Motorcycle gear box and rear wheel suspension system

Details Motorcycle gear box and rear wheel suspension system Motorcycle gear box and rear wheel suspension system

1979-05-14

1981-05-05

Reese, Randolph A.

Motor vehicles

Special wheel base

Having only two wheels

180227, 280284, B60K 512, B62K 1108

Patent

active

042653304

ABSTRACT:
A motor cycle which is suitable both for use as a trail machine and as road bike has an engine and gear box assembly which forms an integral part of the monocoque frame of the motor cycle. The gear box has an input shaft, an intermediate shaft and an output shaft and a chain driving sprocket mounted on the output shaft. The rear wheel of the motor cycle is mounted in a swing arm, the pivot axis of which is coincident with the axis of the gear box output shaft and the rear wheel is driven by a chain passing over the sprocket on the output shaft and a sprocket attached to the rear. Since the swing arm axis and output shaft axis are coincident, the swing arm and rear wheel are able to accommodate large suspension movements without affecting the chain tension because of these movements.

REFERENCES:
patent: 1296216 (1919-03-01), Reif
patent: 2755873 (1956-07-01), Klaue
patent: 3722612 (1973-03-01), Issigonis et al.
patent: 3974892 (1976-08-01), Bolger
patent: 4091887 (1978-05-01), Kurata et al.
patent: 4139072 (1979-02-01), Dawson
patent: 4165728 (1979-08-01), Matsumoto et al.

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