Patents by Inventor James R. Kotala

James R. Kotala 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).

  • Electrical bus duct with torque indication nut
    Patent number: 4029379
    Abstract: A torque indicating nut for use with a complimentary bolt. The bolt and nut assembly is utilized to join sections of electrical bus duct and the electrical conductors contained therein. The torque indicating nut comprises three sections: an engaging section, a driving section and a bridging section. The engaging section is threaded onto the complimentary portion of the previously mentioned bolt and rotated thereon to complete the assembly of adjacent sections of electrical bus duct and the conductors contained therein. When a predetermined value of torque has been reached at the driving section of the torque indicating nut, the bridging section fractures or breaks and falls away.
    Type: Grant
    Filed: September 14, 1973
    Date of Patent: June 14, 1977
    Assignee: Westinghouse Electric Corporation
    Inventors: James R. Kotala, William W. Hamilton