Compensating device that absorbs the film speed variations at the entrance and exit of the sound head in all kinds of 16 mm sound projectors. (Machine-translation by Google Translate, not legally binding)

摘要

A compensating device that absorbs the speed variations of the film at the entrance and exit of the sound head in all kinds of 16 mm sound projectors, characterized in that it is based on two levers of first genre, the power of the first of which it is a helical spring, acting radio-axially, with its support point located in the bed and the resistance formed by the point of support of the second lever, which in turn carries a roller at each end to tighten the film respectively, at the entrance and exit of the head of the steering wheel of the sound reader. (Machine-translation by Google Translate, not legally binding)