Drive cylinder with movable grab
OwnerRainer WIELANDinventor
Life of this patent
Estimating the term…
Abstract
Sheets are conveyed through a printing or coating machine having at least one gripping assembly for gripping and holding a leading edge of a sheet to be transported and lying in at least one recess of the cylindrical transport drum and rotating with the cylindrical transport drum about its rotation axis. This grab and the respective support of the gripping assembly are moved by a drive provided in or on the cylindrical transport drum during a predetermined or predeterminable angular travel of the cylindrical transport drum along a straight path tangentially to an outer surface of the cylindrical transport drum.
Claims19
A cylindrical transport drum for conveying sheets in a printing or coating machine having at least one gripping assembly for gripping and holding a leading edge of a sheet to be transported and lying in at least one recess of the transport drum and rotating with the cylindrical transport drum about its rotation axis wherein a drive is provided in or on the cylindrical transport drum that moves the grab of the gripping assembly during a predetermined or predeterminable angular travel of the cylindrical transport drum tangentially to an outer surface of the cylindrical transport drum.
A method of conveying sheets in a printing or coating machine having at least one gripping assembly for gripping and holding a leading edge of a sheet to be transported and lying in at least one recess of the cylindrical transport drum and rotating with the cylindrical transport drum about its rotation axis wherein the grab and the respective support of the gripping assembly is moved by a drive provided in or on the cylindrical transport drum during a predetermined or predeterminable angular travel of the cylindrical transport drum tangentially to an outer surface of the cylindrical transport drum.
(canceled)
Dependencies are inferred from the claim text.