Film cassette

Details Film cassette Film cassette

1974-12-24

1976-03-16

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

G03B 104

Patent

active

039441547

ABSTRACT:
The film cassette for photographic cassette cameras comprises supply and take-up chambers interconnected by a web having front and rear walls. The rear wall has a film presser surface and the front wall is provided with an exposure window defined by side walls. Fitting elevations are provided on the side walls of the exposure window extending parallel with the film transport direction. The fitting elevations commence in the plane of the film pressure surface and extend out beyond the plane which the front of the film occupies when in the pressed position against the presser surface. Guide surfaces are provided on said fitting elevations which face the longitudinal edges of the film, said surfaces lying in one common plane together with the longitudinal edges of the film. On insertion of the cassette into the camera the guide surfaces on the fitting elevations engage both the surfaces of the film and the sides of thefilm trap located in the camera.

REFERENCES:
patent: 3140832 (1964-07-01), Cech
patent: 3592404 (1971-07-01), Nerwin
patent: 3837599 (1974-09-01), Souza
patent: R20595 (1937-12-01), Bouveng

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