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Browse by Category: Main > Optical & Optics
Class Information
Number: 352/193
Name: Optics: motion pictures > Camera and/or projector drive mechanisms > With film engaging claws reciprocally driven to engage film > Crank pin actuated > With pivoted link or arcuate slot guide
Description: Subject matter including a guide to determine the path of reciprocation of the member with the film engaging projection, the guide comprising a pivoted link or fixed slot which cooperates with a slot engaging follower.


Patents under this class:

Patent Number Title Of Patent Date Issued
4896960 High speed transport for large film formats Jan. 30, 1990
4892404 Film transport mechanism for a motion picture camera Jan. 9, 1990
3941287 Film pull-down mechanism Mar. 2, 1976



 
 
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