Patents by Inventor Elbert I. Boyle

Elbert I. Boyle 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: 4121644
    Abstract: A tire removal tool including a base frame, an elongated lever arm spaced from the base frame, and articulated fulcrum post structure pivotally supporting the lever arm on the base frame and a tire bead engaging plate carried on one end of the fulcrum arm. A hydraulic jack is pivotally supported on the base frame beneath the opposite end of the lever arm from that which carries the bead engaging plate, and is mounted for transverse sliding movement on the base frame in a direction normal to the longitudinal axis of the lever arm. A tire positioning slide assembly is slidably mounted on the base frame for sliding movement in a direction extending parallel to the longitudinal axis of the lever arm.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: October 24, 1978
    Inventors: Elbert I. Boyle, John H. Robertson