Patents by Inventor Ronald W. Harriman

Ronald W. Harriman 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).

  • Patent number: 5142946
    Abstract: A base member has a clamping surface and an arm extending from the base member at an angle. The arm is attached to the base member for pivotal movement and supports a power grinder for grinding a saw blade tooth by pivotal movement of the arm. The base member supports a clamp that releasably clamps the sharpener to a saw blade by engaging the blade between the clamping surface and the clamp. The base member has at least one projection adjacent the clamping surface that has insert engagement in at least one of the apertures in a saw tooth that are used for tool insert and removal of the tooth from the blade. A pair of the projections are provided for teeth that have two apertures. For teeth with one aperture only, a second projection on the base member is located on the base member for engaging a gullet portion of the tooth.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: September 1, 1992
    Assignee: Mobile Manufacturing Company
    Inventors: John N. Fappas, Jr., Ronald W. Harriman
  • Patent number: 4715255
    Abstract: A longitudinal guide track is arranged to be secured to the elongated supporting frame of a saw mill and a laterally extending arm arranged to be secured to the lower portion of a depending support of a saw carriage has followers arranged for guided movement along the longitudinal guide track for stabilizing the support member and the saw blades. The followers comprise two rollers engageable on opposite sides of the flange. The support for the rollers is spring mounted to provide resilient adjustment to irregularities in the longitudinal flange.
    Type: Grant
    Filed: October 24, 1985
    Date of Patent: December 29, 1987
    Inventor: Ronald W. Harriman