| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To smoothly chuck an optical disk by aligning the center hole of the optical disk with a pickup base. <P>SOLUTION: The disk drive unit 1 is equipped with a base unit 22 which has a unit main body 3, a disk loading section 23, a disk rotating and driving mechanism 24 for a disk recording medium 2, and an optical pickup 25, integrally on a base 27; and a base elevating mechanism 150 which moves up and down the base unit 22 among a chucking position for the disk recording medium 2, a chucking release position, and a recording/reproducing position. The unit main body 3 is provided with a guide pin 180 which guides the base unit 22 so that when the guide pin 180 is inserted into a guide hole 181 of the base 27 and the base unit 22 is elevated to the chucking position, the disk recording medium 2 and disk loading section 23 are aligned. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
