Patent ID: 7392981
Filing Date: 2008-07-01
Classification: B65H

Abstract:
1. An apparatus for aligning at least one edge of a plurality of sheets arranged one above the other in a stack, while maintaining the sequence of the sheets, said apparatus comprising: a supporting table with a leading-edge stop for aligning a leading edge of the sheets; a carrying plate, arranged upstream of the supporting table, on which carrying plate the sheets are set down in a stack with unaligned leading edges; and a sheet feeder configured to convey the sheets in the form of an imbricated stream with underlap imbrication from the carrying plate to the leading-edge stop of the supporting table to form a stack of aligned sheets; wherein said apparatus further comprises at least one blowing device for blowing air from the trailing edge of the sheets, between the conveyed sheets of the imbricated stream and the sheets of the stack of aligned sheets which are already aligned against the leading-edge stop of the supporting table.