Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2008-03-11
2008-03-11
Maki, Steven D. (Department: 1791)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209220, C152S902000, C152SDIG020
Reexamination Certificate
active
10500244
ABSTRACT:
A wheel tread part2of a tread is constituted of a longitudinal main groove3formed in a circumferential direction via a center of a width direction, a plurality of longitudinal subgrooves4formed on both side parts of the longitudinal main groove3in the circumferential direction, and a plurality of traverse grooves5formed in a width direction to intersect the longitudinal main and subgrooves3, 4, and divided into a plurality of blocks6. Each of the plurality of blocks6is provided with a one-end-open sipe9, and formed so that rigidity in the width direction can be higher in an end a of a center side region compared with an end b of a shoulder side region. Since the rigidity of the end a of the center side region is higher, a reaction force is generated in accordance with a steering angle from the start of changing the same.
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Machine translation for Japan 2000-25520, Jul. 2006.
Derwent Abstract for Japan 2000-255220, Jul. 2006.
International Search Report, Apr. 2003.
Bridgestone Corporation
Maki Steven D.
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