Motor vehicles – Special wheel base – Rider propulsion with additional source of power – e.g.,...
Patent
1981-06-02
1983-09-13
Peters, Jr., Joseph F.
Motor vehicles
Special wheel base
Rider propulsion with additional source of power, e.g.,...
74625, 192142R, B62M 2302
Patent
active
044036728
ABSTRACT:
A coupling device, located between the drive part and the cycle part of a moped, wherein the crank drive is provided with a stationary double pinion, connected by an endless chain to the free-wheel pinion, which is secured to the back wheel of the moped, for driving the back wheel by either pedaling or by engine power. The axle of the crank drive passes through the hub of a trapezoidically grooved pulley which is connected by an endless belt to the drive pulley, which is driven by an engine. A mechanism, carried by the grooved pulley, makes it possible to optionally connect or disconnect the grooved pulley, and its associated double pinion, from the engine drive. This mechanism constitutes a double lever having a bent projecting nose, which lever is controlled by a pivotable control button to move the lever between a locked and unlocked position, as desired. When the engine drive is uncoupled from the rear wheel of the moped the moped can be powered by pedalling or by free wheeling.
REFERENCES:
patent: 2689012 (1954-09-01), Jaulmes
Ateliers de la Motobecane S.A.
Hill Mitchell J.
Peters Jr. Joseph F.
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