Material or article handling – Apparatus for moving intersupporting articles into – within,...
Patent
1991-01-02
1993-03-30
Bartuska, F. J.
Material or article handling
Apparatus for moving intersupporting articles into, within,...
4147891, 4147902, 414907, B65H 3138
Patent
active
051978490
ABSTRACT:
A stack squaring device, particularly for squaring a stack consisting of a plurality of thin sheets, includes a horizontal conveyor to transport the stack in a direction of conveyance from a reception area, via a squaring area into a discharge area. A stack stop extends in a direction perpendicular to the direction of conveyance of the stack, is disposed in the discharge area and is movable in the stack conveyance area. Two contact plates are disposed at the sides of the stack and at least one contact plate constitutes a vibrator plate which is connected to a vibrator drive unit. A bearing plate is provided beneath the stack. A pressing plate is lowered vertically onto the stack, whereby the pressing plate and the bearing plate are guided relative to one another in the direction of a common axis, preferably in the direction of a vertical axis. The dimensions of the pressing plate and the bearing plate are smaller than the cover surface of the stack. A gripper including tines for grabbing a stack is disposed in an engagement area which is at least freely accessible from one side of the squaring device and disposed underneath and above the squared stack. The stack is disposed between the pressing plate and the bearing plate, so that the squared stack can be grabbed without hinderance from a direction perpendicular to the direction of the common axis.
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Bartuska F. J.
Gordon Stephen T.
System GmbH
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