Motor vehicles – Special wheel base – Having only two wheels
Reexamination Certificate
2007-12-25
2007-12-25
Morris, Lesley D. (Department: 3611)
Motor vehicles
Special wheel base
Having only two wheels
C180S219000, C180S226000, C280S274000, C280S283000
Reexamination Certificate
active
11234127
ABSTRACT:
In a rear wheel support structure for a motorcycle or a three-wheeled vehicle in which a proximal end portion of a swing arm is vertically tiltably supported on a vehicle body frame by way of a tilting support shaft, a rear wheel is rotatably supported on the swing arm by way of a rear axle, and a rear shock absorber is interposed between the swing arm and the vehicle body frame. The comfort of the ride is enhanced by ensuring a sufficiently long effective stroke of the rear shock absorber with respect to a stroke of the rear wheel. A tilting support shaft of a swing arm is arranged behind a rear axle in the longitudinal direction of the vehicle.
REFERENCES:
patent: 1154821 (1915-09-01), Whiting
patent: 1286252 (1918-12-01), Dragner
patent: 2187238 (1940-01-01), Trenor
patent: 2636567 (1953-04-01), Porter
patent: 3917313 (1975-11-01), Smith et al.
patent: 3974892 (1976-08-01), Bolger
patent: 4287960 (1981-09-01), McConnell
patent: 4299582 (1981-11-01), Leitner
patent: 4322088 (1982-03-01), Miyakoshi et al.
patent: 09-109981 (1997-04-01), None
Morris Lesley D.
Williams Maurice
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