B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
270/162, 270/169
B65H 3/14 (2006.01) B65H 3/12 (2006.01) B65H 3/48 (2006.01) G03B 27/62 (2006.01)
Patent
CA 1197873
ABSTRACT Apparatus for feeding sheets from a stack of sheets on sheet stack supporting tray which includes means to feed a sheet from a stack and an air injection means disposed adjacent the front of the tray to inject air between the sheet to be separated and the remainder of the stack, the air injection means injecting a planar stream of air which has portions at its ends which converge toward the center of the planar air stream thereby providing both convergence in the planar air stream and expansion in a direction perpendicular to that of the air stream resulting in improved sheet separation. In a preferred embodiment the air injection means includes an array of nozzles, the end nozzles of which are inclined toward the center of the air stream so that the air will converge over the center of the sheet stacking tray. The array of nozzles is directed at an angle down to a stack of sheets in a sheet stacking tray which has a bottom sheet feeder associated with it.
413939
Sim & Mcburney
Xerox Corporation
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