Patents by Inventor Samuel M. Worthington

Samuel M. Worthington 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).

  • Universal single spindle pin crankshaft lathe
    Patent number: 4528876
    Abstract: A crankshaft lathe of the single spindle pin type capable of universal use with a variety of types of crankshafts. The lathe includes a single tool support mounted upon ways for movement both perpendicular and parallel to the workpiece axis. A single drive motor powers both workpiece rotation and tool movement through an indexable connection wherein the relative angular relationship between workpiece and tool drive is adjustable. Automatic controls permit the lathe to individually machine the pins sequentially of a multiple pin crankshaft.
    Type: Grant
    Filed: May 11, 1983
    Date of Patent: July 16, 1985
    Assignee: Crankshaft Machine Company
    Inventors: John E. Logue, Samuel M. Worthington