Adjustable width punch marking apparatus for photographic printe

Details Adjustable width punch marking apparatus for photographic printe Adjustable width punch marking apparatus for photographic printe

1979-08-06

1981-01-06

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

With film severing

83560, 346 78, G03B 2900

Patent

active

042433142

ABSTRACT:
A photographic printer has a punch marking system for placing cut and end-of-order marks on the photographic paper. The punch marking mechanism is adjustable to accommodate different widths of print paper. The punch marking mechanism includes guide rods which are positioned transverse to the path of the print paper. First and second carriage assemblies are movable along the guide path defined by the guide rods on opposite sides of the center line of the paper path. A lead screw moves both the first and second carriage assemblies along the guide path in an essentially symmetrical manner about the center line of the paper path. The punches or other marking devices are carried on the first and second carriage assemblies.

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patent: 4073588 (1978-02-01), Zangenfeind et al.
patent: 4140390 (1979-02-01), Schultheis et al.
patent: 4157221 (1979-06-01), Rauen

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