Patents by Inventor Junsong Wang

Junsong Wang 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).

  • Coupler Draft Gear, Double-Side Operating Coupler and Lower Lockpin Rotation Shaft Assembly
    Publication number: 20110049078
    Abstract: A lower lockpin rotation shaft assembly includes a lower lockpin rotation shaft body, an outer end portion thereof having a first coupler lifting bar hole, an intermediate portion thereof having a connecting key; and a lower lockpin rotation shaft bush, an outer end portion of the lower lockpin rotation shaft bush having a second coupler lifting bar hole, and an inner end portion of the lower lockpin rotation shaft bush being operatively connected to an inner end portion of the lower lockpin rotation shaft body. Further, the present invention further provides a double-side operating coupler and a coupler draft gear having the above lower lockpin rotation shaft assembly. The coupler draft gear further includes two coupler lifting bars and two coupler lifting bar seats.
    Type: Application
    Filed: July 22, 2009
    Publication date: March 3, 2011
    Applicants: Qiqihar Railway Rolling Stock Co., Ltd, Mudanjiang Jinyaun Coupler and Draft Gear Manufacturing Co. Ltd
    Inventors: Qingmin Meng, Yan Jiang, Yuebin Yu, Yingjun Cui, Long Chen, Junsong Wang, Hongji Sun