Patents by Inventor William Charles Pollitt

William Charles Pollitt 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 switching apparatus and clinch joint assembly therefor
    Patent number: 9947498
    Abstract: A movable contact assembly for an electrical switching apparatus is provided. The movable contact assembly includes a number of shunts, and, a carriage assembly including two sidewalls and a contact arm assembly. The carriage assembly sidewalls are disposed in a spaced relation. The contact arm assembly includes a plurality of contact arms, a number of isolation members, a number of movable contacts, and an axle. Each contact arm defines an opening. One movable contact is disposed on each contact arm. Each contact arm is rotatably coupled to the axle with the axle extending through the contact arm opening. Each isolation member is disposed adjacent at least one contact arm. Each isolation member is coupled to, and in electrical communication with the adjacent contact arm. The shunts are coupled to, and in electrical communication with, the isolation members. In this configuration, no shunt operatively engages a contact arm.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 17, 2018
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Nathan J. Weister, Paul Richard Rakus, Edward A. Prince, William Charles Pollitt
  • Electrical switching apparatus and clinch joint assembly therefor
    Patent number: 9805895
    Abstract: A movable contact assembly for an electrical switching apparatus is provided. The movable contact assembly includes a number of shunts, and, a carriage assembly including two sidewalls and a contact arm assembly. The carriage assembly sidewalls are disposed in a spaced relation. The contact arm assembly includes a plurality of contact arms, a number of isolation members, a number of movable contacts, and an axle. Each contact arm defines an opening, One movable contact is disposed on each contact arm. Each contact arm is rotatably coupled to the axle with the axle extending through the contact arm opening. Each isolation member is disposed adjacent at least one contact arm. Each isolation member is coupled to, and in electrical communication with the adjacent contact arm. The shunts are coupled to, and in electrical communication with, the isolation members. In this configuration, no shunt operatively engages a contact arm.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: October 31, 2017
    Assignee: EATON CORPORATION
    Inventors: Nathan J. Weister, Paul Richard Rakus, Edward A. Prince, William Charles Pollitt
  • ELECTRICAL SWITCHING APPARATUS AND CLINCH JOINT ASSEMBLY THEREFOR
    Publication number: 20170278661
    Abstract: A movable contact assembly for an electrical switching apparatus is provided. The movable contact assembly includes a number of shunts, and, a carriage assembly including two sidewalls and a contact arm assembly. The carriage assembly sidewalls are disposed in a spaced relation. The contact arm assembly includes a plurality of contact arms, a number of isolation members, a number of movable contacts, and an axle. Each contact arm defines an opening. One movable contact is disposed on each contact arm. Each contact arm is rotatably coupled to the axle with the axle extending through the contact arm opening. Each isolation member is disposed adjacent at least one contact arm. Each isolation member is coupled to, and in electrical communication with the adjacent contact arm. The shunts are coupled to, and in electrical communication with, the isolation members. In this configuration, no shunt operatively engages a contact arm.
    Type: Application
    Filed: June 13, 2017
    Publication date: September 28, 2017
    Applicant: Eaton Corporation
    Inventors: Nathan J. Weister, Paul Richard Rakus, Edward A. Prince, William Charles Pollitt
  • ELECTRICAL SWITCHING APPARATUS AND CLINCH JOINT ASSEMBLY THEREFOR
    Publication number: 20170140889
    Abstract: A movable contact assembly for an electrical switching apparatus is provided. The movable contact assembly includes a number of shunts, and, a carriage assembly including two sidewalls and a contact arm assembly. The carriage assembly sidewalls are disposed in a spaced relation. The contact arm assembly includes a plurality of contact arms, a number of isolation members, a number of movable contacts, and an axle. Each contact arm defines an opening, One movable contact is disposed on each contact arm. Each contact arm is rotatably coupled to the axle with the axle extending through the contact arm opening. Each isolation member is disposed adjacent at least one contact arm. Each isolation member is coupled to, and in electrical communication with the adjacent contact arm. The shunts are coupled to, and in electrical communication with, the isolation members. In this configuration, no shunt operatively engages a contact arm.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 18, 2017
    Applicant: EATON CORPORATION
    Inventors: Nathan J. Weister, Paul Richard Rakus, Edward A. Prince, William Charles Pollitt