Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1994-12-27
1997-11-18
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152209A, 152454, 152456, B60C10100, B60C11100
Patent
active
056883420
ABSTRACT:
A pneumatic tire has a tread part with two wide circumferential grooves extending in either side of the tire's equator so as to divide the tread part into a pair of shoulder parts and a central part. The central part has a surface utilizing successive convex curves of a pair of inner groove walls and a central ground-contact surface. When the tire is mounted on a regular rim, inflated with regular internal pressure and applied with normal load, a ground-contacting area Fc where the central part contacts with the ground has a length Lc in the tire's circumferential direction which is 0.9 to 1.1 times a length Ls in the tire's circumferential direction of a ground-contacting area FS where the shoulder part contacts with the ground.
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Translation of Japan 63-87302.
Patent Abstract of Japan vol. 016, No. 299 (M-1274) 2 Jul. 1992 & JP-A-04 081 305 (Bridgestone Corp.) 16 Mar. 1992.
Patent Abstracts of Japan vol. 016, No. 041 (M-1206) 21 Jan. 1992 & JP-A-03 246 104 (Bridgestone Corp.).
"Time Materials and Construction," K. Jost, Automotive Engineering, Oct. 1992.
Maki Steven D.
Sumitomo Rubber Industries Ltd.
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