Patents by Inventor Derek A. Harrison

Derek A. Harrison 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).

  • Positive locking, trigger grip, external operating handle assembly for network protector enclosures
    Patent number: 6958456
    Abstract: A handle assembly for a network protector where the network protector includes a circuit breaker and a housing assembly, the circuit breaker having a trip bar structured to move between a first position and a second position corresponding to an open and closed position of the circuit breaker, respectively, the housing assembly having a sidewall with an opening. The handle assembly includes a linkage assembly, a shaft assembly, a handle member and locking assembly. The shaft assembly has a shaft, where the shaft rotatably is disposed in the opening and structured to move between a first and second position. The handle member has an elongated body and an elongated grip extending generally perpendicular to the handle body. The handle body is coupled to, and structured to rotate, the shaft. The locking assembly has an elongated release grip.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: October 25, 2005
    Assignee: Eaton Corporation
    Inventors: Arthur James Jur, Kevin Michael Davis, Douglas Michael Brandt, Mark Andre Faulkner, Derek A. Harrison