| 摘要 |
PURPOSE:To reduce the size of a loading mechanism, especially of a slide plate and to minimize the size of a device by moving a backet and a setting member using one double-sided cam having a prescribed cam groove. CONSTITUTION:A cam groove 416 on one side surface of the double-sided cam 408 is engaged with a cam follower 318 of a slide plate 310 for sliding the backet 200 for guiding a magnetic sheet pack. On the other hand, a cam groove 417 on the other side surface of the double-sided cam 408 is engaged with a cam follower 604 of a main arm 600 of the setting member for the pack. By rotating the double-sided cam 408 in the direction of A, the backet is descended after moving horizontally via the slide plate 310. At that time, the cam is rotated but the slide plate is stopped provided the cam groove curvature is constant, and in the meantime, the main arm 600 is descended horizontally by the cam groove 417, thus simplifying the loading mechanism and hence reducing the size of a device.
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