Patents by Inventor Ningkang Meng

Ningkang Meng 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).

  • Apparatus for protecting roof tray when gob-side entry retaining end support migrates
    Patent number: 10822949
    Abstract: An apparatus for protecting a roof tray when a gob-side entry retaining end support migrates is provided. The apparatus is mounted at a top end position of a hydraulic support, and includes a movable bearing mechanism, an automatic expansion/contraction connecting groove mechanism, and an active reset mechanism. The movable bearing mechanism includes two parallel belts and a plurality of rollers supporting the belts, and the rollers are mounted on and supported by a bearing mechanism. The automatic expansion/contraction connecting groove mechanism is two concave base plates fixed between the two belts, and the two concave base plates are spaced by a distance. The active reset mechanism includes two telescopic rods and reset springs sleeved on the telescopic rods, and the telescopic rod is connected to an end portion of the reset spring to form a synchronous mechanism.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: November 3, 2020
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, CHINA MINING & CIVIL NEW MATERIAL SCIENCE AND TECHNOLOGY LTD.
    Inventors: Jianbiao Bai, Rui Wang, Shuai Yan, Junwu Xia, Xiangyu Wang, Ying Xu, Gongyuan Wang, Ningkang Meng, Zaizhuang Fan