Offset printing machines

Printing – Work supporting members – Grippers

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Details

101246, 271277, B41F 130, B41F 2104

Patent

active

039850749

ABSTRACT:
A rotary printing machine including an impression cylinder which has at least two grippers for gripping the forward edge of a sheet of paper for drawing the paper onto the same at each appropriate instant in each cycle of operation of the machine, the grippers being movable circumferentially of the impression cylinder and retainable in a different position which is stationary relative to the impression cylinder, to vary the relative position of the sheet of paper on the cylinder while the cylinder is rotating.

REFERENCES:
patent: 3125022 (1964-03-01), Reinhartz et al.
patent: 3431843 (1969-03-01), Kangko et al.
patent: 3534683 (1970-10-01), Barthel

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