Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Patent
1992-07-28
1994-09-27
Dzierzynski, Paul M.
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
360 9908, 360133, G11B 1704
Patent
active
053512286
ABSTRACT:
An optical disk drive unit has an opening portion formed in a body case to insert an optical disk cartridge having an optical disk therein into the body case and take the optical disk cartridge out of the body case; a driving device for receiving and rotating the optical disk; and a rotatable shutter for opening and closing the opening portion. A leg portion extends from a shutter body. A center of rotation of the leg portion is located on a side of the driving device disposed within the body case and away from the opening portion of the body case. No closing operation of the shutter body is influenced by mounting the optical disk cartridge into the body case. At least one face of the shutter may be constructed by an arc face having a shape approximately equal to the shape of an arc around the center of rotation. A projecting portion may be disposed outside the shutter. In this case, a lower portion of the projecting portion comes in contact with the optical disk cartridge after an end portion of the projecting portion comes in contact with the optical disk cartridge.
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Kanno Tetsuo
Okamoto Akihiko
Dzierzynski Paul M.
Nguyen Kiet T.
Ricoh & Company, Ltd.
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