Patents Assigned to Doherty Engineered Attachments Limited
  • Patent number: 10669690
    Abstract: Improvements to work attachment assemblies and in particular work attachment assemblies for use with work machines such as excavators.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: June 2, 2020
    Assignee: Doherty Engineered Attachments Limited
    Inventors: Jeremy Glen Doherty, Paul James Doherty
  • Patent number: 9677245
    Abstract: A locking mechanism to secure a coupler's jaw, and a coupler incorporating the locking mechanism.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: June 13, 2017
    Assignee: Doherty Engineered Attachments Limited
    Inventors: Paul James Doherty, Jeremy Glen Doherty
  • Publication number: 20160319508
    Abstract: A coupler to secure a work attachment to a work vehicle is disclosed. The work attachment includes a first pin and a second pin, while the coupler body has a first engagement portion which is configured to accept the first pin and a second engagement portion configured to accept the second pin. The coupler body has a guide and a slider configured to slide along the guide. The body of the slider includes a first locking portion and a second locking portion. The coupler has a trigger located on the coupler body such that the trigger is released by contact with the second pin, and a first actuator that is activated by release of the trigger. When the trigger is released, the first actuator moves the slider along the guide into an engaged position where the first locking portion engages and retains the first pin in the first engagement portion of the coupler body and the second locking portion engages and retains the second pin in the second engagement portion of the coupler body at the same time.
    Type: Application
    Filed: December 17, 2014
    Publication date: November 3, 2016
    Applicant: Doherty Engineered Attachments Limited
    Inventors: Jeremy Glen Doherty, Paul James Doherty
  • Publication number: 20160237656
    Abstract: A coupler for attaching an implement to a machine, the coupler including a body portion, a first jaw configured to engage a first attachment portion associated with the implement; a moveable jaw configured to engage a second attachment portion associated with the implement; and a first sensor located on the body portion configured to detect the presence of the implement adjacent to the body portion and to indicate one of a safe position in which the implement is securely held by the coupler and an unsafe position in which the implement is not securely held by the coupler.
    Type: Application
    Filed: April 22, 2016
    Publication date: August 18, 2016
    Applicant: Doherty Engineered Attachments Limited
    Inventors: Jeremy Glen DOHERTY, Paul James DOHERTY
  • Patent number: 9206582
    Abstract: A locking mechanism to secure a coupler's jaw, and a coupler incorporating the locking mechanism.
    Type: Grant
    Filed: September 29, 2010
    Date of Patent: December 8, 2015
    Assignee: Doherty Engineered Attachments Limited
    Inventors: Paul James Doherty, Jeremy Glen Doherty