Patents by Inventor Jing Ning

Jing Ning 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).

  • Worm gear drive
    Publication number: 20080087123
    Abstract: A worm gear drive has a self locking gear train. The gear train comprises a worm 34 fitted to a motor shaft 32 and in mesh with a worm wheel 35 which drives the output 26. The motor shaft 32 extends between two thrust bearings 29, 60 having faces 54 which contact respective axial ends of the motor shaft 32. The contact between at least one of the thrust bearings 29 and the shaft 32 is adapted to provide a high frictional force.
    Type: Application
    Filed: October 10, 2007
    Publication date: April 17, 2008
    Inventors: Feng Li, Jing Ning Ta
  • Kitchen appliance
    Publication number: 20070297283
    Abstract: A kitchen appliance in the form of a stand mixer has an electric motor driving a mixing implement via a gear box. The gear box includes a worm on a shaft mating with a worm gear to achieve speed reduction and a change in the axis of rotation.
    Type: Application
    Filed: June 21, 2007
    Publication date: December 27, 2007
    Inventors: Jing Ning Ta, Jie Tao