Mechanism to convert the front idle wheels of bicycles in genera

Details Mechanism to convert the front idle wheels of bicycles in genera Mechanism to convert the front idle wheels of bicycles in genera

1992-04-24

1994-05-03

Focarino, Margaret A.

Land vehicles

Wheeled

Occupant propelled type

280246, B62M 112

Patent

active

053080971

ABSTRACT:
A mechanism temporarily convert the front wheel of bicycles into a driving wheel, comprising a lever (5) hinged in front of and on top of the frame; the handlebar (E) is fixed to the lever together with a catch (14), with a mobile stopping tooth which cooperates with stopping means (11, 15) attached to the steering column (10), to block/release the handlebar which can be swung on a vertical plane; a transmission assembly, comprising a chain (7) which engages a free wheel (8) coaxial and fixed to the front wheel (I), transmits the alternate movement given to the handlebar to the free wheel; elastic return means for returning the handlebar to the original position are also provided. Control means (16, 17) for the stopping tooth of the catch (14) are attached to the handlebar.

REFERENCES:
patent: 682953 (1901-09-01), Norton
patent: 4726600 (1988-02-01), Wu

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