| 摘要 |
PURPOSE: A structure of guiding a tray of a disk drive is provided to have mobile guide ribs for guiding the motion of the tray and a separation prevention rib, so as to prevent the spacing between mobile guide rails and the mobile guide ribs from being varied. CONSTITUTION: A try leads a disk. A main base(10) in which the tray(20) is rotatively mounted. Mobile guide rails(13,13') installed on an upper surface of the main base(10) guides the motion of the tray(20). Mobile guide ribs(26,26') are formed to have predetermined spacing with the mobile guide rails(13,13') on a lower part of the tray(20), to move the tray(20) along the mobile guide rails(13,13'). A separation prevention rib(15) having predetermined length is formed to have predetermined spacing with the mobile guide ribs(26,26') in parallel in one part of the main base(10). And a reinforcement rib(17) reinforces a strength of the separation prevention rib(15) in one side of the separation prevention rib(15).
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