Patents by Inventor Yong Gook Lee

Yong Gook Lee 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).

  • Lock nut and a fastening unit comprising the same
    Patent number: 8702363
    Abstract: The present invention relates to a lock nut which is fastened between a bolt and a nut and prevents the bolt and nut from loosening, comprising: a nut body having a fastening hole for fastening onto the bolt; a pair of first projecting parts which are formed projecting from one of the surfaces of the nut body and form a first slot having a first orientation such that the nut body can deform resiliently when the bolt and the nut are fastened; and a pair of second projecting parts which are formed projecting from the other surface of the nut body and form a second slot having a second orientation different from the first orientation, and the invention relates to a fastening unit comprising the lock nut; and provided is a bolt-and-nut loosening prevention structure having an improved loosening-prevention function.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: April 22, 2014
    Inventors: Yong Gook Lee, Jin Koh Kim
  • LOCK NUT AND A FASTENING UNIT COMPRISING THE SAME
    Publication number: 20130064624
    Abstract: The present invention relates to a lock nut which is fastened between a bolt and a nut and prevents the bolt and nut from loosening, comprising: a nut body having a fastening hole for fastening onto the bolt; a pair of first projecting parts which are formed projecting from one of the surfaces of the nut body and form a first slot having a first orientation such that the nut body can deform resiliently when the bolt and the nut are fastened; and a pair of second projecting parts which are formed projecting from the other surface of the nut body and form a second slot having a second orientation different from the first orientation, and the invention relates to a fastening unit comprising the lock nut; and provided is a bolt-and-nut loosening prevention structure having an improved loosening-prevention function.
    Type: Application
    Filed: May 23, 2011
    Publication date: March 14, 2013
    Inventors: Yong Gook Lee, Jin Koh Kim