| 摘要 |
A stud for a tire to improve traction on a roadway which includes a hardened steel pin mounted in a plastic body and extending therefrom to engage the roadway, wherein the stud is sized for insertion into openings in a tire tread. The plastic body includes a portion that is collapsible so that the stud can self-adjust its position relative to the tread surface as it wears, whereby the steel pin is maintained in close relation to the tread surface throughout the life of the tire to provide the maximum road-engaging condition.
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