Gear box power control system for a small gasoline engine
OwnerDonald Barton Grubeinventor
Life of this patent
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Abstract
A gear box power control system is disclosed to be consisting of a centrifugal clutch with integral bell housing drive, a gear train for speed reduction and torque enhancement, an output jackshaft with an engaging system to disengage and engage engine power to a primary drive sprocket for chain operation. The engagement and disengagement of engine power is done by an integral engager remotely controlled by steel cable and hand lever. A motorized vehicle is disclosed as consisting of a standard bicycle frame or modified bicycle frame, a tricycle frame, a go-cart frame, and a paddle wheel boat frame all with the gear box power control system of present invention installed on a gasoline four cycle engine.
Claims12
A gear box power control system for a motorized vehicle, said power control system comprising:
- a) a two-piece cast housing with internal components to be attached by four bolts via bolt holes in the cast housings to a small vertical single cylinder horizontal output shaft four-cycle engine;
- b) one spur gear on a centrifugal clutch and three main spur gears supported on a two separate shafts with ball bearings inside said cast housings and utilized to transmit power in a step down mode preferred in 18.5:1 speed ratio but not exclusively;
- c) a centrifugal clutch having an engagement bell housing with a spur gear is attached to an engine output crankshaft, and transmits engine torque through a series of spur gears in said cast housings to a jackshaft output;
- d) a ball bearing supported output jackshaft having one large diameter spur gear rotating freely on a bronze bushing with small fixed position engagement gear transmits power to an engager controlled system;
- e) said engager system with sliding engagement gear being controlled by the shift lever that is manipulated by external cable and hand lever.
Dependencies are inferred from the claim text.