Plate feeding apparatus for printing apparatus

Details Plate feeding apparatus for printing apparatus Plate feeding apparatus for printing apparatus

1979-11-07

1981-08-04

Wintercorn, Richard A.

Photocopying

Contact printing

Machine

355100, G03B 2704

Patent

active

042819229

ABSTRACT:
A printing in which printing plates are transferred from an endless belt to a printing station and automatically aligned on a printing base plate and a flexible transparency is aligned with the printing plate. A transfer mechanism is provided between the endless conveyor belt and the printing station including a frame member rotatable about a position adjacent to the endless belt. Transfer and control rollers are provided to direct and incoming printing plates through the transfer mechanism to the printing station while maintaining proper alignment thereof. During the printing operation, the transfer mechanism is rotatable to a position which blocks light from a new printing plate upon the endless conveyor belt. A torque amplifying mechanism is provided for detaching the flexible printing sheets from above the printing plates in the printing station.

REFERENCES:
patent: 3116675 (1964-01-01), Trimble
patent: 3751164 (1973-08-01), Miller et al.
patent: 4149798 (1979-04-01), McGowan et al.

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