Film cartridge with visual film motion indicator for verifying f

Photography – Camera detail – Detachable or removable film holder unit

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G03B 1726

Patent

active

056233256

ABSTRACT:
A film cartridge comprising a filmstrip having longitudinally successive perforations, and a housing for the filmstrip having a film passage slit through which the filmstrip can be moved into or out of the housing, is characterized by a reciprocatingly movable indicator, including an actuator pawl positioned for engagement and disengagement with each perforation of the filmstrip as the filmstrip is moved through the slit to move the indicator forward and backward alternately for providing a visible motion-indication that the filmstrip is moving through the slit.

REFERENCES:
patent: 1836699 (1931-12-01), Wood
patent: 3687037 (1972-08-01), Nerwin
patent: 4335948 (1982-06-01), Cocco
patent: 4875638 (1989-10-01), Harvey
patent: 4887110 (1989-12-01), Harvey
patent: 4894673 (1990-01-01), Beach
patent: 5032861 (1991-07-01), Pagano
patent: 5255039 (1993-10-01), Miller
patent: 5264886 (1993-11-01), Byrd
patent: 5278600 (1994-01-01), Takahashi et al.
patent: 5285227 (1994-02-01), Lawther et al.
patent: 5550609 (1996-08-01), Stephany

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