Rubber-blanket cylinder engagement and disengagement device

In combination with a rotary printing press having a plate cylinder rotatable about a plate cylinder axis, a rubber-blanket cylinder, and an impression cylinder, a rubber-blanket cylinder engagement and disengagement device, comprising swivel arms whereon the rubber-blanket cylinder is journalled, said swivel arms being articulated at a frame of the rotary printing press about the rotational axis of the plate cylinder, an actuating device for swivelling said swivel arms such that said rubber-blanket cylinder approaches the impression cylinder under a given force, and an adjustable stop device disposed at a side of the frame for limiting swivelling motion of said swivel arms so as to bring about a setting thereof in a rubber-blanket cylinder engagement position, said stop device having at least one supporting element formed with a large supporting surface by which said stop device cooperates with the rubber-blanket cylinder.