Sheet-fed printing machine and method of operation
AssigneeHeidelberger Druckmaschinen AG
InventorsChristopher Berti, Bernd Herrmann, Kurt Lötsch, Arnd Schmidt, Ulrike Weisbrodt
Life of this patent
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Abstract
A sheet-fed printing machine having a feed system for feeding sheets from a sheet feeder to the sheet-fed printing machine, and an imaging device for setting an image on a printing plate disposed on the plate cylinder are provided. The feed system includes at least one oscillatingly moving pregripper and a drive device for the feed system, the pregripper being uncoupled from the drive device.
Claims18
A sheet-fed printing machine having a sheet feeder, a feed cylinder, a feed system for feeding sheets from the sheet feeder to the feed cylinder, and an imaging device for setting an image on a printing plate disposed on a plate cylinder, the feed system comprising:
- at least one oscillatingly moving pregripper and
- a drive device for the feed system, said pregripper being disengagable from said drive device.
A method of operating a sheet-fed printing machine having a feed system for feeding sheets from a feeder to the sheet-fed printing machine, which comprises:
- providing an imaging device for setting an image on a printing plate disposed on a plate cylinder;
- and
- uncoupling parts of at least one feed system for transporting the sheets from a drive, while the image is being set on the printing plate.
Dependencies are inferred from the claim text.