Starter device having pinion movement stopper mechanism formed a

Details Starter device having pinion movement stopper mechanism formed a Starter device having pinion movement stopper mechanism formed a

1995-02-07

1997-11-04

Stephan, Steven L.

Prime-mover dynamo plants

Electric control

Electric-starting motor

290 48, 74 7R, F02N 1100, F02N 1102

Patent

active

056843348

ABSTRACT:
A starter device having a reduced output shaft diameter is provided. A stopper mechanism for impeding the outward movement of the pinion (12) along the output shaft (3a) is implemented by forming the helical splines (31) on the output shaft (3a) as being alternately open (31a, 31b) and closed (32a) helical splines. The thrust washer (21), for bearing the outward axial force of the output shaft (3a), is disposed in the front bracket (5) of the starter in front of the front bearing (16) and opposed to the front end (3d) of the output shaft (3a). Both the stopper mechanism and thrust washer configuration according to the invention allow for a reduced diameter of the output shaft (3a). The reduced diameter of the output shaft, in turn, affords the option of making the pinion (12) smaller in diameter.

REFERENCES:
patent: 1144097 (1915-06-01), Bendix
patent: 2818735 (1958-01-01), Sabatini
patent: 4455490 (1984-06-01), Giardini et al.
patent: 4902905 (1990-02-01), Morishita
patent: 4929857 (1990-05-01), Isozumi
patent: 5035151 (1991-07-01), Isozumi
patent: 5169245 (1992-12-01), Harada et al.
patent: 5199309 (1993-04-01), Isozumi
patent: 5379622 (1995-01-01), Saito et al.

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