Device for unrolling sheets

摘要

A device for unrolling sheets, with positively guided leading edges, travelling along a conveying path of a delivery of a printing machine for processing the sheets, the sheet unrolling device being formed with a first unrolling groove followed upline in the conveying direction by at least one second unrolling groove, and having a negative-pressure generator for subjecting a respective unrolling groove to negative pressure, includes a delaying device for delaying a negative-pressure increase in the second unrolling groove relative to a negative-pressure increase in the first unrolling groove; and a delivery of a printing machine combined with the sheet-unrolling device.