Sheet stacking apparatus having positive control system for trailing sheet ends

Sheet stacking apparatus having positive control system for trailing sheet ends

A sheet stacking apparatus for receiving sheets from a printing or copying machine includes guide structure for directing output sheets onto an elevator platform and a selectively rotatable shaft having paddle arms disposed at a 108 DEG interval. The shaft rotation is controlled so that the arms gui...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SONNENBERG, SVEN, STEPHENS, DAVID J, MADER, RODNEY G, DURST, HOMER D
Format: Patent
Sprache:eng
Schlagworte:
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:A sheet stacking apparatus for receiving sheets from a printing or copying machine includes guide structure for directing output sheets onto an elevator platform and a selectively rotatable shaft having paddle arms disposed at a 108 DEG interval. The shaft rotation is controlled so that the arms guide a sheet during stacker input and then rotates 360 DEG to positively clear the sheet trail edge from the stacker input path.