Invention Grant
US07647711B2 Footwear cleat with inward traction elements 失效
鞋内裤与内向牵引元件

Footwear cleat with inward traction elements
Abstract:
A cleat includes a hub and dynamic traction elements of the type that resiliently flex upwardly under the load of the weight of a wearer of a shoe. The traction elements are biased to resiliently flex inwardly from the hub periphery while flexing upwardly under the load.
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