Top Stop Patents (Class 411/925)
  • Patent number: 12044266
    Abstract: This invention is an apparatus of bolt and nut for anti-loosening joints by using a variety of mechanisms to grip the shank of said bolt and simultaneously to grab onto said nut in order to prevent said nut from turning loose.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: July 23, 2024
    Inventor: Wei Liu