Resilient tires and wheels – Tires – resilient – Pneumatic tire or inner tube
Reexamination Certificate
2006-01-17
2006-01-17
Aftergut, Jeff H. (Department: 1733)
Resilient tires and wheels
Tires, resilient
Pneumatic tire or inner tube
C152S531000, C152S535000
Reexamination Certificate
active
06986374
ABSTRACT:
A method of fitting a tire for an off road motorcycle. The diameter of the rim of a rear wheel (12) is one inch smaller than the diameter of the rim of a front wheel (18). Further, at least a tire (24) of the rear wheel is substantially a tire having a radial carcass with an aspect ratio of less than or equal to 80% and has at least one spiral belt. By providing a one-inch difference between the diameter of the rim of the rear wheel (12) and the diameter of the rim of the front wheel (18), the basic characteristics of the motorcycle can be maintained with the outer diameter of the rear wheel (12) being substantially the same as that of a conventional rear wheel, and the aspect ratio of the rear wheel tire (24) can further be reduced to 80 to 70%. Further, a so-called spiral belt is combined in conjunction with the radial construction employed for the rear wheel tire (24) so as to moderately suppress the rigidity of the tread portion. Accordingly, off road traction can be improved from the viewpoints of the configuration and the construction of the tire, and with this improvement, cushion characteristics can be maintained by means of the radial carcass and the spiral belt.
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Aftergut Jeff H.
Bridgestone Corporation
Fischer Justin
LandOfFree
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