Power unit for a motor cycle

Details Power unit for a motor cycle Power unit for a motor cycle

1976-12-15

1978-05-30

Peters, Jr., Joseph F.

Motor vehicles

Steam traction engines

123179SE, 180 33B, 280284, B62K 2506

Patent

active

040918874

ABSTRACT:
A power unit for a motor-cycle of a type having a power transmission case which supports at the rear end thereof a rear axle and which is integrally joined together at one end of a crank case of an engine, wherein the power transmission case is constituted by an inner half directly connected to the crank case and an outer half separably connected to the inner half, the rear axle being fitted onto the inner half of the power transmission case, a driving power transmission mechanism is disposed in the inner half to connect the rear axle and a crank shaft of the engine. A pedal shaft having an engine starting pedal connected at one end thereof and an engine starting shaft adjacent to the crank shaft on the same axis is fitted onto the outer half of the power transmission case. A starting power transmission mechanism is disposed in the outer half to connect the crank shaft and the engine starting shaft. A driving member and a driven member of an over-running clutch for starting which are engaged with each other at the time of coupling of the inner and outer halves of the power transmission case are provided at the opposing ends of each of the starting shaft and the crank shaft.

REFERENCES:
patent: 3270732 (1966-09-01), Harkness
patent: 4019594 (1977-04-01), Koyama

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