AFTERLEVELLER OF SHEET STACKER Russian patent published in 1996 - IPC

FIELD: sheet stacking systems in metallurgy and machine engineering industry branches. SUBSTANCE: afterleveller of a sheet stacker, providing levelling of stacked sheets along edges of the sheet stack, includes a mounting plate, secured to a frame of a movable ruler of the sheet stacker. The mounting plate, mounted on the frame of movable ruler vertically, supports a pusher and its drive unit in the form of pneumatic cylinder, placed on the mounting plate in bearing assemblies with use of trunnions, having vertical axis. The pusher is in the form of a pendulum-type lever, secured to the vertical axle, mounted in bearing assemblies on the mounting plate. The pendulum-type lever is joined with a rod of the pneumatic cylinder by articulated joint. EFFECT: enhanced reliability of afterleveller structure, high quality of sheet levelling. 2 cl, 2 dwg