Motor vehicles – Special wheel base – Having only two wheels
Patent
1986-03-18
1987-03-17
Weakley, Harold W.
Motor vehicles
Special wheel base
Having only two wheels
180230, 180231, B62D 6102
Patent
active
046500260
ABSTRACT:
An off the road motorcycle of the type having a rear wheel mounting a balloon type tire and an improved suspension and driving arrangement therefor. The driving arrangement includes a first chain that is disposed on one side of the longitudinal center line of the motorcycle and which is driven by its engine and a second chain disposed on the opposite side of the motorcycle and driving the rear wheels. The chains are interconnected by an intermediate shaft that is journaled on the trailing arm and positioned rearwardly of the trailing arm pivot axis. A single substantially horizontally disposed suspension element cushions the trailing arm movement and an improved arrangement is provided for maintaining uniform tension in the first chain.
REFERENCES:
patent: Re26608 (1969-06-01), Hopkins
patent: 2230749 (1941-02-01), Hebert
patent: 3437162 (1969-04-01), Diehl
patent: 3517764 (1970-06-01), Wendt
patent: 3819002 (1974-06-01), Heathwaite
patent: 4299582 (1981-11-01), Leitner
patent: 4363375 (1982-12-01), Kauniya
patent: 4392536 (1983-07-01), Iwai
patent: 4433747 (1984-02-01), Offenstadt
patent: 4445585 (1984-05-01), Iumani
patent: 4505492 (1985-03-01), Tsunoda
Beutler Ernest A.
Weakley Harold W.
Yamaha Hatsudoki Kabushiki Kaisha
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