| 摘要 |
a cam gear in which a gear part is formed on its outer circumferential face at a predetermined angle, and a specifically shaped cam groove is formed, to thereby rotate by the power of a loading motor in a fixed area of the upper surface of the main base; an idler gear in which a rotation preventing cam part is formed, rotatively installed on one side of the cam gear, and selectively joined with the gear part of the cam gear, to transferr the power to horizontally move the tray; a moving plate driving pinion in which a rotation preventing cam part is formed, rotatively installed on the other side of the cam gear, and selectively joined with the gear part of the cam gear, to transferr the power to vertically move and clamp the tray; and a moving late, in which a cam pin inserted into the cam groove of the cam gear,is installed, to transfer linearly on the main base.
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