Patents by Inventor Gerhard R. Held

Gerhard R. Held 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).

  • Patent number: 4203258
    Abstract: In a gear finishing or other machine having a base, a table support mounting a reciprocal table having a head stock and a tail stock for supporting a workpiece gear or spline to be finished, a pedestal on the base mounting a motor-operated transmission and a depending machine head mounting a power-driven abrasive honing, or other type finishing gear rotatable upon a horizontal or vertical axis, the table support or head being relatively adjustable with respect to the other to bring the workpiece teeth into operative position with respect to the teeth of the finishing gear. The improvement which comprises a first gear train connecting said transmission to said finishing gear for rotation thereof at a predetermined speed. A drive spindle is journalled through said head stock adapted for axial drive engagement with the workpiece gear to be finished. A second gear train interconnects said transmission with said drive spindle for rotation at a predetermined speed.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: May 20, 1980
    Inventor: Gerhard R. Held