| 摘要 |
A coaxial type starter with an overrunning clutch device has a clutch inner member which is provided with a cylindrical portion formed integrally therewith and extended forwardly; is rotatably supported by first and second bearings spaced apart in the axial direction so that they bear the cylindrical portion; and has a helical spline at the inner circumferential surface so as to be engaged with a helical spline formed at the outer circumferential surface of an output rotary shaft inserted in the clutch inner member so that a rotating force by the armature rotary shaft is transmitted to the output shaft. Or, in the coaxial type starter device, a carrier of the planet gear wheel speed-reducing device is formed integrally with a clutch outer member of the overrunning clutch device; the carrier is supported by a first bearing mounted on the front end portion of the armature rotary shaft; and the clutch outer member is supported by a second bearing fitted to a clutch inner member at a position adjacent to the front end of a roller in the overrunning clutch device.
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