Wheel for in-line roller skates
First Claim
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1. A wheel construction comprising:
- a hub section formed of a thermoplastic polyurethane material having a first durometer hardness; and
a tire section formed of a thermoplastic polyurethane material having a second durometer hardness, molded onto said hub section to form a molecularly adhered, integral hub and tire structure.
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Abstract
A wheel construction generally consisting of a hub section formed of a thermoplastic polyurethane material having a first durometer hardness and a rim section formed of a thermoplastic polyurethane material having a second durometer hardness less than the first durometer hardness, molded onto the hub section to form a molecularly adhered, integral hub and rim structure.
23 Citations
29 Claims
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1. A wheel construction comprising:
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a hub section formed of a thermoplastic polyurethane material having a first durometer hardness; and a tire section formed of a thermoplastic polyurethane material having a second durometer hardness, molded onto said hub section to form a molecularly adhered, integral hub and tire structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of making a wheel comprising:
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molding a hub section of the wheel from a thermoplastic polyurethane material having a first durometer hardness; and molding a tire section from a thermoplastic polyurethane material having a second durometer hardness onto said hub section to form a molecular adhesion between said sections. - View Dependent Claims (21, 22, 23)
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24. An in-line skate comprising:
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a shoe having a sole portion; support means secured to said sole portion and depending therefrom; and a plurality of longitudinally spaced wheels mounted on axles supported on said support means, each of said wheels comprising a hub section formed of a thermoplastic polyurethane material having a first durometer hardness and a tire section formed of a thermoplastic polyurethane material having a second durometer hardness molded onto said hub section to form a molecularly adhered, integral hub and tire structure. - View Dependent Claims (25, 26, 27, 28, 29)
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Specification