Shoe sole
AssigneeMeramec Industries, Inc.
InventorRaymond Whitchurch
Life of this patent
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Abstract
The invention relates to an injection molded, raised heel, shoe sole structure of improved strength characteristics. The shoe sole consists of (i) a unitary shoe sole member comprising a raised heel, a foot supporting member and a shank portion connecting the heel and the foot supporting member; (ii) a toplift member positioned on the terminal portion of the raised heel of the sole member; and (iii) a free-standing metallic support member embedded within the full length of the heel and a portion of the shank portion of the sole member. The toplift member is attached to and supported by a free end of the metallic support member.
Claims3
A raised heel, shoe sole structure comprising:
- (a) a unitary sole member formed from a synthetic organic polymer and comprising a raised heel, a generally horizontally disposed foot supporting member and a shank portion connecting said heel and foot supporting member;
- (b) a toplift member positioned on the terminal portion of the heel of said sole member;
- and
- (c) a unitary, free-standing metallic support member having a cross-sectional area varying from about 0.004 to about 0.04 square inches embedded within the full length of the heel of said sole member and for at least about 50% of the length of the shank portion of the sole member, said toplift member attached to and supported by a free end of said metallic support member.
Dependencies are inferred from the claim text.