Patents by Inventor Heinz Schollenberger

Heinz Schollenberger 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).

  • Clamping device for a printing plate of an offset printing machine
    Patent number: 4688483
    Abstract: A clamping device for a printing plate mountable on a plate cylinder of an offset printing machine and having perforations formed at leading and trailing edges thereof, as viewed in direction of sheet travel through the machine, the clamping device includes clamping bars formed with hooks respectively engageable in the perforations formed in the printing plates, the clamping bars being disposed in a channel formed in the plate cylinder, one of the clamping bars being pivotable about a pivot point diagonally to a longitudinal direction of the plate cylinder, the pivot point being located in the cylinder channel substantially on a center line of the cylinder extending transversely to the longitudinal direction thereof, and adjusting means mounted in the cylinder channel for moving another one of the clamping bars in the longitudinal direction of the cylinder, the other clamping bar having additional degrees of freedom of movement accommodating an accompanying diagonal movement which respect to the longitudinal
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: August 25, 1987
    Assignee: Heidelberger Druckmaschinen AG
    Inventor: Heinz Schollenberger