Patents by Inventor Tom Hanlon

Tom Hanlon 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).

  • Coil spring chain tensioner
    Patent number: 5647812
    Abstract: A chain tensioner having a shoe, a coil spring, and a bushing disposed through the coils of the spring. The shoe has a chain wear surface and a spring wear surface. The coil spring has a coiled section and two legs extending away from the coiled section which contact the spring wear surface of the shoe. The legs of the coil spring impart a spring force on the shoe and cause the shoe to tension a chain.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: July 15, 1997
    Assignee: Borg-Warner Automotive, Inc.
    Inventors: Randy McDonald, Tom Hanlon