Mask structure for cassettes of magnetic tape

Details Mask structure for cassettes of magnetic tape Mask structure for cassettes of magnetic tape

1987-11-23

1989-11-21

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record medium

In container

G11B 2302

Patent

active

048826456

ABSTRACT:
The mask comprises a sheet-like element having formed therein a pair of holes positionable at the hubs of a magnetic tape cassette. The holes have perimetral portions adapted to engage folded edges of openings defined by each half-shell of the cassette at the hubs. The perimetral portions are adapted to assume a curved form with concavity directed towards the hubs of the magnetic tape cassette upon said mask being coupled with one of said half-shells.

REFERENCES:
patent: 4102515 (1978-07-01), Milants
patent: 4438892 (1984-03-01), Fetterer
patent: 4535434 (1986-08-01), Kishi
patent: 4563718 (1986-01-01), Shirako

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