| 摘要 |
A floppy disc drive device including a drive arm held as a result of being attracted upward. Both ends of the drive arm are loosely suspended from a rotor yoke. A drive pin is formed on the front portion of the drive arm. It loosely passes through a drive pin through hole formed in the rotor yoke. It is loosely inserted into a hole formed in the center hub. At a back edge, defining the drive pin through hole and formed so as to come into contact with the drive pin, is formed a guide path, a side of which gradually inclines backwards as it extends away from the center of rotation of the rotor yoke. When the rotor yoke with a floppy disc placed thereon is rotated, the drive pin is interposed between a front edge defining the hole formed in the center hub and a side defining the guide path, and pushed towards an outer edge defining the hole.
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