Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1998-05-15
2000-01-11
Dayoan, B.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 59B, 36 62, A43B 500, A43B 2328, A43C 1500
Patent
active
060122390
ABSTRACT:
The present invention provides a traction device that is selectively removable from a threaded aperture and allows for the operative engagement of the traction device into a threaded aperture without requiring the rotation of the traction member relative to the threaded receptacle. The traction device includes a head and a shaft projecting from the head. The head may include any of a variety of ground engaging members such as wedges, spikes or teeth. A plurality of fins extend from the shaft and exhibit substantially equal flex resistance towards the head and away from the head. Upon operable engagement, the fins are biased between successive threads. The traction device may be configured to provide a substantially equal insertion force and extraction force.
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ITW FASTEX Catalog, at least as early as May 1998, pp. 6,7, and 8, Century Fasteners Corp. Syracuse, New York, U.S.
RICHCO Catalog, 1997, pp. 69-80, Century Fasteners Corp., Edition 24, Syracuse, New York, U.S.
Conway Andrew W.
Conway Cyril J.
Schwartz John H.
Andrew W. Conway
Dayoan B.
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