Patents by Inventor Donald F. Cart

Donald F. Cart 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).

  • Mechanical linkage characterizer
    Patent number: 5038824
    Abstract: A mechanical linkage characterizer for varying the movement of one output linkage with respect to an input from a linkage includes a generally box-like housing with a carriage mounted on tracks within the housing with a pivotally mounted output arm carried on the movable carriage and a pair of elongated variable contour stationary cams positioned adjacent the track for pivotally moving the output arm in response to movement of the carriage along the tracks.
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: August 13, 1991
    Inventors: Michael L. Hyde, Donald F. Cart
  • Mechanical linkage characterizer
    Patent number: 4924719
    Abstract: A mechanical linkage characterizer for varying the movement of one output linkage with respect to an input from a linkage includes a generally box-like housing with a carriage mounted on tracks within the housing with a pivotally mounted output arm carried on the movable carriage and a pair of elongated variable contour stationary cams positioned adjacent the track for pivotally moving the output arm in response to movement of the carriage along the tracks.
    Type: Grant
    Filed: January 24, 1983
    Date of Patent: May 15, 1990
    Inventors: Michael L. Hyde, Donald F. Cart