Disc cartridge having a stopper member that protrudes toward a disc window

摘要

A disc cartridge according to the present invention includes a cartridge body, a shutter and a stopper member. The cartridge body includes a disc storage portion, a chucking opening and a head opening. The disc storage portion has a disc window and a bottom and stores a disc, having first and second sides, therein so that the disc is rotatable in the disc storage portion and that the first side of the disc is exposed. The shutter is supported to, and movable with respect to, the cartridge body between the second side of disc and the bottom of the disc storage portion so as to expose or cover the chucking opening and the head opening. The stopper member protrudes toward the disc window to prevent the disc from dropping down through the disc window while the shutter opens.