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US 6,962,334 B2Granted
Delivery apparatus for flat articles, especially rotary cut sheets
AssigneeEHA Spezialmaschinenbau GmbH
InventorWilli Erkelenz
Life of this patent
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Abstract
A delivery device for stacking cut flat articles such as rotary cross cut sheets has a braking table downstream of a sheet feeder which is provided with two counterrotating disks which are perforated and communicate with suction passages on the table beneath the disks to brake the sheets as they are supplied to a stacker. At the edge of this table, there is a broad slit nozzle directing a sheet of air upwardly onto the underside of the sheets which are delivered to the stacker.
Claims17
A delivery apparatus for flat articles comprising:
- a feeder for displacing a succession of flat articles in a direction along a path;
- a suction brake table along said path downstream from said feeder and having a surface at which a suction is generated to draw said articles against said surface and brake travel of said articles in said direction;
- a stacking device along said path downstream of said suction brake for collecting said articles in a stack;
- and
- at least two substantially coplanar rotary brake disks mounted on said table, forming said surface and each provided with a multiplicity of suction openings communicating, upon rotation of the respective disk, with respective upwardly open suction passages drawing air through said suction openings.
2 more elements
Dependencies are inferred from the claim text.