Sheet feeder and method of separating sheets

At least the top part of the stack of sheets (2) is partially curved by a base plate (1). At least two friction wheels (7) positioned apart from each other on the top of the stacked sheets press partly and/or intermittently on the top of the stack. At least one friction wheel is driven so that the a...

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Bibliographische Detailangaben
Hauptverfasser:	JOEHR, HANS, FLUEHMANN, URS, LEHMANN, PETER, AMBUEHL, HERRMANN, HERRMANN, BERND, LUETHI, RUDOLF, GREIVE, MARTIN
Format:	Patent
Sprache:	eng ; fre ; ger
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:	At least the top part of the stack of sheets (2) is partially curved by a base plate (1). At least two friction wheels (7) positioned apart from each other on the top of the stacked sheets press partly and/or intermittently on the top of the stack. At least one friction wheel is driven so that the adhesive surfaces pressing onto the top of the stack are moved towards or away from each other. A gap (14) is formed between the two topmost sheets in the stack. The base plate (1) consists of one or more movable pick-up pieces picking up the topmost sheet and drawing it off the stack.