| 摘要 |
A disk drive includes: a cartridge holder that holds a disk cartridge including a disk, and has a holder opening, through which the cartridge is inserted and ejected; two guide walls arranged near the holder opening to define a direction in which the cartridge is inserted; a disk motor for rotating the disk mounted; a head for reading and/or writing information from/on the disk; a base for supporting the head and motor; first and second guide grooves cut through the holder; and first and second guide members movable along the first and second grooves, respectively, and engaging with respective portions of the cartridge. The first and second guide members move along the first and second grooves, respectively, and engage with the cartridge so as to leave a gap narrower than a gap between the walls when the cartridge is inserted but to leave a gap broader than the gap between the walls when the drive gets loaded with the cartridge, thereby opening a window in the cartridge so as to allow the head to access the disk and allow the disk motor to mount the disk.
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