Patents by Inventor Shenghua ZENG

Shenghua ZENG 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).

  • Opening and closing method and opening and closing mechanism of convertible movable top cover of railway freight wagon
    Patent number: 11242074
    Abstract: An opening and closing method and mechanism is adapted for a convertible movable top cover of a railway freight wagon including first and second convertible movable top covers; a belt driving mechanism is arranged on the wagon. One end of the first convertible movable top cover is connected with one side of a driving belt in the belt driving mechanism and a first outer convex portion; one end of the second convertible movable top cover is connected with the other side of the driving belt in the belt driving mechanism and a second outer convex portion. A moving direction of one side of the driving belt is opposite to that of the other side of the driving belt. First and second stopper devices are arranged on the ground. When the wagon moves, the first stopper device contacts the first outer convex portion or the second stopper device contacts the second outer convex portion.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: February 8, 2022
    Assignee: ZHUZHOU HUASHENG INDUSTRIAL CO., LTD.
    Inventor: Shenghua Zeng
  • OPENING AND CLOSING METHOD AND OPENING AND CLOSING MECHANISM OF CONVERTIBLE MOVABLE TOP COVER OF RAILWAY FREIGHT WAGON
    Publication number: 20200239042
    Abstract: An opening and closing method and mechanism is adapted for a convertible movable top cover of a railway freight wagon including first and second convertible movable top covers; a belt driving mechanism is arranged on the wagon. One end of the first convertible movable top cover is connected with one side of a driving belt in the belt driving mechanism and a first outer convex portion; one end of the second convertible movable top cover is connected with the other side of the driving belt in the belt driving mechanism and a second outer convex portion. A moving direction of one side of the driving belt is opposite to that of the other side of the driving belt. First and second stopper devices are arranged on the ground. When the wagon moves, the first stopper device contacts the first outer convex portion or the second stopper device contacts the second outer convex portion.
    Type: Application
    Filed: September 13, 2018
    Publication date: July 30, 2020
    Applicant: ZHUZHOU HUASHENG INDUSTRIAL CO., LTD.
    Inventor: Shenghua ZENG