Dual wheel driven tricycle with a fully enclosed multiple speed

Details Dual wheel driven tricycle with a fully enclosed multiple speed Dual wheel driven tricycle with a fully enclosed multiple speed

1988-02-18

1989-05-02

Marmor, Charles A.

Land vehicles

Wheeled

Occupant propelled type

74750B, 74767, 74781B, 280238, 280259, 280260, 280263, 280264, 280282, 296185, B62M 102, B62M 1114

Patent

active

048261904

ABSTRACT:
A pedal powered recumbent tricycle with a fully enclosed drive features an extruded aluminum frame within which the brake cables, steering linkage, and a seventeen speed planetary transmission are housed. Power from a pedal crank assembly is delivered to the transmission by a conventional drive chain and pair of sprockets inside a sealed cover on the right side of the frame. Power is delivered from the transmission to the rear axles by a second drive chain and pair of sprockets inside a sealed cover on the left side of the frame. A one way clutch on the inboard end of each axle provides for differential rear wheel speeds on turns, along with positive dual wheel traction.

REFERENCES:
patent: 4451064 (1984-05-01), Perkins
patent: 4702121 (1987-10-01), Hartmann
patent: 4706982 (1987-11-01), Hartmann
patent: 4721015 (1988-01-01), Hartmann

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