Device for replacing printing plates in rotary printing presses

Details Device for replacing printing plates in rotary printing presses Device for replacing printing plates in rotary printing presses

1995-04-17

1996-06-18

Bennett, Christopher A.

Printing

Print plate feeding or delivering

1014151, B41F 2100

Patent

active

055267475

ABSTRACT:
The present invention relates to a device for replacing printing plates in rotary printing presses. The printing presses include plate cylinders with a gap for receiving both ends of a printing plate while the surface of the printing plate is wound around the plate cylinder. The device includes a ramp for receiving a printing plate on the plate cylinder after the plate has been released by the clamping mechanism of the plate cylinder, and a ramp for feeding a new printing plate to the plate cylinder. The invention is characterized by horizontally movable holding elements provided close to the outer cylindrical surface of the plate cylinder. The holding elements hold the front edge of a printing plate to be fed, until pivotable holding devices, grip the front edge of the printing plate to be fed to bring it in contact with the outer cylindrical surface of the plate cylinder.

REFERENCES:
patent: 5111744 (1992-05-01), Wieland
patent: 5218907 (1993-06-01), Komori et al.
patent: 5361699 (1994-11-01), Compera
patent: 5443006 (1995-08-01), Beisel et al.

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