Patent ID: 7566054
Filing Date: 2009-07-28
Classification: B65H

Abstract:
1. A stacking device for sheet products, comprising at least one wheel; rotary actuation means connected to said wheel for actuation thereof; at least one plurality of substantially tangential receptacles provided in a peripheral region of said wheel and which are suitable to accommodate already-folded sheet products which are fed from conveyor means at at least one pick-up station; at least one first product deposition station, which is provided with a first fixed stop element which is suitable to engage the products accommodated in said receptacles and with a first movable supporting surface which is suitable to pick up a first stack of sheet products extracted from said receptacles; and at least one second product deposition station, which is provided with a second upper stop element and a second lower stop element, which are movable in opposition and are both suitable to engage the sheet products accommodated in said receptacles, and with a second movable supporting surface, which is suitable to pick up a second stack of sheet products extracted from said receptacles, wherein said wheel comprises a first disk and a second disk which are flat and mutually parallel and opposite and wherein said rotary actuation means comprise at least one shaft, said first and second disks being keyed rigidly along said at least one shaft, and being provided with respective pluralities of peripheral receptacles, said second upper movable stop element being substantially plate-shaped, being provided with at least one central slot and being arranged between said first disk and said second disk.