Shoe with ergonomic insole unit
OwnerEddie Cheninventor
Life of this patent
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Abstract
A shoe includes an ergonomic insole unit, and an upper with a bottom margin connected directly to a periphery of the insole unit. The insole unit has a heel part which includes a planar bottom face, a rear upward flange extending upward from the heel part and a concave inner surface which extends gradually upward and outward from a mid part of the heel part to the upward flange. The thickness of the heel part decreases gradually from the upward flange to the mid part and thus substantially conforms to the contour of the bottom face of the wearer's heel. The ergonomic insole unit contacts and supports sufficiently all part of the wearer's heel for better distribution of the weight of the wearer.
Claims18
A shoe comprising an ergonomic insole unit, and an upper having a bottom margin attached to said insole unit, said insole unit including a heel part which includes a base, a rear upward flange projecting upward from a periphery of said base and making a U-shaped turn around said base, said upward flange extending inwardly of said bottom margin of said upper, said base having a planar bottom face, said rear upward flange having an outer surface extending upward from said planar bottom face and forming a corner with said planar bottom face, said heel part further having a concave inner surface opposite to said outer surface and said planar bottom face, said inner surface extending gradually upward and outward along a direction from a mid part of said base to a top end of said upward flange and having a curved face extending along said corner, said heel part having, between said planar bottom face and said inner surface, a thickness which decreases gradually from said upward flange toward said mid part.
Dependencies are inferred from the claim text.