Spike ensuring stable kick during running and spike shoes
US6467196B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Feb 5, 2001 |
| Grant date | Oct 22, 2002 |
| Priority date | — |
| Expiry date | Feb 5, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA43C15/162
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention provides a spike, which includes a base (2), a claw (4) formed on a tip end of the base (2) and having a trapezoidal tip end portion, and a recess (6) formed in a rear side of the base (2) and extending from the claw (4) to the base (2), the recess (6) being curved relative to a longitudinal direction (7) of the spike (1). Further, the present invention provides a sport shoe, which includes a spike (11) and a spike fixture (21), the spike (11) including a base (12), a claw (14) formed on a tip end of the base (12) and having a trapezoidal tip end portion, a recess (16) formed in a rear side of the base (12) and extending from the claw (14) to the base (12), the recess (16) being curved relative to a longitudinal direction of the spike (11), and a collar (13) formed on an upper end of the base (12), the collar (13) having indentations (13a) formed in the outer peripheral surface thereof, and the spike fixture (21) including a cylindrical portion (22) having indentations (22b) that are formed in the inner surface thereof and that engage the indentations (13a), the spike fixture (21) being secured to a shoe sole (41), wherein the orientation of the recess (16) ca…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.