| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical pickup device capable of suppressing the occurrence of variations in movement amount of a lens holder. <P>SOLUTION: The optical pickup device 100 includes: a lens holder 13; a stepping motor 10 for driving the lens holder 13; a nut member 12 for transferring a driving force of the stepping motor 10 to the lens holder 13; a guide unit 15d for guiding the nut 12 in an X direction, in which a pair of side surfaces 151e, 152e is formed; and a torsion coil spring 14 for biasing the nut 12 to one side surface 151e of the guide unit 15d. <P>COPYRIGHT: (C)2009,JPO&INPIT |
