CLUTCH MECHANISM, REDUCTION GEAR AND ACTUATOR

摘要

PROBLEM TO BE SOLVED: To provide a clutch mechanism, a reduction gear and an actuator capable of enhancing the reverse input preventive function, without hindering efficient driving of a driving source.

SOLUTION: This clutch mechanism includes: a cam plate 23 rockably supported by a shaft part 27 arranged in an output member 24 and locking rotation of the output member 24 by engaging with a wheel storage part when the output member 24 tries to rotate before a worm wheel 16 being an input member; and engagement releasing pins 16e and 16f arranged in the worm wheel 16 and retreating the cam plate 23 from an engaging position with the wheel storage part by abutting on the cam plate 23 when the worm wheel 16 tries to rotate before the output member 24.

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