Patents by Inventor Donald L. Turk

Donald L. Turk 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).

  • Auxiliary gauging device
    Patent number: 4561281
    Abstract: An auxiliary gauging device for a press brake. One end of a locater bar is clamped to the back stop of the press brake. A locating pin is provided on the other end and is adapted to nest in a preformed hole of the work piece. The back stop is positioned relative to the forming tool of the press brake by calculating the distance between the locating pin and back stop, and subtracting the distance between the preformed hole and desired bend line.
    Type: Grant
    Filed: January 23, 1984
    Date of Patent: December 31, 1985
    Assignee: Tektronix, Inc.
    Inventors: Ry M. Tran, Floyd E. Stevens, Donald L. Turk, Kwang S. Chun