Boots – shoes – and leggings – Insoles
Patent
1995-06-14
1997-05-06
Patterson, M. D.
Boots, shoes, and leggings
Insoles
36 44, 36142, 36143, 36144, A43B 1338, A61F 514
Patent
active
056259654
ABSTRACT:
A shoe and shoe sole insert having a heel portion slanted downwardly at a small acute angle from the medial side to the lateral side relative to the horizontal support surface, a forefoot portion slanted downwardly at a small acute angle from the lateral side to the medial side relative to the horizontal support surface, and a diagonally crossing ridge from the heel portion, across the midfoot portion to the forefoot portion. The heel portion has a central, resilient, compressible, calcaneal pad which is substantially unslanted, preferably with an air cavity therebeneath. The calcaneal pad protrudes upwardly above the upper surface of the heel portion. The metatarsal head pad extends upwardly above the upper surface of the forefoot portion. The pivot point or crossover point between the heel portion and the forefoot portion is preferably located a distance from the rear end of the insert equal to the insert length divided by 2.4. Air cavities are beneath the calcaneal and metatarsal pads, with orifices from these cavities to the pad upper surfaces. Air flow channels extend between these air cavities. The ridge is tangential to the medial side of the calcaneal pad and tangential to the lateral side of the metatarsal pad. The shoe is preferably a flat-bottom-last formed shoe.
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Blissett Malcolm G.
Mercado Blanca A.
Patterson M. D.
Wolverine World Wide Inc.
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