Resilient tires and wheels – Tires – resilient – Anti-skid devices
Reexamination Certificate
2007-02-27
2007-02-27
Maki, Steven D. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Anti-skid devices
C152S209210, C152S902000
Reexamination Certificate
active
10501560
ABSTRACT:
A pneumatic tire10, in which at least one rib groove12extended in a tire circumferential direction is formed on a tread surface portion T of a tread portion11, and portions13discontinuous in terms of rigidity are formed in a circumferential direction of rib lines B formed by the rib groove12, the discontinuous portions13causing variations of tire axle force. Rigidity changing portions20which cancel the variations of the tire axle force are provided in the rib groove12, the variations being caused by the discontinuous portions13. Thus, vibrational force to an axle is lowered, and pattern noise caused thereby is reduced effectively.
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patent: 5964267 (1999-10-01), Poque et al.
patent: 6105643 (2000-08-01), Rohweder et al.
patent: 2083627 (1999-09-01), None
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patent: 1075971 (2001-02-01), None
patent: 5-238210 (1993-09-01), None
patent: 2000-247111 (2000-09-01), None
patent: 2001-219712 (2001-08-01), None
patent: 2001-322407 (2001-11-01), None
patent: WO 00/51831 (2000-09-01), None
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