Three-piece structure magnetic tape cassette

Details Three-piece structure magnetic tape cassette Three-piece structure magnetic tape cassette

1980-06-25

1982-05-18

Christian, Leonard D.

Receptacles

Sectional

Knockdown

206387, 242197, 242199, B65D 612

Patent

active

043300685

ABSTRACT:
A three-piece structure magnetic tape cassette comprises an upper plate, an intermediate frame and a lower plate wherein annular bosses having counter-sunk holes are formed in the upper plate and annular bosses having threaded portions are formed in the lower plate and a seat portion is formed at the intermediate portion in clearance holes of the intermediate frame so that the ends of the annular bosses are brought into contact with the seat portion when the annular bosses are inserted into the clearance holes, and the upper plate, the intermediate frame and the lower plate are connected together with tapping screws.

REFERENCES:
patent: 3602458 (1971-08-01), Doby et al.
patent: 3653608 (1972-04-01), Dickens et al.
patent: 3834650 (1974-09-01), Hall
patent: 3857531 (1974-12-01), Jantzen
patent: 4227622 (1980-10-01), Okamura et al.

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