Top vacuum corrugation feeder with articulating suction fingers

Details Top vacuum corrugation feeder with articulating suction fingers Top vacuum corrugation feeder with articulating suction fingers

1997-01-21

1999-05-04

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separator and conveyor

271 93, 271107, 271108, B65H 510

Patent

active

058994491

ABSTRACT:
A top vacuum corrugation feeder includes articulating suction fingers to assist in raising the top sheet of a stack of sheets to the feedhead of the vacuum corrugation feeder. The suction fingers are rotated down from their interleaved position between feed belts to contact the top sheet in the sheet stack and raises the top sheet to the feed belts. As a result, the feeder can handle heavy sheets, curled sheets, and sheets which are edge welded.

REFERENCES:
patent: Re20862 (1938-09-01), Harrold
patent: 3384250 (1968-05-01), Vanhentenrijk et al.
patent: 3409149 (1968-11-01), Graux
patent: 4382593 (1983-05-01), Beran et al.
patent: 4421306 (1983-12-01), Muka
patent: 4589647 (1986-05-01), Roller
patent: 4678176 (1987-07-01), Roller
patent: 4887805 (1989-12-01), Herbert et al.
patent: 5088713 (1992-02-01), Hayashi
patent: 5290022 (1994-03-01), Sabatier et al.
Brook et al, Sheet Separator with Bolt Transport Xerox Discharge Journal, vol. 4 No. 1, pp. 55-56, Feb. 1979.

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