Variable speed drive shaft bicycle

Land vehicles – Wheeled – Occupant propelled type

Patent

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Details

280238, B62M 102

Patent

active

055226124

ABSTRACT:
A bicycle for converting reciprocal human motion into linear vehicular translation. The inventive device includes a frame supported relative to a ground surface by front and rear wheels. A pedal assembly converts user pedaling into rotational torque output through a pedal shaft extending vertically through the frame. A first transmission receives torque from the pedal shaft and couples with a drive shaft extending through the frame. A second transmission couples the drive shaft to the rear wheel such that the vehicle can be accelerated by an individual.

REFERENCES:
patent: 2578634 (1945-06-01), Hussey
patent: 4585244 (1986-04-01), Testa, Sr. et al.
patent: 4613010 (1986-09-01), Enocson
patent: 4831889 (1989-05-01), Howard
patent: 5078416 (1992-01-01), Keyes
patent: 5316327 (1994-05-01), Bell

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