Dynamic information storage or retrieval – Storage medium structure – Adjuncts or adapters
Patent
1994-01-12
1996-05-07
Levy, Stuart S.
Dynamic information storage or retrieval
Storage medium structure
Adjuncts or adapters
360133, G11B 2303
Patent
active
055153585
ABSTRACT:
A disk cartridge rotatably accommodating a disk according to the present invention includes: a cartridge box composed of an upper half and a lower half, including a center hole for receiving a motor for rotating the disk, a head slit for receiving a recording and playback head, and a window on its side wall; a shutter movably provided on the cartridge box, for opening or closing at least the head slit; a slide member covering the window, connected to the shutter and slidably guided inside the cartridge box so that the shutter moves in a direction for opening or closing the head slit; and a twisted coiled spring which is provided inside the cartridge box so as to pass thorough the window, one end of the elastic body being fixed to the cartridge box and the other end thereof being fixed to the slide member, the elastic body pulling the shutter in a direction for closing the head slit.
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Ditmyer Paul J.
Levy Stuart S.
Matsushita Electric - Industrial Co., Ltd.
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