Patents by Inventor Donald J. Metz

Donald J. Metz 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: 12162097
    Abstract: A workpiece positioner assembly including a headstock apparatus having a motor and a headstock swing arm rotatably supported on the headstock apparatus. The headstock swing arm is configured to be rotated by the motor. The assembly includes a tailstock apparatus and a tailstock swing arm rotatably supported on the tailstock apparatus. The tailstock swing arm and the headstock swing arm are configured to support a workpiece. The assembly also includes a beam coupled to the headstock swing arm and to the tailstock swing arm to transmit rotation of the headstock swing arm to the tailstock swing arm, and a compliance assembly. The compliance assembly is provided between at least one of the headstock swing arm and the beam to enable relative movement between the headstock swing arm and the beam, and the tailstock swing arm and the beam to enable relative movement between the tailstock swing arm and the beam.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: December 10, 2024
    Assignee: YASKAWA AMERICA, INC.
    Inventors: Donald J. Metz, Alberto H. Gay, Carl S. Wiener
  • Publication number: 20220234148
    Abstract: A workpiece positioner assembly including a headstock apparatus having a motor and a headstock swing arm rotatably supported on the headstock apparatus. The headstock swing arm is configured to be rotated by the motor. The assembly includes a tailstock apparatus and a tailstock swing arm rotatably supported on the tailstock apparatus. The tailstock swing arm and the headstock swing arm are configured to support a workpiece. The assembly also includes a beam coupled to the headstock swing arm and to the tailstock swing arm to transmit rotation of the headstock swing arm to the tailstock swing arm, and a compliance assembly. The compliance assembly is provided between at least one of the headstock swing arm and the beam to enable relative movement between the headstock swing arm and the beam, and the tailstock swing arm and the beam to enable relative movement between the tailstock swing arm and the beam.
    Type: Application
    Filed: January 26, 2022
    Publication date: July 28, 2022
    Applicant: YASKAWA AMERICA INC.
    Inventors: Donald J. METZ, Alberto H. GAY, Carl S. WIENER
  • Patent number: 7434491
    Abstract: A workpiece positioner assembly comprises a headstock apparatus that is configured to rotate a workpiece A headstock interface assembly is configured to secure the workpiece to the headstock apparatus and comprises a bearing configured to enable pitch, yaw and roll movement of the headstock interface assembly relative to the headstock apparatus. The workpiece positioner assembly further comprises a tailstock apparatus configured to support the workpiece in cooperation with the headstock apparatus. The tailstock apparatus comprises a tailstock interface assembly that is configured to secure the workpiece to the tailstock apparatus. The tailstock interface assembly further comprises a tailstock bearing configured to enable axial movement of the workpiece relative to the tailstock apparatus.
    Type: Grant
    Filed: January 9, 2004
    Date of Patent: October 14, 2008
    Assignee: Motoman, Inc.
    Inventors: George H. Sutton, Jr., Donald J. Metz, Daniel W. Slanker
  • Patent number: 5355131
    Abstract: A landing light is provided for mounting on an aircraft. Electronic control devices actuate drive elements to pivot a lamphead over a range of operational positions. The electronic control device having a magnetic switch array actuated by magnets connected to the drive elements.
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: October 11, 1994
    Assignee: Grimes Aerospace Company
    Inventors: Donald J. Metz, Michael A. Forhan