| 摘要 |
A pinion gear is fixed on a rotating shaft of a motor for supplying a driving force of a plurality of driving mechanisms. A speed reducing gear is engaged with the pinion gear, and a sun gear is engaged with a speed reducing gear. A planet worm includes a spur gear portion and a worm gear portion. The spur gear portion is engaged with the sun gear. The planet worm is supported so as to be rotatable around the shaft of the sun gear. When the planet worm is rotated to be positioned adjacent to the cartridge room, the worm gear portion is engaged with a rewind spur gear of a gear train. The rotational force of the motor is transmitted to a rewinding fork through the gear train, and then the rewind fork is rotated.
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