Patent ID: 6301078
Filing Date: 2001-10-09
Classification: G11B

Abstract:
A disc cartridge comprising:a casing constituted of an upper casing member and a lower casing member;a disc medium rotatably received in said casing;said casing being provided with openings through which a recording/reproducing device is accessible to said disc medium; anda shutter constructed of an upper plate, a lower plate and a connection plate for connecting said upper and lower plates;said upper and lower plates being movably supported on said casing and moved in slide recesses formed on an outer surface of said casing to selectively close said openings;said lower plate of said shutter being provided with a holding pawl;said lower casing member being formed on an outer surface thereof with a slide groove;said holding pawl of said lower plate being slidably fitted in said slide groove of said lower casing member;said upper and lower casing members being so formed that a side surface of said lower casing member on which said connection plate of said shutter is slid is outwardly projected toward said connection plate of said shutter beyond a side surface of said upper casing member on which said connection plate is likewise slid.