Torsion spring door for a videocassette

Details Torsion spring door for a videocassette Torsion spring door for a videocassette

1978-02-06

1978-12-19

Hall, George T.

Receptacles

Closures

Having means for securing or retaining closure in its closed...

220335, 220343, 16168, B65D 4516, B65D 4314, B65D 5104

Patent

active

041302214

ABSTRACT:
A torsion spring for biasing closed the door of a videocassette. A central portion of the spring provides the hinge pin for pivotably mounting the door, while its two ends are fixed respectively to the door and housing.

REFERENCES:
patent: 3187925 (1965-06-01), Chaffee
patent: 3809219 (1974-05-01), Esashi

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