| 摘要 |
In a starter, an output shaft is coaxially disposed with a rotating shaft of a motor and has male helical splines formed on its outer surface. A pinion tube has female helical splines formed on its inner surface and is fitted on the output shaft with the female helical splines in mesh with the male helical splines. A pinion is provided on a non-motor-side end portion of the pinion tube so as to rotate with the pinion tube. A shift lever is configured to shift both the pinion tube and the pinion relative to the output shaft and thereby bring the pinion into mesh with a ring gear of an engine. Further, there is provided means for restricting relative rotation between the pinion tube and the output shaft when a one-way clutch is in an overrun state where the clutch inhibits torque transmission from the output shaft to the motor.
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