Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1994-12-27
1997-01-21
Maki, Steven D.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152454, 152456, B60C10100, B60C11100
Patent
active
055956190
ABSTRACT:
A pneumatic tire has a tread part with two wide circumferential grooves having a width GW of 35 mm or more and 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-contacting surface. When the tire is mounted on a regular rim, inflated with regular internal pressure and applied with normal load, widths SW1, SW2 of shoulder ground-contacting areas Fs1, Fs2 where the shoulder parts contact with the ground are different to each other.
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Patent Abstract of Japan vol. 016, No. 299 (M-1274) 2 Jul. 1992 & JP-A-04 081 305 (Bridgestone Corp.) 16 Mar. 1992.
Patent Abstract 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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