Patent ID: 6965497
Filing Date: 2005-11-15
Classification: G11B

Abstract:
1. An information recording medium cartridge provide with a disc information recording medium, a cartridge casing having the information recording medium accommodated therein, a shutter which opens and closes recording and/or reproducing openings arranged in right and reverse sides of the cartridge casing, a slide member having the shutter mounted thereto, and a guide mechanism which slidably mount the slide member to the cartridge casing so as to slide the shutter between a first position for closing the openings and a second position for opening the openings, characterized in that the guide mechanism is provided with a shutter contact and separation operating part, wherein during sliding from the first position to the second position, the shutter contact and separation operating part moves the shutter in a direction of separation with respect to a shutter slide face of the cartridge casing.