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1. (WO2001037281) DISK CARTRIDGE DEVICE AND DISK CARTRIDGE

Pub. No.:    WO/2001/037281    International Application No.:    PCT/JP2000/007889
Publication Date: Sat May 26 01:59:59 CEST 2001 International Filing Date: Fri Nov 10 00:59:59 CET 2000
IPC: G11B 23/03
Applicants: SONY CORPORATION

SANADA, Yotaro

KUSUI, Yoshio

NETSU, Naohiro

Inventors: SANADA, Yotaro

KUSUI, Yoshio

NETSU, Naohiro

Title: DISK CARTRIDGE DEVICE AND DISK CARTRIDGE
Abstract:
A disk cartridge device, comprising disk cartridges ((1, (21)) having cartridge cabinets of different sizes and thicknesses provided with an openable shutters (7, (21)) and storing disks of different diameters, respectively, and a shutter opening and closing member (9) opening the shutter by a shutter opening claw (9a) when the disk cartridge is inserted into a drive device and closing the shutters ((7, (21)) by a shutter closing claw (9b) when the disk cartridge is discharged from the drive device, wherein the shutter opening positions and shutter closing positions of the disk cartridges for larger and smaller disk diameters are made identical to each other, and the insert side end parts of the disk cartridges (1, (21)) are formed in an arc-surface shape (1a) so that the inserting direction of the disk cartridges into the drive device can be identified easily.