Device for opening and closing gripper of sheet-conveying cylinder in printing machine, has gripper shaft that is connected with frame provided with two cams, and rollers which are associated with cams

摘要

The device has grippers (5) that are provided for actuating gripper shaft (3) rotatably arranged in sheet guiding cylinder. The gripper shaft is connected with frame (4) provided with two cams (K1,K2). The cams are associated with the rollers (R1,R2). The curve law of the cams is designed such that gripper is opened and closed using the respective cams.