Patents by Inventor Erwin Bradl

Erwin Bradl 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).

  • Folding blade shaft of a folding cylinder
    Patent number: 5873808
    Abstract: In a folding blade shaft of a folding cylinder of a drum folding apparatus, the drive shaft and spindle are connected so that the slanting of these parts does not cause any damage to the machine. To this end, the drive shaft and the spindle are connected to each other via a disk packet and centered by a radial rocker bearing.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: February 23, 1999
    Assignee: Man Roland Druckmaschinen AG
    Inventors: Rainer Piller, Reinhard Mayr, Erwin Bradl, Herbert Lutz