Patents by Inventor Yushi ZHENG

Yushi 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).

  • Working machine
    Patent number: 9096991
    Abstract: A front bracket has a fixed part that is fixed to a bottom plate and vertical plates, and a pair of protruded parts that are protruded backward from a rear part of the fixed part so as to extend upper parts of sidewall parts. The fixed part and the protruded parts are sandwiched between opposite surfaces that are opposite to each other at front parts of the vertical plates. The protruded parts are welded to opposite surfaces of the vertical plates that are brought into contact with the protruded parts. Each welded portion between the protruded part and the opposite surface of the vertical plate is formed along an edge of the protruded part that is in contact with the opposite surface of the vertical plate.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: August 4, 2015
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Yushi Zheng, Kazuhiro Uesugi
  • WORKING MACHINE
    Publication number: 20140205411
    Abstract: A front bracket has a fixed part that is fixed to a bottom plate and vertical plates, and a pair of protruded parts that are protruded backward from a rear part of the fixed part so as to extend upper parts of sidewall parts. The fixed part and the protruded parts are sandwiched between opposite surfaces that are opposite to each other at front parts of the vertical plates. The protruded parts are welded to opposite surfaces of the vertical plates that are brought into contact with the protruded parts. Each welded portion between the protruded part and the opposite surface of the vertical plate is formed along an edge of the protruded part that is in contact with the opposite surface of the vertical plate.
    Type: Application
    Filed: January 17, 2014
    Publication date: July 24, 2014
    Applicant: Kobelco Construction Machinery Co., Ltd.
    Inventors: Yushi ZHENG, Kazuhiro Uesugi