Patents Assigned to General Electric Companyy
  • Switch machine improvements
    Patent number: 7152830
    Abstract: A control mechanism for moving switch points on a railroad track, having a drive screw driven by a motor, a traveling block moving along the drive screw to position the switch points, an end stop on the drive screw for limiting movement of the traveling block, a hand crank for manually turning the drive screw, and a torque limiting clutch on the hand crank.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: December 26, 2006
    Assignee: General Electric Companyy
    Inventors: John Patrick Dowell, Charles David Crawford, Maurizio Biagiotti, Michael Lee Ashton, Edward Armand Croteau, Wallace Martindell Catanach, III