Disk cartridge

摘要

A disk cartridge having a shutter constructed slidable in both rightward and leftward directions. One surface of a cartridge casing is provided with a first guide groove formed between an upper surface of a front end wall of one half shell and a lower surface of a front end wall of the other half shell. The front end wall of the above-mentioned other half shell is partially cut out to provide a cut portion that extends up to the upper surface of the front end wall of the one half shell. By inserting a first engagement protrusion and a second engagement protrusion formed a the first slider through the cut portion into the first guide groove, the shutter is mounted on the casing body.