Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1984-09-12

1986-10-21

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record medium

In container

360 93, 242198, G11B 2302, G11B 2304

Patent

active

046189033

ABSTRACT:
A compact magnetic tape cassette suitable for digital recording in which dust is prevented from entering the cassette and contaminating the tape held therein. Slide grooves are formed in upper and lower walls of the case of the cassette, behind a central opening and side openings on either side of the central opening. Slidable guard panels which slide to close the central opening and the side openings and which are substantially U shaped in section have slides which are engaged with the slide grooves. Each of the guard panels has a through-hole in the front wall thereof which is slidable to open the respective side opening when the guard panels are urged against compression springs arranged on side portions of the front wall of the cassette case. The cassette is symmetrical in configuration.

REFERENCES:
patent: 1904097 (1933-04-01), Steiner
patent: 2867389 (1959-01-01), Viets
patent: 3815971 (1974-06-01), Land
patent: 4093149 (1978-06-01), Shroff et al.
patent: 4399480 (1983-08-01), Edwards
patent: 4470083 (1984-09-01), Doering et al.
patent: 4503474 (1985-03-01), Nigam

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