Patents by Inventor Matthias Graff

Matthias Graff 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).

  • Publication number: 20120272843
    Abstract: A press having a directly driven crank mechanism, press line and method for producing a press having at least one direct drive. A press has at least one press frame, table mounted in the latter, and ram driven by means of at least one crank mechanism and die upper part and die lower part on the press table, at least one crankshaft having at least one crank pin and at least one connecting rod arranged as crank mechanism, and at least one direct drive which drives the crankshaft directly and comprises at least one rotor and one stator arranged as motor for the drive of the crankshaft. At least the stator of the motor comprises at least two power carriers, the power carriers are configured as independent and exchangeable structural units, the power carriers are arranged radially with respect to the crankshaft, and the power carriers are operatively connected individually or in sections to a control unit by supply lines.
    Type: Application
    Filed: October 30, 2010
    Publication date: November 1, 2012
    Inventor: Matthias Graff