Patent ID: 7118103

Claim:
A device for conveying sheets through a printing machine having a print head, the device comprising: a plurality of deflection rollers and a conveyor belt disposed to run over said deflection rollers, said conveyor belt being configured to receive individual sheets one after another; three mutually adjacent conveying segments defining a conveying path for the sheets, said conveying segments including a central conveying segment opposite the print head; three suction boxes each disposed at a respective one of said three conveying segments, said suction boxes having guide elements for said conveyor belt; an apparatus for adjusting a height of a central said suction box in a direction of the print head and said guide element assigned to said central conveying segment opposite the print head in accordance with a thickness of the sheets, for setting a spacing distance between a surface of a sheet to be printed and the print head, said central suction box being connected to the adjacent said suction boxes in an articulated manner, said adjacent suction boxes being pivotally mounted and articulated about respective pivot axes coaxially aligned in each case with a rotational axis of a respective said deflection roller.