| 摘要 |
<p>The specification describes an arrangement for the protection of a printing press for perfecting printing during changeover from first printing to perfecting printing and back again. The arrangement includes a storage and turning drum provided with adjusting means to adjust a gripper control at the turning drum, as well as mechanical and electrical means which safeguard the printing press during the system determined adjustment of function. As the storage drum is turned, the turning drum is secured against rotation. The adjustment of the gripper control at the turning drum into its respective end position is electromechanically safeguarded. The travel of a gear segment for the adjustment of control cams of the grippers of the storage drum and the travel of the storage drum itself is safeguarded by means of electric switching means, which depend on the electrical gripper control safeguard.</p> |
