Patents by Inventor Dingnan SONG

Dingnan SONG 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).

  • Patent number: 10738818
    Abstract: The present invention provides an elastic washer structure and a fastener, including: an elastic washer (1) and one or more tongues (2), where the elastic washer (1) is a sheet object with an inner hole (3), one surface of the elastic washer (1) is a convex surface, the other surface is a concave surface, a tongue (2) is disposed towards a side of the convex surface on an outer edge of the elastic washer, an angle between the tongue (2) and a surface (5) on which the outer edge of the elastic washer is located is a first angle (6), and when the convex surface of the elastic washer bears pressure, there is a negative correlation between the first angle (6) and the pressure borne by the elastic washer.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: August 11, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guohua Fan, Xiong Hu, Dingnan Song
  • Publication number: 20180298935
    Abstract: The present invention provides an elastic washer structure and a fastener, including: an elastic washer (1) and one or more tongues (2), where the elastic washer (1) is a sheet object with an inner hole (3), one surface of the elastic washer (1) is a convex surface, the other surface is a concave surface, a tongue (2) is disposed towards a side of the convex surface on an outer edge of the elastic washer, an angle between the tongue (2) and a surface (5) on which the outer edge of the elastic washer is located is a first angle (6), and when the convex surface of the elastic washer bears pressure, there is a negative correlation between the first angle (6) and the pressure borne by the elastic washer
    Type: Application
    Filed: June 22, 2018
    Publication date: October 18, 2018
    Inventors: Guohua FAN, Xiong HU, Dingnan SONG