Patent ID: 6522623
Filing Date: 2003-02-18
Classification: G11B

Abstract:
A recording disk cartridge for containing therein a recording disk, comprising:a disk holder adapted to hold therein a recording disk, said disk holder having two side surfaces extending parallel to an inserting direction; a cartridge case for containing therein the disk holder, said cartridge case having side walls and bridge walls forming a cavity into which the disk holder is capable of being inserted in the inserting direction; said cartridge case has a case interference portion, said case interference portion being formed on an inner side of at least one of the side walls and the bridge walls of the cartridge case; and said disk holder has a disk holder interference portion, said disk holder interference portion being formed on at least one of said two side surfaces, and said disk holder interference portion extending in the inserting direction, said disk holder interference portion being a protrusion protuding in a direction perpendicular to a thickness direction of the recording disk as seen in the inserting direction wherein said case interference portion and said disk holder interference portion prevent an undesirable insertion of the disk holder into the cavity of the cartridge case when the disk holder is being inserted into the cavity.