Track spike
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United States of America Patent
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Mar 5, 2002
Grant Date -
N/A
app pub date -
Dec 22, 1999
filing date -
Dec 22, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
A spike for track shoes is disclosed. The spike has a central section in a cylindrical configuration having a first enlarged exterior diameter. It also has an upper section in a generally cylindrical configuration extending upwardly from the central section with a threaded exterior face for removable attachment to and removable attachment from the track shoe of a wearer, the exterior diameter of the upper section being less than the exterior diameter of the central section. Lastly, a lower section is provided having an uppermost region with a generally circular cross-sectional configuration with an exterior diameter less than that of the central sections. The lower section also has an axis co-extensive with the central and upper sections and a lowermost region with a circular cross-sectional configuration. In addition, the lower section also has intermediate regions of varying diameters between the uppermost and lowermost regions, the intermediate regions having downwardly tapering generally cone-shaped lower edges. Lastly, the lower section also has two opposed planar sections extending downwardly on each side from the central section to an intermediate point thereof. Each spike is fabricated as a single piece from an ultra-lightweight ceramic material.
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