DISC CARTRIDGE

摘要

A disc cartridge includes a cartridge body, a first shutter, a second shutte r, and a rotational member. The cartridgebody includes a disc storage portion, a chucking opening and a head opening. The disc storage portion has a discwind ow and a bottom and stores a disc, having first and second sides, therein so th at the disc is rotatable in the disc storage portion and that the disc exposes the first side inside the disc window. The first and second shutters are provided on the bottom of the disc storage portion to expose or cover the he ad opening. The rotational member is provided over the first and second shutter s inside the disc storage portion and is engaged with the first and second shutters in such a manner as to open or close the first and second shutters when rotates inside the disc storage portion.