| 摘要 |
An optical disc apparatus according to the present invention includes a disc rotation mechanism 2 for allowing an optical disc 1 having an information recording face to be placed thereon and rotating the optical disc 1; an optical pickup 3 including an engaging section and irradiating the information recording face with a light beam to perform at least one of information recording and information reproduction; a base main body 13 for rotatably supporting the optical pickup and having the disc rotation mechanism; a driving source 5, supported by the base main body, for generating a force for rotating the optical pickup; and a driving force transmission mechanism 610 supported by the base main body, including a worm, and engaged with the engaging section to transmit a driving force of the driving source to the optical pickup, thereby rotating the optical pickup. A distance between the engaging section and a rotating axis of the optical pickup is longer than a distance between the center of gravity of the optical pickup and the rotating axis of the optical pickup.
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