Patent ID: 7630152

Claim:
An optical pickup device, for use with a light source and an optical disc, said optical pickup device comprising: a condensing optical system for condensing a light flux to be emitted from the light source onto the optical disc, the condensing optical system including a correction lens; a lens holder for holding the correction lens; a main guide member and an auxiliary guide member for movably guiding the lens holder in an optical axis direction of the correction lens, while supporting the lens holder; a feed screw arranged in parallel to the optical axis direction; a feed motor for rotating the feed screw; a nut member in engagement with the feed screw and for converting a rotating movement of the feed screw into a rectilinear movement of the lens holder in the optical axis direction; an urging member held on the lens holder and for urging the lens holder against the main guide member and the auxiliary guide member by engagement with the nut member; and an optical base for supporting the main guide member and the auxiliary guide member, wherein the lens holder includes a first contact portion to be contacted with the main guide member at a first position, a second contact portion to be contacted with the main guide member at a second position different from the first position, and a third contact portion to be contacted with the auxiliary guide member, the lens holder is driven in the optical axis direction along the main guide member by the feed motor, the first contact portion and the second contact portion are contacted by the main guide member via an urging force of the urging member, and the third contact portion is contacted by the auxiliary guide member via the urging force of the urging member.