B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 55/28 (2006.01) B60C 11/16 (2006.01) B62D 55/26 (2006.01)
Patent
CA 2072432
ABSTRACT OF THE DISCLOSURE A traction device including a bit having a penetrating surface for penetrating a riding surface. The penetrating surface defines the cross sectional area of the bit and includes a plurality of facets wherein each facet intersects a common vertex. In a second embodiment, the penetrating surface defines an oval cross section transverse to the direction of penetration into a riding surface, wherein the circumference of the cross section increases as the distance from the tip increases. -12-
Kirby Eades Gale Baker
Rubel Edward R.
LandOfFree
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