Patent ID: 6181663
Filing Date: 2001-01-30
Classification: G11B

Abstract:
A disk apparatus comprisinga main body chassis for supporting said disk apparatus,a tray for mounting a disk thereon,movable support means for movably supporting said tray in order to accommodate and eject said tray within the disk apparatus,stopping means for stopping said tray in said main body chassis and further for engaging a lock arm for locking said tray so as to be locked and unlocked freely,actuator means having a field system means composed of a ferromagnetic element formed and magnetized in a flat plate, a coil wound and formed flatly and a cam, whereby said actuator means provides a rotating torque responsive to providing a current to said coil, andwherein said stopping means is engaged with said lock arm, and wherein said lock arm unlocks said tray responsive to said cam of said actuator means moving said lock arm.