Patent ID: 7111313
Filing Date: 2006-09-19
Classification: G11B

Abstract:
1. A disk cartridge for rotatably accommodating therein a disk so as to be loaded into a disk driving apparatus for conducting at least one of operations for recording a piece of information into the disk and reproducing the information recorded in the disk, said disk cartridge comprising: a body case capable of rotatably accommodating the disk therein; a window opened in said body case so as to expose that surface of the accommodated disk which is to be recorded with the piece of information; a shutter provided in said body case in a manner capable of opening/closing said window; shutter driver moveably disposed within said body case having an engaging portion to be engaged with an engaged portion on the disk driving apparatus in a state where said disk cartridge is loaded in the disk driving apparatus or in the course of loading movement of said disk cartridge into the disk driving apparatus, so as to move said shutter to thereby open/close said window; a first guide provided in a convex or concave shape on an outer surface of said body case, the first guide being adapted to engage with a second guide provided on the disk driving apparatus; and a shutter regulator disposed within said body case, the shutter regulator restricting the movement of said shutter by disengageably engaging with said shutter driver and being released from the engagement with said shutter driver by being contacted by the disk driving apparatus while the engaging portion of said shutter driver contacts with the engaged portion on the disk driving apparatus.