Patents by Inventor Tom Zinchuk

Tom Zinchuk 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).

  • Mechanical interlock of a lever operated receptacle with a shaft operated switch
    Patent number: 8183481
    Abstract: A mechanical interlock of a lever operated receptacle with a shaft operated switch is disclosed and provides mechanically interlocked electrical service to cord-connected equipment such as wheeled gantries, vehicles docked at port terminals, heavy manufacturing, and mining equipment. The power transmission safety system locks a plug into a receptacle until a main power switch has been disengaged and a grounding switch has been engaged. Only if the receptacle is switched off and grounded will the receptacle allow a plug to be inserted. The power transmission safety system is mechanically prohibited from being engaged or ungrounded until a plug has been inserted into the receptacle and locked into place. To again unlock and remove the plug from the receptacle, the power transmission safety system must be deactivated and grounded.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: May 22, 2012
    Assignee: ESL Power Systems, Inc.
    Inventors: Tom Zinchuk, David Hellmers
  • MECHANICAL INTERLOCK OF A LEVER OPERATED RECEPTACLE WITH A SHAFT OPERATED SWITCH
    Publication number: 20110203908
    Abstract: A mechanical interlock of a lever operated receptacle with a shaft operated switch is disclosed and provides mechanically interlocked electrical service to cord-connected equipment such as wheeled gantries, vehicles docked at port terminals, heavy manufacturing, and mining equipment. The power transmission safety system locks a plug into a receptacle until a main power switch has been disengaged and a grounding switch has been engaged. Only if the receptacle is switched off and grounded will the receptacle allow a plug to be inserted. The power transmission safety system is mechanically prohibited from being engaged or ungrounded until a plug has been inserted into the receptacle and locked into place. To again unlock and remove the plug from the receptacle, the power transmission safety system must be deactivated and grounded.
    Type: Application
    Filed: February 24, 2010
    Publication date: August 25, 2011
    Applicant: ESL POWER SYSTEMS, INC.
    Inventors: TOM ZINCHUK, DAVID HELLMERS