Press for web printing having intermittent paper feeding means

Claim 1

IN A PRINTING PRESS UNIT HAVING A PRINTING CYLINDER AND A FEED ROLLER FOR ADVANCING A WEB OF PAPER FOR AN ADJUSTABLE DISTANCE TO SAID PRINTING CYLINDER, THE IMPROVEMENT COMPRISING: FIRST MEANS FOR IMPARTING POSITIVE ANGULAR ACCELERATION TO SAID FEED ROLLER UP TO THE SURFACE SPEED OF SAID PRINTING CYLINDER, SECOND MEANS FOR POSITIVELY MAINTAINING SAID SURFACE SPEED OF SAID FEED ROLLER FOR AN ADJUSTABLE PERIOD OF ANGULAR DISPLACEMENT, AND THIRD MEANS FOR POSITIVELY DECELERATING SAID FEED ROLLER TO A STOP; SAID FIRST MEANS INCLUDING A FIRST SHAFT CONTINUOUSLY ROTATING AT THE SAME SPEED AS SAID PRINTING CYLINDER, A SECOND SHAFT ADJACENT SAID FIRST SHAFT AND CONNECTED TO SAID FEED ROLLER, A FIRST CAM ON SAID FIRST SHAFT, CAM FOLLOWER MEANS, AND CLUTCH MEANS INTERCONNECTING SAID CAM FOLLOWER MEANS AND SAID SECOND SHAFT; SAID SECOND MEANS INCLUDING MEANS FOR INTERCONNECTING AND DISCONNECTING SAID FIRST AND SECOND SHAFTS IN GEARED RELATIONSHIP; SAID THIRD MEANS INCLUDING AN ENGAGING MEMBER, A SECOND CAM FOR ACCELERATING SAID ENGAGING MEMBER UP TO THE SPEED OF SAID FIRST SHAFT, AND A THIRD CAM FOR ENGAGING SAID ENGAGING MEMBER WITH SAID FEED ROLLER; CONTINUED ROTATION OF SAID SECOND CAM SERVING TO DECELERATE SAID FEED ROLLER, DURING WHICH SAID SECOND MEANS DISCONNECTS SAID GEARED RELATIONSHIP.