Precision pin registered film gate
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United States of America Patent
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Jun 25, 1996
Grant Date -
N/A
app pub date -
Aug 19, 1994
filing date -
Aug 19, 1994
priority date (Note) -
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Abstract
A film registration and gate assembly has a gate with focal positioning location for focal positioning of an image frame of a strip with edge perforations. Undersized first and second pins enter a pair of transversely aligned perforations of the film to register the image frame within the positioning location. A second pair of undersized pins transversely aligned perforations positioned along the filmstrip from the first pair of pins perforations entered by the first and second pair of pins. The first pair of registration pins provides constraint to the film in three degrees of freedom. The second pair of pins is spring-loaded to provide the nesting forces needed to ensure proper contact between the film and the pair of registration pins and the force required to assure that the film follows the contour of the gate's surface.
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