Apparatus for opening expendable film cartridges

Details Apparatus for opening expendable film cartridges Apparatus for opening expendable film cartridges

1973-10-25

1976-05-11

McGehee, Travis S.

Severing by tearing or breaking

Breaking or tearing apparatus

Movable breaking tool

B26F 300

Patent

active

039557359

ABSTRACT:
A method and apparatus for opening expendable film cartridges of the type having film supply and take-up chambers joined by a hollow intermediate part having an exposure aperture. The cartridge opening apparatus has a support head for supporting a cartridge, film sensing means for sensing the type of film in the cartridge, and a movable spindle and chisel responsive to the sensing means if the film is the correct type for substantially simultaneously positioning and opening the film take-up chamber.

REFERENCES:
patent: 3494519 (1970-02-01), Koehler
patent: 3580443 (1971-05-01), Hennig
patent: 3722768 (1973-03-01), Schnellman
patent: T925002 (1974-08-01), Rosborough, Jr. et al.

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