Patents by Inventor Virendra Singh Bura

Virendra Singh Bura 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).

  • Patent number: 8076600
    Abstract: According to one embodiment of the present invention, a contact actuating mechanism is provided with a rotary contact to make and break electrical contacts. An operating knob is connected an operating lever and to a connecting link through a U-shaped pin. The operating lever is engaged with a lock lever. The connecting link is also coupled to the rotary contact through a pivot so that the operating knob is moved to displace the connecting link to move the rotary contact to make and break with electrical contacts.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: December 13, 2011
    Assignee: Larsen & Toubro Limited
    Inventors: Virendra Singh Bura, Satbir Singh
  • Publication number: 20090165349
    Abstract: The embodiment provide an assembly of contact indication and label holder using the same component for switching devices to provide safety indications to the technicians or end users. The assembly comprises of a tag and label holder. Tagging arrangement consists of an indication window for indication status of MCB i.e. ON/OFF and two hinges for holding label holder. The component also has two windows, which are intended for locking of label holder and groove for holding indicating paper. The user can write details on this indicating paper i.e. with which place it is connected and other details. The label holder has an inbuilt lens for giving contact indication a zooming effect for clear differentiation between red and green color of indication flag.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: LARSEN & TOUBRO LIMITED
    Inventors: Virendra Singh Bura, Satbir Singh
  • Publication number: 20090166162
    Abstract: According to one embodiment of the present invention, a contact actuating mechanism is provided with a rotary contact to make and break electrical contacts. An operating knob is connected an operating lever and to a connecting link through a U-shaped pin. The operating lever is engaged with a lock lever. The connecting link is also coupled to the rotary contact through a pivot so that the operating knob is moved to displace the connecting link to move the rotary contact to make and break with electrical contacts.
    Type: Application
    Filed: December 29, 2008
    Publication date: July 2, 2009
    Applicant: LARSEN & TOUBRO LIMITED
    Inventors: Virendra Singh Bura, Satbir Singh