Patent ID: 6742896
Filing Date: 2004-06-01
Classification: G03B

Abstract:
A film trap and gate assembly for motion picture projectors, comprising:a film movement channel, said film movement channel formed from a first member and a second member, said first member comprising first and second film trap rails and said second member comprising first and second film gate rails, the first trap rail and the first gate rail being respectively oppositely directed and the second trap rail and the second gate rail being respectively oppositely directed; said film movement channel having a thickness oft and a width of w, wherein t is greater than the thickness of motion picture film and w is greater than the width of motion picture film; wherein w is greater than t; and wherein motion picture film is disposed within and freely traverses said film movement channel and the spacing between the first trap rail and first gate rail and the spacing between the second trap rail and the second gate rail is such that surfaces do not touch whereby the portion of the film passing between the oppositely opposed rails provides sufficient clearance for the film to traverse freely through the space.