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    • 10. 发明授权
    • Device for transporting a sheet for a rotary printing machine
    • US06578846B2
    • 2003-06-17
    • US09817577
    • 2001-03-26
    • Albert MaulJürgen Rautert
    • Albert MaulJürgen Rautert
    • B65H512
    • B41F21/102
    • A device for transporting a sheet for a sheet-processing machine in a processing direction includes first grippers for gripping the sheet at a leading gripper edge, as viewed in the direction of processing, the first grippers revolving in a first direction during operation. Also provided is a cylinder bearing the first grippers, and having a support surface formed at the circumference thereof for supporting the sheet gripped by the first grippers. Further provided are second grippers for taking over the leading gripper edge of the respective sheet from the first grippers, the second grippers revolving in a second direction opposite to the first direction; and at least one pair of sheet supports rotating about a rotational axis and formed with a pitch surface disposed concentric with the rotational axis, the pitch surface having an extent along the rotational axis less than the width of a respective nonprinted lateral margin of the respective sheet, and serving to press the sheet against the support surface within a respective lateral margin in regions of common normals of the support surface and the pitch surfaces. Additionally provided are suction grippers revolvable in the second direction and for taking over from the cylinder a trailing gripper margin of the sheet which has been placed on the support surface of the cylinder by the sheet supports.