Pneumatic extension bottom stacking

Pneumatic extension bottom stacking

Apparatus for inserting sheets at the bottom of a stack of sheets including a levitation pocket and a positive air pressure source to provide an air cushion between the stack tray and the bottom sheet in the stack. Drive belts feed sheets under the stack in cooperation with a vacuum source that defl...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: GARAVUSO, GERALD M
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:Apparatus for inserting sheets at the bottom of a stack of sheets including a levitation pocket and a positive air pressure source to provide an air cushion between the stack tray and the bottom sheet in the stack. Drive belts feed sheets under the stack in cooperation with a vacuum source that deflects the sheets against the belts and into a groove until the sheets reach the positive pressure source where they are pushed upward against the bottom of the stack.