Arrangement for the parallel tensioning of printing plates

Details Arrangement for the parallel tensioning of printing plates Arrangement for the parallel tensioning of printing plates

1990-10-31

1991-12-31

Wiecking, David A.

Printing

Flexible-sheet-securing devices

51364, 51367, 51368, 51370, 101378, B41F 128, B41F 2100

Patent

active

050761676

ABSTRACT:
In order that the tension, particularly of large printing plates, and their automatic retensioning, may be regulated uniformly over the entire width without having an adverse effect on the final tensioning by means of tensioning screws (11), a tensioning lever (15, 16) is associated with each tensioning screw and is pivotally connected to a divided rear tensioning bar (4). The tensioning levers bear via lugs (17) on a pressure strip (9) movable in the cylinder gap, there being springs (12) acting on the free ends of the levers.

REFERENCES:
patent: 4712476 (1987-12-01), Jeschke
patent: 4831931 (1989-05-01), Jeschke et al.

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