Patents by Inventor Liujiang ZHENG

Liujiang ZHENG 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).

  • Publication number: 20230127428
    Abstract: A rail vehicle and a guide device and a guide wheel mounting base used for the rail vehicle are provided. The guide wheel mounting base includes a mounting bracket and a wheel shaft fixing shaft. A through guide hole is provided on the mounting bracket. An outer end of the wheel shaft fixing shaft is connected with a guide wheel. An inner end of the wheel shaft fixing shaft extends through the guide hole. The wheel shaft fixing shaft is movable along an extending direction of the guide hole.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Inventors: Liujiang ZHENG, Zhicheng TAN, Di LI, Weida LIU