Impression cylinder combination for a press

Claim 1

AN IMPRESSION CYLINDER COMBINATION FOR A PRESS COMPRISING CYLINDER MEANS INCLUDING A CYLINDER HAVING A PERIPHERY, A HEAD SECURED TO THE CYLINDER AT EACH END THEREOF, AND SHAFT BEARINGS IN THE HEADS ADAPTED TO RECEIVE A SHAFT ON WHICH THE CYLINDER ROTATES; A GRIPER SHAFT PIVOTALLY MOUNTED IN THE HEADS, SHEET GRIPPING MEANS CARRIED BY THE GRIPPER SHAFT INCLUDING A PLURALITY OF SPACED GRIPERS, ANVIL MEANS CARRIED BY THE CYLINDER ADJACENT TO THE PERIPHERY THEREOF AND LOCATED TO BE ENGAGED BY THE GRIPPERS; AND OPERATING MEANS OPERATIVELY CONNECTED WITH THE GRIPPER SHAFT TO PIVOT THE SAME TO OPEN AND CLOSE THE GRIPPER INCLUDING A PINION SECURED TO THE GRIPPER SHAFT, A RACK MESHING WITH THE PINION, RACK MOUNTING MEANS MOUNTING THE RACK FOR MOVEMENT ON A HEAD, AN OPERATING LEVER, AN OPERATING LEVER PIVOT CARRIED BY THE HEAD AND PIVOTALLY MOUNTING THE LEVER AT A MIDPOTION OF THE LEVER PROVIDING THE LEVER WITH A RACK OPERATING END AND A CAM FOLLOWER END, THE RACK OPERATING END BEING DISPOSED RADIALLY OUTWARDLY FROM THE RACK, AND AN OPERATING CONNECTION BETWEEN THE RACK OPERATING END OF THE OPERATING LEVER AND THE RACK TO OPEN AND CLOSE THE GRIPPERS INCLUDING SPRING MEANS BETWEEN THE RACK OPERATING END OF THE LEVER AND THE RACK TO MOVE THE RACK THROUGH COMPRESSION OF THE SPRING MEANS IN A DIRECTION TO PIVOT THE GRIPPERS TO CLOSED POSITION IN CONTACT WITH THE ANVIL MEANS.