Engine starter having intermediate gear

Details Engine starter having intermediate gear Engine starter having intermediate gear

2006-11-13

2010-10-19

Pang, Roger (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S00700R

Reexamination Certificate

active

07814807

ABSTRACT:
A starter is provided, which includes an intermediate gear connected to an intermediate shaft, and engaging with and driven by a pinion gear which is connected to an output shaft of a motor. The intermediate gear engages with a ring gear of an engine to crank up the engine when shifted together with the pinion gear in axial directions of these shafts via a retainer which is slidably supported by both of these shafts. A clutch supported by the shaft of the motor causes this shift by pushing the retainer in its axial direction. The clutch and the intermediate gear, each being defined by its outermost diameter, overlap with each other in the radial direction between these shafts. This overlap reduces stress acting on the retainer when the intermediate gear engages with the ring gear, thus reducing thickness of the retainer and the axial length of the starter.

REFERENCES:
patent: 5245881 (1993-09-01), Rometsch
patent: 5895993 (1999-04-01), Kajino et al.
patent: 6647812 (2003-11-01), Nito et al.
patent: 6880415 (2005-04-01), Nito
patent: 7526973 (2009-05-01), Katoh
patent: 7552656 (2009-06-01), Miyake
patent: 2004/0177710 (2004-09-01), Kajino et al.
patent: 2006/0219032 (2006-10-01), Miyake
patent: 2002-180937 (2002-06-01), None
patent: A-2006-169983 (2006-06-01), None
patent: 2006-194180 (2006-07-01), None
German Office Action with English Translation dated Jun. 24, 2009.
Foreign Official Communication with English-language translation. Aug. 18, 2009.

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