| 摘要 |
PROBLEM TO BE SOLVED: To improve a sheet delivery apparatus for delivering a sheet to a sheet processing machine, having such a system wherein at least one gripper device for a sheet and the on-off control unit of the gripper device are provided and the control unit has a control cam for single surface printing and a control cam for double-side printing and the control cams have the through-opening receiving the bearing member of the cylinder of the delivery apparatus and the notch reaching to the through-opening to attach and detach the control cams with respect to the bearing members in a radial direction. SOLUTION: Both control cams are integrally constituted and positionally adjusted each other in a peripheral direction so as to bring about a contour track closed for the scanning member of the control cams. |
