Patents Assigned to Murdoch Logging Industries Pty. Ltd.
  • Patent number: 4569379
    Abstract: A tree harvester of the type having a grapple assembly, shear assembly and de-limbing assembly where the grapple assembly and the de-limbing assembly are mounted on respective telescopically slidable carriers. Cables connect the de-limbing assembling (or grapple assembly) to the grapple carrier (or de-limbing carrier) to move the de-limbing assembly (or grapple assembly) along its carrier at substantially the same velocity as the relative velocity between the two carriers. The grapple assembly and de-limbing assembly may delimb two tree trunks in a single operation, both tree trunks being severed by the shear assembly into logs of substantially uniform length.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: February 11, 1986
    Assignee: Murdoch Logging Industries Pty. Ltd.
    Inventor: Andrew Gemmell-Murdoch
  • Patent number: 4416311
    Abstract: A tree harvester of the type having a grapple assembly, shear assembly and de-limbing assembly where the grapple assembly and the de-limbing assembly are mounted on respective telescopically slidable carriers. Cables connect the de-limbing assembling (or grapple assembly) to the grapple carrier (or de-limbing carrier) to move the de-limbing assembly (or grapple assembly) along its carrier at substantially the same velocity as the relative velocity between the two carriers. The grapple assembly and de-limbing assembly may delimb two tree trunks in a single operation, both tree trunks being severed by the shear assembly into logs of substantially uniform length.
    Type: Grant
    Filed: July 21, 1981
    Date of Patent: November 22, 1983
    Assignee: Murdoch Logging Industries Pty. Ltd.
    Inventor: Andrew Gemmell-Murdoch