Patent ID: 7266058

Claim:
An objective lens drive for adjusting the tilt of an optical axis of an objective lens to be used for radiating light onto a recording medium, the drive comprising: a lens holder for holding the objective lens; a plurality of suspensions which are at one end thereof fixed to right and left sides of said lens holder, support said lens holder in a cantilever fashion, and are provided so as to extend in a direction perpendicular to focusing and tracking directions; a suspension holder for supporting the other end of the plurality of said suspensions; first and second piezoelectric elements which attach said suspension holder to a carriage, which are fixed at one end thereof to said carriage and which are provided so as to extend in the tracking direction, said first piezoelectric element attaching to a first side surface of said suspension holder and said second piezoelectric element attaching to a second side surface of said suspension holder opposite to said first side surface; and axial support means for axially supporting said suspension holder so that the suspension holder is rotatable in a radial direction of said recording medium, wherein torque is applied to said suspension holder by means of displacement of said first piezoelectric element in a first direction and displacement of said second piezoelectric element in a second direction opposite said first direction, so that said suspension holder is rotated in the radial direction of said recording medium.