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US 6,662,475 B2Granted
Reversible heel
AssigneeColumbia Insurance Company
InventorCharles H. Lewia
Life of this patent
Estimating the term…
Abstract
A heel includes a member with a first surface having a fastening layer for removable attachment of the member to an outsole in two different positions, and a second surface having an outer layer with a first sliding characteristic in one position and a different sliding characteristic in another position. The removable heel provides bowlers with the flexibility to have one pair of shoes featuring different sliding characteristics to satisfy their needs in different lane surface conditions.
Claims17
A heel comprising:
- a member including:
- a first surface having a fastening layer for removable attachment to an outsole in a first and a second position;
- a second surface having an outer layer that includes a first sliding characteristic in the first position and a second sliding characteristic in the second position against a floor surface;
- wherein the outer layer has a plurality of wedges defining a series of apexes separated by a series of nadirs;
- and
- wherein a material forming the apexes is different than a material forming the nadirs.
3 more elements
A method of changing a sliding characteristic of a shoe, the method comprising:
- removing a heel member from an outsole of the shoe, the member having a fastening layer for removable attachment to an outsole in a first position having a first sliding characteristic provided in an outer layer;
- changing the member from a first orientation to a second orientation;
- reattaching the member to the outsole in a second position having a second sliding characteristic;
- providing the outer layer with a plurality of wedges defining a series of apexes separated by a series of nadirs;
- and
- providing a different material to form the apexes and the nadirs.
3 more elements
Dependencies are inferred from the claim text.