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U.S. Department of Energy
Office of Scientific and Technical Information

Pinion gear retainer assembly for a starter motor of an internal combustion engine

Patent ·
OSTI ID:5900012

In a starter motor for an internal combustion engine, the starter motor being of the type including a shaft having a distal end, a pinion gear slidably mounted on the shaft and a clutch assembly engageable with the pinion gear and slidably mounted on the shaft is described. The starter motor consists of: a circumferential groove formed in the distal end of the shaft; split ring means positioned in the groove for resisting an impact force from the pinion gear as the latter slides on the shaft, and including first and second part-annular ring means positioned in the groove to form a circular configuration having a combined angular extent of approximately 360/sup 0/; and retaining ring means positioned on the shaft in a snug fitting, abutting and surrounding relation to the split ring means for holding the split ring means in the groove without compressing the split ring means.

Assignee:
NOV; EDB-86-101924
Patent Number(s):
US 4574648
OSTI ID:
5900012
Country of Publication:
United States
Language:
English

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