Film magazine

Details Film magazine Film magazine

1990-01-24

1990-12-25

Mathews, A. A.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354211, 242 711, G03B 1726

Patent

active

049807137

ABSTRACT:
The film magazine in the invention includes a pair of pinch rollers for pinching a film reeled out from a film roll container against a flat back tray of the magazine. Release means are provided to release the film from the pinch rollers at the time of mounting the film magazine onto the body of the camera. The pinch rollers are urged so as to pinch the film against the back tray after the film magazine is demounted from the body of the camera. This arrangement makes it possible to restrain the film in the film magazine until it is mounted to the body of the camera. Once the film magazine is mounted on the body of the camera, the restraining mechanism is automatically released to allow free movement of the film.

REFERENCES:
patent: 461306 (1891-10-01), Blair
patent: 949450 (1910-02-01), Scotchmer
patent: 1898232 (1933-02-01), Widmann
patent: 4219266 (1980-08-01), Carter
patent: 4340292 (1982-07-01), Koch et al.

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