Final gear transmission mechanism for a motorcycle, and...

Motor vehicles – Special wheel base – Having only two wheels

Reexamination Certificate

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C180S219000, C074S609000

Reexamination Certificate

active

08002068

ABSTRACT:
A motorcycle includes a swing arm, a rear wheel mounted on a leading end of the swing arm, a drive shaft disposed in the swing arm, and a final gear transmission mechanism interposed between the drive shaft and the rear wheel. The final gear transmission mechanism includes a gear case mounted on the leading end of the swing arm for supporting a rear axle; a first end bearing and a second end bearing for supporting a first end and a second end of the rear axle, respectively, a ring gear mounted on the rear axle for transmitting the rotary drive force of an engine to the rear axle; a holding portion for holding the first end of the rear axle in the axial direction of the rear axle; and a fastening member for fastening the second end bearing to the second end of the rear axle.

REFERENCES:
patent: 4436173 (1984-03-01), Takahashi
patent: 4811810 (1989-03-01), Watanabe
patent: 7644797 (2010-01-01), Kofuji
patent: 7717211 (2010-05-01), Ito et al.
patent: 7717213 (2010-05-01), Ito et al.
patent: 2007/0193806 (2007-08-01), Ito et al.
patent: 2008/0236331 (2008-10-01), Nimura et al.
patent: 1 978 215 (2008-10-01), None
patent: 2-393 (1990-01-01), None
patent: WO 03/093096 (2003-11-01), None

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