Method by which printed sheets from a press are slowed and stacked has a system for detecting and gripping the lagging edge of a sheet to deposit it on a stack

摘要

A sensor (9) in the rear edge gripping unit (5) detaches the sheet (1) from the transfer belt (4) and by means of first (11.1) and second (11.2) cams driven by stepper motors (10.3,10.4) and levers (14.1,14.2) the gripper is moved in an elliptical path.