Variable drive mechanism for cycle type vehicles

Details Variable drive mechanism for cycle type vehicles Variable drive mechanism for cycle type vehicles

1994-04-20

1996-03-05

Hill, Mitchell J.

Land vehicles

Wheeled

Occupant propelled type

74351, 280260, B62M 1104, F16H 112, F16H 308

Patent

active

054960495

ABSTRACT:
A drive mechanism for a cycle vehicle is disclosed herein for selectively importing a driving force from a pedal operated front gear drive section to a rear gear driven section via a variable transmission. The drive section and the driven section include a plurality of concentric circular rows of gear teeth selectively engageable by front and rear intermediate gears positionable on linear guide rods by a variable combination of manually settable transmission gears. The drive and driven section gears constitute shift gears adapted to achieve gear speed change and provide a driving force to the rear wheel via rotating shafts.

REFERENCES:
patent: 707359 (1902-08-01), Scharbach
patent: 3863503 (1975-02-01), Loeb et al.
patent: 3934481 (1976-01-01), Foster
patent: 4447068 (1984-05-01), Brooks
patent: 4813302 (1989-03-01), Davidow
patent: 5251504 (1993-10-01), Summerville et al.

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