Patent ID: 6373812
Filing Date: 2002-04-16
Classification: G11B

Abstract:
A disk player to record and/or reproduce information to/from a disk, comprising:an optical pickup unit, supported by guide shafts installed on a base, to record and/or reproduce the information by emitting an optical beam onto the disk while moving along the guide shafts; a transfer motor; a lead screw rotated by said transfer motor, to transfer a driving force of said transfer motor to move said optical pickup unit in a first direction; adjustment means for adjusting a tilt of said optical pickup unit by moving first ends of the guide shafts up and down in a second direction; and a power transfer portion comprising a threaded portion coupled to said lead screw, said power transfer portion being installed at said optical pickup unit to be capable of relatively rotating the threaded portion with respect to said optical pickup unit, wherein, as said optical pickup unit moves up or down, the threaded portion of said power transfer portion and said optical pickup unit rotate relative to each other about an axis perpendicular to both the first and second direcions so that a gear engagement state between the threaded portion and said lead screw is maintained.