Starting device for a model engine

Details Starting device for a model engine Starting device for a model engine

2008-03-18

2008-03-18

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Mechanical

Reexamination Certificate

active

07343891

ABSTRACT:
A starting device for a model engine includes an electric-operation unit and a rope-operation unit. The electric-operation unit consists of an engage wheel having engage teeth elastically engaged thereon, and a starting shaft slidably fitted at the outer side of the engage wheel. The starting shaft has its inner side bored with a fitting slot having its circumference eccentrically cut with plural arc-shaped grooves matching with the engage teeth of the engage wheel. The arc-shaped grooves of the starting shaft can eccentrically actuate the engage teeth to move back and forth axially on the engage wheel. The rope wheel of the rope-operation unit is fitted on the starting shaft, having its inner side equidistantly and annularly bored with plural tooth grooves elastically engaged by the engage teeth. By changing the positions of the engage teeth, the starting device can be started in two different modes.

REFERENCES:
patent: 5765438 (1998-06-01), Chang
patent: 6994066 (2006-02-01), Liu
patent: 6997155 (2006-02-01), Lu
patent: 2002/0139341 (2002-10-01), Tsuno
patent: 2003/0037750 (2003-02-01), Ueda et al.
patent: 2003/0079558 (2003-05-01), Muehlbauer
patent: 2004/0134293 (2004-07-01), Lai
patent: 2005/0268876 (2005-12-01), Liu

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