Starter drive having a contaminant collecting bushing

Details Starter drive having a contaminant collecting bushing Starter drive having a contaminant collecting bushing

1987-03-17

1988-06-07

Herrmann, Allan D.

Machine element or mechanism

Engine starters

Automatic

74 6, 384291, 384624, F02N 1506, F16C 3304

Patent

active

047488620

ABSTRACT:
A starter drive for cranking an engine. The starter drive has a pinion. A bushing is press fitted to the bore of the pinion. The pinion and bushing are supported for rotation and sliding movement by a shaft or sleeve. A thin film of grease is located between the inner surface of the bushing and the outer surface of the shaft or sleeve. The inner surface of the bushing has a plurality of contaminant collecting grooves. The grooves collect the contaminants to thereby prevent grease degradation and wear out.

REFERENCES:
patent: 2245431 (1941-06-01), Critchfield
patent: 2902125 (1959-09-01), House et al.
patent: 3263509 (1966-08-01), Digby
patent: 3714834 (1973-02-01), Digby
patent: 4261625 (1981-04-01), Renaud

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