Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1985-06-19
1987-06-02
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record medium
In container
220337, 242199, G11B 2302
Patent
active
046708090
ABSTRACT:
A hinge assembly for an access door of a videocassette is formed of intergral interlocking projections of the housing and the door, which projections are grooved to accept a straight portion of a torsion spring and thereby provide a knuckle joint of the hinge assembly.
REFERENCES:
patent: 3809219 (1974-05-01), Esashi
patent: 4130221 (1978-12-01), Peterson
Anderson David W.
Heinz A. J.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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