Film strip projection apparatus

Details Film strip projection apparatus Film strip projection apparatus

G - Physics

03

B

88/83

G03B 21/44 (2006.01) G03B 1/30 (2006.01) G03B 21/10 (2006.01) G03B 23/12 (2006.01)

Patent

CA 1079554

ABSTRACT OF THE DISCLOSURE 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.

277998

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