Patents by Inventor Rudolf Hanninger

Rudolf Hanninger 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).

  • Machine tool
    Patent number: 5263918
    Abstract: A machine tool has a spindle rotating in a headstock and has, further, a gripper for transferring a toolholder from an uncoupled position into a ready-to-couple position within the spindle. A coupling mechanism is provided for further transferring the toolholder from the ready-to-couple position to a couple position within the spindle in which the toolholder can be rigidly connected to the spindle for rotation therewith. In order to control the transferring steps, a sensor is provided for detecting whether the toolholder is in its couple position.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: November 23, 1993
    Assignee: Chiron-Werke GmbH & Co. KG
    Inventors: Eugen Ruetschle, Hans-Henning Winkler, Rudolf Hanninger