Starter motor pinion assembly

Details Starter motor pinion assembly Starter motor pinion assembly

1987-09-03

1988-11-22

Staab, Lawrence

Machine element or mechanism

Engine starters

Automatic

74DIG10, F02N 1114

Patent

active

047856793

ABSTRACT:
A pinion assembly (30) for an electrical starter motor (20) includes a metallic pinion nut (4) threadedly received on an output shaft (22) of motor (20). A first bushing (36) includes a radially extending annular flange (40) which is fixed to and covers nut (4) and a cylindrical axially extending shell (42). A metallic drive pinion (32) is supported on shell (42) and is electrically insulated from shaft (20) by shell (42) and from nut (4) by annular flange (40). However, slip clutch (14) is located between first bushing (36) and drive pinion (32) to transmit torque therebetween. Finally, cylindrical member (62) retains drive pinion (32) on bushing (36).

REFERENCES:
patent: 3024780 (1962-03-01), Hamman
patent: 3906921 (1975-09-01), Tillotson et al.
patent: 3942505 (1976-03-01), Tillotson
patent: 4694594 (1987-09-01), Thorud et al.
patent: 4712451 (1987-12-01), Morishita et al.

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