Disk tray formed with groove for preventing dust intrusion

Disk tray having a system for retaining a disk at a position the

Disk tray locking device for an optical system

Disk tray of optic disk drive having pressure balance device

Disk tray shifting device for an optical disk player

Disk tray shifting device for an optical disk player

Disk unit having a slide-restricting member for easy disk-exchan

Disk unit including locking plate and spring for moving a...

Disk unit with dual release mechanism for releasing cover...

Disk unit with rollers

Disk-cartridge ejecting mechanism

Disk-cassette loading mechanism

Disk-loading apparatus

Disk-reproducing apparatus with integrally formed disk table...

Door arrangement for record medium insertion opening

Door assembly for a cartridge handling device

Door assembly for an optical drive

Door assembly for optical driver

Door open-close device having translating pivot

Door opening and closing mechanism for disc driving apparatuses