Patents by Inventor Colin Cantrell

Colin Cantrell 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).

  • Pulley removal tool
    Patent number: 7661182
    Abstract: A pulley removal tool. The tool includes circular base having a working side and a wrench engaging side. U-shaped flanges extend outwardly from the reverse side of the base. The flanges having fingers and groves therein sized and shaped for close mating engagement drive groove outer surface features of a selected serpentine belt pulley. A threaded drive bolt is provided for working engagement with a shaft end, so that by mechanical leverage between the pulley removal tool and the threaded drive bolt, force is exerted on the shaft end to drive the pulley removal tool away from the shaft end while the pulley removal tool securely grasps the pulley.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: February 16, 2010
    Inventor: Colin Cantrell
  • Pulley removal tool
    Publication number: 20060053610
    Abstract: A pulley removal tool. The tool includes circular base having a working side and a wrench engaging side. U-shaped flanges extend outwardly from the reverse side of the base. The flanges having fingers and groves therein sized and shaped for close mating engagement drive groove outer surface features of a selected serpentine belt pulley. A threaded drive bolt is provided for working engagement with a shaft end, so that by mechanical leverage between the pulley removal tool and the threaded drive bolt, force is exerted on the shaft end to drive the pulley removal tool away from the shaft end while the pulley removal tool securely grasps the pulley.
    Type: Application
    Filed: September 14, 2005
    Publication date: March 16, 2006
    Inventor: Colin Cantrell