Patent ID: 6053061
Filing Date: 2000-04-25
Classification: F16H,G11B,Y10T

Abstract:
A sliding feed mechanism having a worm gear for moving an optical pick-up used in an optical disc drive, the mechanism comprising:a motor having a rotational shaft having an output end;a worm fixedly mounted to the rotational shaft and formed with a left-hand thread;a worm wheel which meshes with the worm; anda slider on which the optical pick-up is mounted and which is adapted to slidably move according to the rotation of the worm wheel wherein the lead angle of the worm wheel is set so as to be larger than the lead angle of the worm, and the motor is mounted so that the output end of the rotational shaft is upwardly tilted at a predetermined angle so as to provide a proper engagement between the worm and the worm wheel having said lead angle.