Boots – shoes – and leggings – Insoles
Patent
1988-04-25
1989-11-28
Watkins, Donald
Boots, shoes, and leggings
Insoles
36 44, 36 92, 36 35R, A43B 1338
Patent
active
048828564
ABSTRACT:
An insert with a wedge shaped cushion portion of greater resiliency than the remainder of the insert which is designed and arranged to be inserted through the foot opening of a shoe into an upwardly opening cavity in the posterior portion of the shoe. The cushion wedge portion is positioned to control the range of rotation of the heel of a wearer upon heel-strike and is provided in different resiliencies so that the insert may be used to properly address the impact resulting from heel-strike in different weights of wearers.
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patent: 4769926 (1988-09-01), Meyers
"Orthotics and Prosthetics", vol. 27, pp. 28-33, Mar. 1973, John Glancy, Co.
"Orthotics and Prosthestics", vol. 38, pp. 12-40, 1984, John Glancy, Co.
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