STARTER MOTOR WITH IDLE GEAR

Title:

STARTER MOTOR WITH IDLE GEAR

Document Type and Number:

WIPO Patent Application WO/2006/043579

Kind Code:

A1

Abstract:

A starter motor with an idle gear, wherein a helical spline part (61) is formed on a drive shaft (32) rotated by a motor (11) through a planetary gear mechanism (12) and an over-running clutch (13) movable in the axial direction is mounted thereon. A pinion (14) meshing with the idle gear (15) is formed integrally with the clutch inner (57) of the over-running clutch (13). A feeding flange (72) engaged with the idle gear (15) and disengaging the idle gear (15) from a ring gear (16) according to the axial movement of the pinion (14) is formed at the tip of the pinion (14). The bottom outer diameter of the gear part (71) of the pinion (14) is smaller than the outer diameter of the clutch inner (57), and the pinion (14) is formed integrally with the feeding flange (72) and the clutch inner (57) by cold forging. Thus, the starter motor simply formed, manufacturable at low cost, having high reliability and capable of engaging and disengaging the gear with and from the ring gear can be provided without increasing the number of parts.

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Inventors:

ONO HITOSHI (JP)
OKADA MICHIO (JP)
ENKAKU SHIGEYUKI (JP)
SAITO SHINYA (JP)
HORIKOSHI CHIHIRO (JP)

Application Number:

PCT/JP2005/019178

Publication Date:

April 27, 2006

Filing Date:

October 19, 2005

Export Citation:

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Assignee:

MITSUBA CORP (JP)
ONO HITOSHI (JP)
OKADA MICHIO (JP)
ENKAKU SHIGEYUKI (JP)
SAITO SHINYA (JP)
HORIKOSHI CHIHIRO (JP)

International Classes:

F02N15/06; F02N15/02; F16D41/06; H02K7/10

Foreign References:

JPH02196163A	1990-08-02
JPH09296769A	1997-11-18
JPH10288137A	1998-10-27
JPH0571449A	1993-03-23
JP2002180937A	2002-06-26

Attorney, Agent or Firm:

Takano, Yasushi (Miyamasuzaka-Toho-Estate 602 1-12-12, Shibuy, Shibuya-ku Tokyo 02, JP)

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