Dynamic information storage or retrieval – Storage medium structure – Adjuncts or adapters
Patent
1994-08-02
1995-12-12
Levy, Stuart S.
Dynamic information storage or retrieval
Storage medium structure
Adjuncts or adapters
369289, 360133, G11B 2303
Patent
active
054756740
ABSTRACT:
Disclosed is a disc case characterized in that it allows both loading of the disc as housed in the case main body to the disc drive section and loading of the disc as a simple to the disc drive section, that it is produced with the reduced number of parts and reduced number of assembly steps so as to achieve cost reduction and enjoys extended life and high reliability, and that the opening and closing handleability of the cover is highly facilitated; the disc case comprising a rectangular case main body, having a full-face opening for fitting a data recording disc therethrough, and another opening defined at the bottom through which the data recording surface of the disc can radially be exposed; a cover plate which can close the full-face opening of the case main body; a couple of first engagement pieces, provided on the rear surface of the cover plate; a couple of second engagement pieces, provided in the case main body which resiliently engage with the first engagement pieces to lock the cover plate as closed with respect to the case main body; a protect case having a full-face opening for removably fitting the case main body therethrough; and a couple of resiliently shiftable portions formed on each lateral side wall thereof to be flexible inward, and provided with protrusions respectively at the positions close to the locations of the corresponding second engagement pieces when the case main body is fitted in the protect case; wherein these protrusions are designed to shift the second engagement pieces to be disengaged from the first engagement pieces when the resiliently shiftable portions are pushed and flexed inward to let the cover plate open with respect to the case main body.
REFERENCES:
patent: 5140489 (1992-08-01), Barnard
patent: 5208802 (1993-05-01), Suzuki et al.
patent: 5293293 (1994-03-01), Iwafa et al.
patent: 5331627 (1994-07-01), Childers et al.
Taniguchi Shuji
Yamashita Yuzo
Ditmyer Paul J.
Hokko Kabushiki Kaisha
Levy Stuart S.
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