Patents by Inventor Dandan CUI

Dandan CUI 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).

  • Foldable truss boom section, truss boom and crane
    Patent number: 11396444
    Abstract: The present disclosure relates to a foldable truss boom section, a truss boom and a crane. The foldable truss boom section includes: two chords that do not intersect with each other; at least two slideways fixedly disposed on each of the two chords, wherein each of the at least two slideways has at least two slideway fixing points; and at least two long web members connecting the two chords, wherein each of the at least two long web members has at least one sliding end which is slidable along the slideway and connected to the slideway at one of the at least two slideway fixing points, so that a cross-section state of the truss boom section is changeable.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: July 26, 2022
    Assignee: XUZHOU CONSTRUCTION MACHINERY GROUP CO., LTD.
    Inventors: Dandan Cui, Li Sun, Qinwei Yu, Yong Yang, Fahao Zhu
  • FOLDABLE TRUSS BOOM SECTION, TRUSS BOOM AND CRANE
    Publication number: 20210253408
    Abstract: The present disclosure relates to a foldable truss boom section, a truss boom and a crane. The foldable truss boom section includes: two chords that do not intersect with each other; at least two slideways fixedly disposed on each of the two chords, wherein each of the at least two slideways has at least two slideway fixing points; and at least two long web members connecting the two chords, wherein each of the at least two long web members has at least one sliding end which is slidable along the slideway and connected to the slideway at one of the at least two slideway fixing points, so that a cross-section state of the truss boom section is changeable.
    Type: Application
    Filed: July 3, 2019
    Publication date: August 19, 2021
    Inventors: Dandan CUI, Li SUN, Qinwei YU, Yong YANG, Fahao ZHU