Dual system bicycle

Details Dual system bicycle Dual system bicycle

1986-07-29

1988-02-23

Love, John J.

Land vehicles

Wheeled

Occupant propelled type

74 42, 280257, B62M 112, F16H 2118

Patent

active

047266007

ABSTRACT:
A dual system bicycle for hand and foot propelling operations including a handle device with a front link mechanism operatively installed on top of a front fork member fixed on a front wheel of a bicycle, and a lever device with a rear link mechanism movably connected between the front link and a pedal system installed in a lower portion of a frame structure and in the rear wheel through a chain wheel arrangement of the bicycle; thereby, the rider can use both hands and feet for propelling the bicycle, improving his bodily fitness and increasing the moving speed of the bicycle. Alternatively, the dual system bicycle can be easily changed into an ordinary bicycle mode for foot propulsion only.

REFERENCES:
patent: 614146 (1898-11-01), Vonhausen
patent: 3921464 (1975-11-01), Greseth

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