Patents Assigned to Forestfield PTY Ltd.
  • Patent number: 7438516
    Abstract: A trailer including (i) a trailer frame supported by ground engaging wheels; (ii) an auxiliary drawbar pivotable from a retracted inoperative position to an extended or towing position located behind the trailer frame; and a (iii) main drawbar to a prime mover. There is also provided a pivot frame pivotally attached to the trailer frame by pivot attachment joints which may extend from an extended leading position for maintenance apparatus to a retracted transportation position.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: October 21, 2008
    Assignee: Forestfield Pty Ltd
    Inventor: Raymond J. Dufty
  • Patent number: 6840543
    Abstract: There is provided a trailer (65) having a trailer frame (68) supported by ground engaging wheels (84). A pivot frame (69) is pivotally attached to the trailer frame (68) by pivot attachment means (72). The pivot frame (69) is attachable to maintenance apparatus such as a mower (100) in use. There is also provided connection means such as a drawbar (70) to a prime mover.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: January 11, 2005
    Assignee: Forestfield PTY Ltd.
    Inventor: Raymond Jeffrey Dufty
  • Patent number: 6712155
    Abstract: Carriage (10) attachable to a prime mover (41) for travel over turf or grass wherein the carriage (10) has idler rollers (12, 13 and 14) and a ground aeration mechanism in the form of a support axle (15) having a plurality of slicer blades (16) attached thereto. There is also provided a housing (11) having a hollow interior (33) which houses rollers (12, 13 and 14) and ground aeration mechanism (15 and 16). In use, when carriage (10) travels over turf or grass, both rollers (12, 13 and 14) and the ground aeration mechanism (15 and 16) operate simultaneously to not only roll the grass but also slice it for the purpose of facilitating moisture penetration.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: March 30, 2004
    Assignee: Forestfield Pty. Ltd.
    Inventor: Raymond Jeffrey Dufty