Bicycle with belt drive

Details Bicycle with belt drive Bicycle with belt drive

1988-09-28

1990-03-20

Marmor, Charles A.

Land vehicles

Wheeled

Occupant propelled type

B62M 102

Patent

active

049095293

ABSTRACT:
A bicycle has a belt and pulleys in place of the usual chain and sprockets. Each pulley has three (more of less) racways separated by discs (pulley walls). The discs (pulley walls) have openings that permit the belt to be shifted from one raceway to another raceway. A rotatable arm pivoted to the frame of the bicycle controls the shifting of the belt to the desired raceways. One end of the arm applies lateral pressure to the belt just before it arrives at the pulley associated with the driving pedals of the bicycle, to shift raceways for the driving pulley. Similarly the other end of the arm applies lateral pressure to the belt just before it enters the driven pulley to shift raceways of that pulley. Each end of the arm is biased by a main spring to apply vertical pressure to the belt to maintain it tight.

REFERENCES:
patent: 2274512 (1942-02-01), Weimer
patent: 3453900 (1969-07-01), Orndorff
patent: 3926020 (1975-12-01), Dantowitz et al.
patent: 3934481 (1976-01-01), Foster
patent: 4005611 (1977-02-01), Jeffries
patent: 4029332 (1977-06-01), Davis
patent: 4070919 (1978-01-01), Ummen et al.
patent: 4119326 (1978-10-01), Porter

Affiliated with

Also associated with

Rating

Bicycle with belt drive does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bicycle with belt drive, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bicycle with belt drive will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-787336