Motor vehicles – Special wheel base – Having only two wheels
Patent
1995-03-10
1996-07-02
Boehler, Anne Marie
Motor vehicles
Special wheel base
Having only two wheels
180219, 280284, B62K 1102
Patent
active
055312896
ABSTRACT:
A motorcycle frame and trailing arm construction for providing a extremely high strength, light weight assembly. The frame is comprised of a head pipe and a pair of downwardly and rearwardly extending main frame members the center of which substantially intersect a pivot axis for a trailing arm that supports the motorcycle rear wheel. The trailing arm has a triangular configuration in side elevation and the rear suspension element is loaded by the thickest portion of the trailing arm so as to provide high strength. A bearing arrangement is incorporated for the trailing arm that permits removal of the driving sprocket that is concealed behind the trailing arm for servicing.
REFERENCES:
patent: 2705154 (1955-03-01), Torre
patent: 4114918 (1978-09-01), Lutz
patent: 4550794 (1985-11-01), Inoue et al.
patent: 4671375 (1987-06-01), Oike et al.
patent: 4744434 (1988-05-01), Miyakoshi et al.
patent: 4744579 (1988-05-01), Roatta
patent: 4765431 (1988-08-01), Yoshioka
patent: 5050699 (1991-09-01), Savard
Boehler Anne Marie
Yamaha Hatsudoki Kabushiki Kaisha
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