Resilient tires and wheels – Tires – resilient – Anti-skid devices
Patent
1988-10-14
1992-07-21
Knable, Geoffrey L.
Resilient tires and wheels
Tires, resilient
Anti-skid devices
152DIG3, B60C 1106
Patent
active
051314444
ABSTRACT:
An uneven wear-resisting heavy duty pneumatic tire comprises main grooves continuously extending in a tread of the tire along a circumference thereof, land portions separated by the main grooves, and stepped zones each provided in the land. Each stepped zone has a surface located radially inside of the tread by a step a viewed sectionally. Each of said stepped zones is separated from the adjacent land portions via a pair of circumferentially extending grooves or narrow cuts. An uneven wearing-sacrificing portion is formed by the surface of the stepped zone. The unever wear-sacrificed portion slide-contacts with the tread within the tread ground-contacting area for supporting the load exerted upon the tire.
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Aoki Yasutoshi
Kukimoto Takashi
Usui Shinji
Yamagishi Naoto
Bridgestone Corporation
Knable Geoffrey L.
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