Multi-speed transmission for friction driven cycles

Details Multi-speed transmission for friction driven cycles Multi-speed transmission for friction driven cycles

1984-11-09

1986-04-01

Bertsch, Richard A.

Motor vehicles

Special wheel base

Having only three wheels

180221, 180222, B62D 6102, B62D 6108, B60K 100, B60K 1714

Patent

active

045791880

ABSTRACT:
A multi-speed friction drive suitable for propelling cycle vehicles comprises a drive frame attachable to the frame of the cycle, a drive motor mounted to the frame, a gear hub mounted to the drive frame and driven by the motor through a belt drive. A friction roller is formed on the outer shell of the gear hub, which is coupled to the belt drive through a shiftable gear arrangement internal to the gear hub. The cycle is propelled by frictional engagement of the roller with a cycle wheel.

REFERENCES:
patent: 2451965 (1948-10-01), Longenecker
patent: 2794510 (1957-06-01), Mennesson
patent: 4175629 (1979-11-01), Kalajzich

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