B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 3/06 (2006.01) B65H 3/10 (2006.01) B65H 3/34 (2006.01)
Patent
CA 2292308
A sheet feeder for feeding sheets from a sheet stack, having a feed deck for supporting the sheet stack and a pair of spaced apart parallel guide rails on the feed deck for receiving the sheet stack between the guide rails. A sheet feeding assembly is mounted in proximity to a sheet feeding end of the feed deck and is operative to feed individual lowermost sheets from the sheet stack, the sheet feeding assembly including a continuously rotating feed drum having an inner and outer circumference and a plurality of suction openings and a vacuum assembly received in the inner circumference of the feed drum and having at least one rotating cylinder coupled to a vacuum source and movable between an actuated position for drawing air downward through the portion of the feed drum extending above the planar surface of the feed deck and a default position preventing the drawing of air through the feed drum when a vacuum is applied to the at least one rotating cylinder.
Allen Robert J.
Janatka Karel J.
Wright William J.
Macrae & Co.
Pitney Bowes Inc.
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