Patents Assigned to Wedgelock LLC
  • Safety Locking Device
    Publication number: 20110010915
    Abstract: A safety locking device 18 for a quick hitch/coupler 10 of an earth working machine. The safety locking device 18 has a locking element 21 which is biased into a locking position to automatically lock a front pin of an implement when it is engaged in the hook 14 of the coupler 10. The safety locking device 18 has an hydraulic operable mechanism to move the locking element 21 to an unlocking position. The hydraulic supply to the safety locking device 18 is independent of the hydraulic supply to a locking mechanism 16 of the coupler 10.
    Type: Application
    Filed: September 28, 2010
    Publication date: January 20, 2011
    Applicant: WEDGELOCK LLC
    Inventors: Matthew James CALVERT, David Aperahama CALVERT
  • Safety locking device
    Patent number: 7828070
    Abstract: A safety locking device 18 for a quick hitch/coupler 10 of an earth working machine. The safety locking device 18 has a locking element 21 which is biased into a locking position to automatically lock a front pin of an implement when it is engaged in the hook 14 of the coupler 10. The safety locking device 18 has an hydraulic operable mechanism to move the locking element 21 to an unlocking position. The hydraulic supply to the safety locking device 18 is independent of the hydraulic supply to a locking mechanism 16 of the coupler 10.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: November 9, 2010
    Assignee: Wedgelock LLC
    Inventors: Matthew James Calvert, David Aperahama Calvert