Spike structure for sporting shoes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Jun 19, 2000
filing date -
Jul 14, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spike structure consists of a spike body made of a plastic material, and a self-tapping screw 3 made of a metal. The spike body 2 is comprised of a flange-shaped portion 4 and a threaded stud which has a thread on the outer surface thereof and extends from one surface of said flange-shaped portion 4. An axial bore is formed through the flange-shaped portion 4 and the threaded stud 5, while slits are formed in said threaded stud 5, extending to the free end of said threaded stud. A self-tapping screw 3 is inserted with tapping into the axial bore to be fixed to said spike body. Said self-tapping screw 3 is configurated to stretch said threaded stud radially outwardly when inserted into the axial bore of spike body.
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