Patents by Inventor Harvey Hurst

Harvey Hurst 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: 6427496
    Abstract: A locking device (10) for the conventional hitch pin (100) on a trailer (200) wherein the device (10) includes a generally U-shaped rigid one piece collar member (20) having an enlarged opening (21) dimensioned to slidably receive the recessed neck portion (101) of the hitch pin (100). The legs (29) and (22) of the collar member (20) are provided with a pair of oppositely facing counterbores (24), (25) and a through bore (30) that are dimensioned to receive a tempered steel bar member (40) and a lock member (60) for captively engaging the bar member (40) across the enlarged opening (21) in the collar member (20).
    Type: Grant
    Filed: January 16, 2001
    Date of Patent: August 6, 2002
    Inventor: Harvey Hurst
  • Publication number: 20020092330
    Abstract: A locking device (10) for the conventional hitch pin (100) on a trailer (200) wherein the device (10) includes a generally U-shaped rigid one piece collar member (20) having an enlarged opening (21) dimensioned to slidably receive the recessed neck portion (101) of the hitch pin (100). The legs (29) and (22) of the collar member (20b) are provided with a pair of oppositely facing counterbores (24), (25) and a through bore (30) that are dimensioned to receive a tempered steel bar member (40) and a lock member (60) for captively engaging the bar member (40) across the enlarged opening (21) in the collar member (20).
    Type: Application
    Filed: January 16, 2001
    Publication date: July 18, 2002
    Inventor: Harvey Hurst