Disk cartridge with shutter regulator, disk device and shutter opening/closing mechanism

摘要

A disk device 1 comprising a disk cartridge 3 and a disk 2 accommodated therein. The disk cartridge 3 includes a body case 11 : opened with a window for exposing a recording surface 5 of the disk 2 ; and provided with a shutter 26 to be moved in a manner capable of opening/closing the window. The body case 11 is provided with: a rotating body 30 in a gear shape having an outer peripheral surface exposed to the exterior of the body case; and transmission 35 for transmitting the rotation of the rotating body 30 to the shutter 26 . Provided in a disk driving apparatus for recording a piece of information into or reproducing the information from the disk 2 are: a guiding rib; and an operation rack along the disk inserting direction. Provided on an outer surface of the body case 11 is an operational-position determining groove. 17 in a recessed groove shape along the inserting direction of the disk device 1 and near the rotating body 30 , and the rotating body 30 is engaged with the operation rack while engaging the groove 17 with the guiding rib so as to conduct the positioning, to thereby open/close the shutter 26.