Electrical auxiliary drive for a bicycle

Details Electrical auxiliary drive for a bicycle Electrical auxiliary drive for a bicycle

1997-01-10

1998-07-14

Johnson, Brian L.

Motor vehicles

Special wheel base

Having only two wheels

180342, B62D 6102

Patent

active

057789983

ABSTRACT:
An electrical auxiliary drive for a bicycle includes an inverted U-shaped bracket having a top wall disposed above a rear wheel of the bicycle and two side walls each fixedly mounted on a respective seat stay of the bicycle and each located adjacent to the rear wheel. Each of the two side walls of the bracket has an arcuate slot defined therein. Two motors are each mounted on a respective side wall of the bracket and each have a driving axle rotatably mounted thereon and slidably extending through an associated arcuate slot. A driven axle is mounted between the top wall of the bracket and the rear wheel and has two end portions each fixedly mounted on the driving axle of a respective motor. A driving wheel is fixedly mounted around the driven axle and detachably engages with the rear wheel.

REFERENCES:
patent: 2578886 (1951-12-01), Isherwood et al.
patent: 3878910 (1975-04-01), Walker, Jr.
patent: 4386675 (1983-06-01), Landon

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