Driving apparatus for bicycles and the like

Details Driving apparatus for bicycles and the like Driving apparatus for bicycles and the like

1997-01-30

1999-02-16

Johnson, Brian L.

Land vehicles

Wheeled

Occupant propelled type

280237, 745941, 74516, 74 96, B62M 104

Patent

active

058712216

ABSTRACT:
An improved bicycle driving apparatus structured to generate driving power including a driving assembly to generate driving power, a tracking assembly to transmit the driving power to the rear wheel, a speed-shifting assembly structured to permit changing of the gears. The driving assembly includes a right pedal assembly and a left pedal assembly, each structured for movement in an alternating direction and along a generally arcuate path of less than 360 degrees. The driving assembly also includes a variable speed transmission assembly structured to vary the amount of power required for movement of the right and left pedal assemblies. The right pedal assembly includes a right pedal cylindrical hub secured to a drive shaft. Furthermore, it includes a first and second pulling rod, a first and second auxiliary pulling rod, and a right pedal arm extending from the right pedal cylindrical shaft. The left pedal assembly includes a left pedal arm, a first roller, and a second roller disposed upon the drive shaft. The first roller is structured to rotate with the left pedal arm and the second roller is structured to rotate with the drive shaft. The rollers are structured so that a clockwise rotation of the left pedal arm causes a counterclockwise rotation of the second roller, and therefore, the drive shaft, right pedal cylindrical hub, and the right pedal arm. Likewise, a clockwise rotation of the right pedal arm will cause a clockwise rotation of the drive shaft and the second roller, as well as a counterclockwise rotation of the first roller and the left pedal arm.

REFERENCES:
patent: 4077648 (1978-03-01), Seul
patent: 5029486 (1991-07-01), Mercat
patent: 5035678 (1991-07-01), Hageman
patent: 5095772 (1992-03-01), Fortson
patent: 5515746 (1996-05-01), Yamaguchi
patent: 5516132 (1996-05-01), Simkins

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