Automatic angle adjustment mechanism for stacking apparatus

Details Automatic angle adjustment mechanism for stacking apparatus Automatic angle adjustment mechanism for stacking apparatus

2008-07-29

2008-07-29

Mackey, Patrick (Department: 3653)

Sheet feeding or delivering

Delivering

By endless conveyor

C198S836100

Reexamination Certificate

active

11117653

ABSTRACT:
A device for stacking sheets includes a layboy, a transfer conveyor, a main conveyor, a diverting apparatus, and an accumulator. The main conveyor is pivotably mounted to a base to that it may be pivoted between an upper position and a lower position. The diverting apparatus has a plurality of diverting slats pivotably mounted to a support shaft so that the slats may be raised and lowered. When the main conveyor is in the upper position, the diverting slats are not activated, that is, they are not raised. Accordingly, when sheets are transferred along and discharged from the main conveyor, the trajectory of the sheets is basically the same as the angle of the conveyor. In contrast, when the main conveyor is in a lower position, the slats are raised. Accordingly, discharged sheets are diverted so that the trajectory of the sheets is different than the angle of the conveyor. The slats may be placed at any chosen angle. By adjusting the angle of discharge of sheets with respect to the main conveyor, interlock jamming is minimized in the accumulator. The sheet stacking device, including the diverting apparatus, is controlled by a programmable logic controller interfaced with a touch screen.

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