Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1993-06-03
1996-07-30
Levy, Stuart S.
Dynamic magnetic information storage or retrieval
Record medium
In container
2423472, G11B 23087
Patent
active
055417957
ABSTRACT:
A tape cassette including a housing accommodating a pair of tape reels around which a tape is wound, the housing having a front opening at a front face where the tape is exposed in a state of being stretched, and a bottom opening and a top opening which adjoin the front opening; a front cover moving between a closed position opposed to a front face of the tape in the state of being stretched for covering the front opening and an open position for uncovering the front opening; a rear cover moving between a closed position opposed to a rear face of the tape in the state of being stretched for covering the tape and an open position for exposing the tape; a top cover connected to the front cover and to the rear cover and moving between a closed position for covering the top opening and an open position for uncovering the top opening; a first restricting device for controlling the front cover so as to move along a first locus; a second restricting device for controlling the rear cover so as to move along a second locus in association with the movement of the front cover; and a third restricting device for controlling the top cover so as to move along a third locus in association with the movement of the front cover.
REFERENCES:
patent: 4449677 (1984-05-01), Ohta et al.
patent: 5023740 (1991-06-01), Sasaki
patent: 5065955 (1991-11-01), Fujii
patent: 5170962 (1992-12-01), Iwahashi et al.
patent: 5224004 (1993-06-01), Kondo
Hirabayashi Koichiro
Konishi Akio
Letscher George J.
Levy Stuart S.
Matsushita Electric - Industrial Co., Ltd.
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