Starter having pinion-rotation-restricting mechanism for use...

Details Starter having pinion-rotation-restricting mechanism for use... Starter having pinion-rotation-restricting mechanism for use...

2004-04-15

2008-03-04

Joyce, William C. (Department: 3682)

Machine element or mechanism

Engine starters

C074S00700R

Reexamination Certificate

active

07337687

ABSTRACT:
A starter for cranking an internal combustion engine is composed of an electric motor, an output shaft driven by the electric motor, a pinion gear unit helical-spline-coupled to the output shaft, and a magnetic switch for supplying electric power to the electric motor in an ON-and-OFF fashion and for engaging or disengaging the pinion gear unit with a ring gear of the engine. The pinion gear unit is made by fixedly connecting a pinion gear, a rotation-restricting ring and a bearing member together. These components are separately formed from one another and then assembled to a unitary body of the pinion gear unit. Therefore, they can be forged with simple dies, or may be manufactured by other methods such as machining.

REFERENCES:
patent: 5767585 (1998-06-01), Shiga et al.
patent: 6114772 (2000-09-01), Araki et al.
patent: 6142028 (2000-11-01), Soh

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