With Raising And Lowering Means Patents (Class 218/98)
  • Patent number: 9437374
    Abstract: A grounding device for switchgear includes a connector and a body. The body includes (1) a male interface portion including an electrically conductive bus with a first bore and a spade connector; (2) a conductive housing including a second bore that is axially aligned with the first bore, and a grounding terminal to receive a grounding wire; (3) a pin assembly including a non-conductive tip, and a conductive pin, wherein the pin assembly is configured to move axially within the first and second bores between a closed position that provides an electrical connection between the bus and the conductive housing and an open position that provides no electrical connection; (4) a communications receptacle to receive signals from a controller outside the device body; and (5) a motor configured to selectively drive the pin assembly between the open position and the closed position, based on a signal from the controller.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: September 6, 2016
    Assignee: Thomas & Betts International LLC
    Inventor: Larry N. Siebens
  • Patent number: 6041949
    Abstract: A lifting assembly for lifting an electrical switching apparatus for placement in an electrical cabinet includes a support frame moveable along first and second rail members mounted on the electrical cabinet. The lifting assembly also includes a winch having a spool, and a cable having a first end attached to the winch and a second end for lifting the electrical switching apparatus. The cable passes over a pivotable, rotatable cable support member mounted upon the support frame to provide even distribution of the cable on the spool. A plurality of wheels rotatable about either a horizontal axis or vertical axes are attached to the support frame for movement of the support frame along the rail members.
    Type: Grant
    Filed: April 29, 1999
    Date of Patent: March 28, 2000
    Assignee: Eaton Corporation
    Inventors: Steven D. Walker, William Edward Wilkie, II, Daniel E. Hrncir, Jr., Kenneth W. Tucker, John H. Dileo