In an offset rotary printing press which is equipped with a pair of blanket cylinders which can be shifted between two ultimate positions, in which one is a blanket to blanket type printing mode with four series-contacting cylinders exclusive of an impression cylinder and the other is a satellite type...http://www.google.com.au/patents/US4442773?utm_source=gb-gplus-sharePatent US4442773 - Printing mode shifting device for blanket cylinders in offset rotary press
