Patents by Inventor Richard F. Hunter, Jr.

Richard F. Hunter, Jr. 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).

  • Apparatus for sharpening a circular blade
    Patent number: 7008307
    Abstract: The present invention relates to an apparatus for sharpening a circular blade. The sharpening apparatus is adapted to be positioned adjacent a power-driven sharpening wheel at an angle. The sharpening apparatus includes an angularly adjustable tool holder for angularly positioning the circular blade against the power-driven sharpening wheel. The sharpening apparatus of the present invention also includes a blade holder that quickly and easily locks the circular blade into place for sharpening and releases the blade after sharpening is complete. The present invention provides a reasonably safe and efficient sharpening apparatus for circular blades that provides uniform, high quality sharpening of one-sided and two-sided blades of varying circumferences.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: March 7, 2006
    Assignee: Wolff Industries
    Inventors: David H. Wolff, James A. O'Donnell, Richard F. Hunter, Jr.