Shield for magnetic tape cassettes

Details Shield for magnetic tape cassettes Shield for magnetic tape cassettes

1980-01-14

1981-12-08

Lowrance, George E.

Special receptacle or package

For holding a machine readable recording medium

For holding a tape cassette

242199, B65D 8567, B65D 5902

Patent

active

043043313

ABSTRACT:
A shield for use with a magnetic tape cassette in which the cassette is formed with a shaped boss defining an open tape transport region, the shield comprising, integrally, an apron formed with an opening for receiving the shaped boss, a ledge projecting substantially at a right angle from the inner surface of the apron for covering the open tape transport region, nibs upon a free edge of the ledge for securing the apron to a surface of the cassette, and spaced prongs extending from the inner surface of the apron for engaging cassette sprocket holes to restrain sprockets therein from turning.

REFERENCES:
patent: D221915 (1971-09-01), Goldthwaite
patent: 3272325 (1966-01-01), Schoenmakers
patent: 3743374 (1973-07-01), Glass
patent: 3746180 (1973-07-01), Spiroch
patent: 3747745 (1973-07-01), Esashi
patent: 4067629 (1978-01-01), Amatsu
patent: 4087145 (1978-05-01), Weavers
patent: 4119200 (1978-10-01), Cassidy

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