Patents by Inventor Yongjiu HUO

Yongjiu HUO 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: 9945412
    Abstract: An R-type thread belongs to the field of fasteners. Both lateral sides of a thread tooth form are a first lead-in side angle line and a second lead-in side angle line respectively. The first lead-in side angle line and the second lead-in side angle line are connected through a transition line. The transition line is concaved in a direction away from a crest. The present technical solution overcomes the defect of the existing threads of being easy to get loose after assembled, providing the R-type thread which has the functions of resisting vibration and looseness.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: April 17, 2018
    Assignee: Dongguan Guanhong Hardware Technology Co., Ltd.
    Inventor: Yongjiu Huo
  • Publication number: 20170204894
    Abstract: An R-type thread belongs to the field of fasteners. Both lateral sides of a thread tooth form are a first lead-in side angle line and a second lead-in side angle line respectively. The first lead-in side angle line and the second lead-in side angle line are connected through a transition line. The transition line is concaved in a direction away from a crest. The present technical solution overcomes the defect of the existing threads of being easy to get loose after assembled, providing the R-type thread which has the functions of resisting vibration and looseness.
    Type: Application
    Filed: February 18, 2016
    Publication date: July 20, 2017
    Inventor: Yongjiu HUO