Patent ID: 6115941
Filing Date: 2000-09-12
Classification: A43B

Abstract:
A sole of a shoe, comprising:a sole outer surface;a sole inner surface for supporting a foot of an intended wearer;a heel portion at a location substantially corresponding to a calcaneus bone of the foot of the intended wearer;a midtarsal portion at a location substantially corresponding to a midtarsal of the foot of the intended wearer; anda forefoot portion at a location substantially corresponding to a forefoot of the foot of the intended wearer;the sole heel, midtarsal, and forefoot portions having a sole medial side, a sole lateral side, and a sole middle portion between the sole sides, at least a part of the sole outer surface of the middle portion having a tread pattern:the sole lateral side and the sole medial side including a lowermost side section adjacent the middle portion, an intermediate side section above the lowermost side section, and an uppermost side section above the intermediate side section;the heel portion having a lateral heel part at a location substantially corresponding to the lateral tuberosity of the calcaneus bone of the foot of the intended wearer, and a medial heel part at a location substantially corresponding to the base of the calcaneus bone of the foot of the intended wearer;the midtarsal portion being between the forefoot portion and heel portion, and having a lateral midtarsal part at a location substantially corresponding to the base of a fifth metatarsal bone of the foot of the intended wearer;the forefoot portion having a forward medial forefoot part at a location substantially corresponding to the head of the first distal phalange bone, a rear medial forefoot part at a location substantially corresponding to the head of a first metatarsal bone of the foot of the intended wearer, and a rear lateral forefoot part at a location substantially corresponding to the head of a fifth metatarsal bone of the foot of the intended wearer:the shoe sole having at least one bulge, each at least one bulge including at least a concavely rounded portion of both the inner surface and the outer surface of the shoe sole, both as viewed in a shoe sole frontal plane during a shoe upright, unloaded shoe condition, the concavity existing with respect to the intended wearer's foot location in the shoe:at least a part of said at least one bulge bounded by said concavely rounded surfaces including a midsole part and an outersole part;a bulge being located at least at the lateral midtarsal part;the concavely rounded outer surface portion of the bulge extending through the lowermost side section of at least one of the sole lateral side and the sole medial side, as viewed in a shoe sole frontal plane during a shoe upright, unloaded condition;at least an uppermost portion of an outer surface of the bulge extending above a lowermost point of the sole inner surface, as viewed in a frontal plane during a shoe upright condition; anda heel portion thickness that is greater than a forefoot portion thickness as viewed in a shoe sole sagittal plane;the lateral midtarsal bulge outer surface forming a portion of the sole lateral side.