Magnetic-tape cassette with improved anti-erase arrangement

Details Magnetic-tape cassette with improved anti-erase arrangement Magnetic-tape cassette with improved anti-erase arrangement

1983-02-07

1984-09-25

Christian, Leonard D.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

G03B 104, G11B 1532

Patent

active

044732023

ABSTRACT:
A magnetic tape cassette having two parallel rectangular major walls, and an anti-erase device adjacent a corner of the housing. A slotted recess in the edge between a first major wall and the rear housing wall receives a serrated slide whose outer surface is disposed within tangent planes to the first major wall and the rear wall. The slide is integral with an anti-erase member formed of a material having a color contrasting with that of the cassette housing, slidable parallel to the cassette rear wall. In a first position an opening in the member is aligned with an opening in the rear wall, and in a second position a portion of the member is exposed to view through the rear wall opening. In one of the two positions a sensing aperture in the major wall is closed by a control element on the anti-erase member.

REFERENCES:
patent: 3622102 (1971-11-01), Fox
patent: 4097006 (1978-06-01), Saito
patent: 4267986 (1981-05-01), Uemura et al.

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