Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1991-04-11
1993-02-16
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 23093
Patent
active
051876299
ABSTRACT:
A cassette comprises a housing which accommodates a magnetic tape partly wound on two reel hubs. A main wall of the housing has two openings which are coaxial with the reel hubs to allow the passage of reel spindles of a drive apparatus. The cassette further comprises a slide cover for covering the openings, which slide cover comprises blocking members which can cooperate with the reel hubs to inhibit their rotation. For this purpose the wall with openings has diametrically opposed recesses or cut-outs to allow the blocking members to engage with inner teeth provided in the reel hubs.
REFERENCES:
patent: 4304331 (1981-12-01), Minkow
patent: 4322000 (1982-03-01), Struble
patent: 4497008 (1985-01-01), Schoenmakers
patent: 4618903 (1986-10-01), Oishi et al.
patent: 4678138 (1987-07-01), Nemoto
Bernauer Gunther
Dewolf Jan
Koningsberger Marco V.
Stoger Anton
Vollmann Norbert C.
U.S. Philips Corporation
Wieghaus Brian J.
Wolff John H.
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