Patent ID: 6263793
Filing Date: 2001-07-24
Classification: B41F

Abstract:
A cylinder arrangement of a bridge printing unit comprising:a first blanket cylinder and a second blanket cylinder, said first and second blanket cylinders being adapted to be shiftable between a printing position and a non-printing position;a first plate cylinder contacting said first blanket cylinder and a second plate cylinder contacting said second blanket cylinder, said second plate cylinder being adapted to be shifted about said second blanket cylinder between an uncorrected position and a corrected position;a drive gear secured, fixed against rotation, to each of said first and second blanket cylinders and to each of said first and second plate cylinders, said drive gears forming a drive gear wheel train for the bridge printing unit;a first angle of rotation of said first plate cylinder defined by a first vertical line and a first reference point on said first plate cylinder in said non-printing position of said first and second blanket cylinders; anda second angle of rotation of said second plate cylinder defined by a second vertical line and a second reference point on said second plate cylinder when said second plate cylinder is in said corrected position, said first and second angels of rotation having the same size and opposing directions.