Patent ID: 6449233
Filing Date: 2002-09-10
Classification: G11B

Abstract:
A disk tray locking device, for an optical disk reproducing apparatus, comprising:a main base having a guide member being positioned at the front portion of said main base; an up-down pivoting base rotatably secured to said main base and having a protrusion projecting from one end thereof, said up-down pivoting base including a pickup unit and a spindle motor for driving a turntable; a tray being movable between a loaded position and an ejected position and having a concave region for placing a disc thereon on an upper side and a stopper formed at an underside thereof; a motor for shifting said tray between the loaded position and the ejected position; a main circuit portion for supplying an electrical signal to said motor; a bracket being movable along said guide member at least in a linear direction with respect to said tray and having a guide cam groove engraved on one surface thereof, said guide cam groove being engaged with said protrusion of said up-down pivoting base, and a locking portion unitarily formed on the other surface thereof, wherein said bracket is moved by a driving force of said motor and said locking portion comes into contact with said stopper after the shifting operation of said tray is finished; and a circuit portion disposed on one side of said main base, including a switch for sensing the position of said bracket, wherein said up-down pivoting base is lifted by a moving operation of said bracket.