Device to measure sheets of paper

摘要: The quality evaluation appts. takes each sheet (9) from a stack (8) which is examined e.g. for length, width and/or roughness of edges by test equipment (4) at measuring station (19) using video camera (22) directed the trailing edge (24) crossbar (23). successive sheets are separated rotary suction device (16), guided and positioned automatically motor-driven rollers (11), ejected continuously driven (29) on an axis (31) parallel to leading stop (18).