Motorcycle

Details Motorcycle Motorcycle

2005-09-01

2008-09-02

Morris, Lesley D. (Department: 3611)

Motor vehicles

Power

Having specific motor-to-body-frame relationship

C180S226000

Reexamination Certificate

active

07419028

ABSTRACT:
In a motorcycle, a pivot plate on a drive shaft side is arranged closer to a vehicle body center axis side than the drive shaft and, at the same time, a swing arm mounting portion of the pivot plate in the vicinity of the drive shaft is flattened. Further, a lower cross pipe is extended between the left and right pivot plates in a state that the lower cross pipe projects from the pivot plate on the drive shaft side, a down tube is lowered from a head pipe, a lower pipe is extended rearwardly in the longitudinal direction of a vehicle body frame from a lower end of the down tube, and a rear end of the lower pipe is connected to a projecting portion of the lower cross pipe thus offsetting the pivot plate arranged closer to the drive shaft side than the lower pipe to the vehicle body center axis side.

REFERENCES:
patent: 4327812 (1982-05-01), Tominaga et al.
patent: 4327930 (1982-05-01), Tominaga et al.
patent: 5921339 (1999-07-01), Matsuura
patent: 6508326 (2003-01-01), Kido et al.
patent: 6578653 (2003-06-01), Nagai
patent: 6591934 (2003-07-01), Tsutsumikoshi
patent: 2006/0065462 (2006-03-01), Ishida et al.
patent: 10125032 (2001-12-01), None
patent: 63-35477 (1988-07-01), None
patent: 2002-87364 (2002-03-01), None
patent: 2004034777 (2004-02-01), None
GPTO Office Action issued by the GPTO on Dec. 22, 2006.

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