Wide film transport and register movement

A film transport and register movement for wide format film cameras and projectors, and including:

• a base with an upstanding register plate normal thereto and having a planar aperture section and a tangentially continuing arcuate transport section concentric about a first axis spaced rearward therefrom and normal to the base, there being an aperture plate overlying and complementary to the register plate and spaced therefrom forming a film guideway for film having opposite perforated margins,
• a pair of spaced transport arms pivoted on said first axis and each aligned with a perforated margin of the film and carrying at least one retractile claw pin for penetration of the film,
• a transmission means between the transport arms and on a second axis parallel to and intermediate the register plate and said first axis and comprising, a crank shaft rotatable on said second axis and having eccentric coaxial crank pins and each engageable with one of the spaced transport arms for oscillatory movement of said pair thereof, a pair of spaced cams and each closely adjacent to one of said pair of transport arms and each shaped to project the at least one claw pin for film penetration and transport during a first oscillatory movement of the transport arms and to permit retraction thereof during a second oscillatory movement thereof,
• a drive means on a third axis laterally offset from the second axis and coupled to the transmission means between the transport arms to oscillate the same,
• and register means comprising, at least one register pin for penetration of the film, and a cam driven by the drive means and shaped to project the register pin for film penetration and registration during said second oscillatory movement of the transport arm following said preceeding first transport oscillatory movement of the transport arm and transport of the film thereby.