foot's natural flex line. Third, a medial quarter notch is positioned anterior of a lateral quarter notch to accommodate the difference between the medial and lateral malleolar lengths. The asymmetry of malleolar heights is also accommodated by having a quarter height difference; the medial quarter height being as much as 2.5 cm. higher than the lateral quarter height. Fourth, the anterior edge of a midsole wedge section is aligned immediately posterior of the metatarsal-phalanges joints. Fifth, in a combination lasted shoe the anterior edge of a board is aligned immediately posterior of the metatarsal-phalanges joint.
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Richard Daniel J.
Robinson John R.
Meyers Steven N.
Nike Inc.
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