Optics: motion pictures – Removable film strip magazine type
Patent
1982-03-16
1984-10-02
Gonzales, John
Optics: motion pictures
Removable film strip magazine type
352183, G03B 130
Patent
active
044744439
ABSTRACT:
A device for feeding a film from a patrone in a camera, in which the film is fed by an endless caterpillar belt having pawls for engaging with film perforations. The caterpillar belt is positioned in a camera so as to match the film perforations between two film guides of the camera and is extended parallel to the film feeding direction. The caterpillar belt is driven by a set of a driving pulley and a driven pulley. The section of the pawls, taken along the film plane, is shaped to have a circular arc contour so as to contact only with the vicinity of the central portion of each film perforation.
REFERENCES:
patent: 1927062 (1933-09-01), Conn
patent: 2351999 (1944-06-01), Nerwin
patent: 2695545 (1954-11-01), Evans
patent: 3938721 (1976-02-01), Staneck et al.
Hara Hiroshi
Kameyama Nobuyuki
Komatsuzaki Hiroshi
Nakayama Shigeo
Sekine Jiro
Fuji Photo Film Co. , Ltd.
Gonzales John
Razzano Pasquale A.
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