Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1984-12-28
1987-10-20
Wolfe, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
242198, G11B 2304
Patent
active
047018224
ABSTRACT:
A magnetic tape cassette having two symmetrical sides and which includes a cassette body having shaft-receiving holes formed respectively in right and left walls of the cassette body in such a manner that the holes are elongated in the front-to-rear direction of the cassette body. A substantially U-shaped guard panel is provided having rotary shafts on both ends engaged with the elongated holes so that the guard panel can be swung about the rotary shafts. A spring is connected between the cassette body and the guard panel to urge the latter to close the opening formed in the front wall of the cassette body.
REFERENCES:
patent: 4234140 (1980-11-01), Van Nie et al.
patent: 4386746 (1983-06-01), Okamura et al.
patent: 4449677 (1984-05-01), Ohta et al.
patent: 4519521 (1985-05-01), Yoshii
patent: 4556153 (1985-12-01), Takagi et al.
Oishi Kengo
Suzuki Osamu
Fuji Photo Film Co. , Ltd.
Wolfe John H.
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