Film strip projection apparatus

摘要

A projector for continuously screening a strip of transparency film having perforated margins includes means for feeding said strip in a closed path defined by said feeding means. The feeding means comprise two endless conveyor belts which are spaced apart so as to support said perforated strip margins and which are each provided with at least one lug releasably engageable in a respective perforated margin with a snap fit for anchoring the two ends of the strip to the belts and forming a loop of film.