Patent ID: 7237249

Claim:
A disk drive with a disk cartridge mounted therein, the disk cartridge including a case with an aperture in which a disk is accommodated, a rotating wheel with a first gear formed on an outer circumference thereof and rotating to open and close the aperture, and a latch to lock the rotating wheel when the aperture is closed, the disk drive comprising: a main body; a tray on which the disk cartridge is mounted and being loaded into and unloaded from the main body; an opening and closing member formed on the main body, including: a second gear rotating the rotating wheel by meshing with the first gear, and a first protrusion formed on a first end of the second gear and temporarily rotating the rotating wheel so that the first and second gears mesh; and a guide formed on a side of the tray to push the first protrusion during the loading/unloading of the tray so that the first protrusion does not contact the latch.