Separator for front edge of sheet of paper with sucker coupling guided along contour to prevent sheet from being dropped

摘要

Double suckers (1) have fixed horizontal sucker coupling (6) attached to them. Coupling is freely movable in guide (15) at end opposite to suckers. Guide is fixed to vertical rocker (9) with guide end section rotationally resting on fixed swivel axis (10). Roller (12) is freely rotationally resting on end of rocker opposite to axis (10). Suction coupling (6) is guided along tilting axis (8) of double suckers along curve contour. Suction coupling (6) is guided along tilting axis (8) of double suckers along curve contour. Curve contour overlays a further movement to the vertical and horizontal movement of the sucker coupling, which causes tilting of the lower suction surface of the suckers, so they are raised more at their front part in feed direction thus preventing tilting moment which could release sheet from suction surfaces.