Patents by Inventor Katrin Ewert

Katrin Ewert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Sheet guiding device for printing presses
    Patent number: 5730055
    Abstract: A sheet guiding device for printing presses, wherein, for recto printing, a sheet decurler is pivotable into a gap formed in a guide surface and, for recto/verso printing, the sheet decurler is pivotable out of the gap, a surface element of the guide surface being displaceable for closing the gap wherein the sheet decurler is engageable, includes a drive lever which, for switching to recto printing, is operatable for displacing the surface element in order to form the gap and for engaging the sheet decurler and pivoting it into the gap, the drive lever, for switching to recto/verso printing, being operatable for releasing the sheet decurler to swivel out of the gap and for engaging and displacing the surface element.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: March 24, 1998
    Assignee: Heidelberger Druckmaschinen AG
    Inventors: Stefan Dopke, Katrin Ewert