Magnetic tape cassette

Details Magnetic tape cassette Magnetic tape cassette

1984-08-17

1985-07-09

Moy, Joseph Man-Fu

Special receptacle or package

For holding a machine readable recording medium

For holding a tape cassette

220334, B65D 85672

Patent

active

045276919

ABSTRACT:
Magnetic tape cassette for magnetic recording and playback devices, comprising a substantially rectangular, two-part housing which has an upper main wall and an opening along its front side, along which the magnetic tape is transported from two plane-parallel positioned reels, and a pivotal front lid which partly overlaps the side walls and which release and closes the opening, and which comprises an outer cover and an inner cover by which the magnetic tape is enclosed in the closed position of the front lid being biassed by means of torsion springs, one of the pivot pins 12 on the inside wall of the side part 10a of the front lid 7 accomodating a one-armed flat spiral spring 13, the arm 16 of which, pointing towards the front lid, has a length which extends up to the outer cover 8 of the front lid, and the arm in the ready made cassette lies in a groove 18 on the front end of the upper part of the cassette. This construction ensures reliably transportable and simple mounting of the front lid and housing during assembly of the cassette and avoids the danger of the front lid being blocked in pivoting on account of the limited space between front lid and front end of the upper cassette part.

REFERENCES:
patent: 1283749 (1918-11-01), Haver
patent: 1452391 (1923-04-01), Rupert
patent: 1755063 (1930-04-01), Holden
patent: 3809219 (1974-05-01), Esashi
patent: 4365712 (1982-12-01), Oishi et al.

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