Patent ID: 8245248

Claim:
An optical disk apparatus that performs at least one of recording and reproducing of a signal from an information recorded surface of an optical disk mounted thereon, the optical disk apparatus comprising a chassis, a disk motor, which is arranged on the chassis and on which a turntable having a disk put surface, on which the optical disk is put, is rotatably provided, an optical pickup that performs at least one of recording and reproducing of a signal from the information recorded surface of the optical disk, a pair of guide shafts arranged on the chassis to movably support the optical pickup to guide the same radially of the optical disk, an adjustment member that moves at least one end of the guide shaft in a direction substantially perpendicular to a surface of the chassis, and a bias member arranged on an opposite side to the adjustment member with one end of the guide shaft interposed therebetween and biasing the one end of the guide shaft toward the surface of the chassis, and wherein the bias member includes a support surface, which supports the one end of the guide shaft, and a stopper portion projecting from the support surface to abut against the surface of the chassis to define a clearance between the support surface and the surface of the chassis, wherein the stopper portion and the surface of the chassis are separated from each other when the one end of the guide shaft is arranged in the clearance.