Patents by Inventor James A. Safar

James A. Safar 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).

  • Wheel chuck
    Patent number: 4034786
    Abstract: A wide range wheel chuck in which three wheel engaging chucks are disposed on the ends of three lever arms. The lever arms are rotatably journaled at the other end to a stationary base and at a point intermediate their ends to a base that is rotatable with respect to the stationary base. Relative movement between the bases results in simultaneous equal radial motion of the chuck jaws at the first ends of the lever arms.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: July 12, 1977
    Assignee: Royal Industries, Inc.
    Inventors: Robert G. Feldmann, James A. Safar