Articulation assembly for moving a drill mast

Details Articulation assembly for moving a drill mast Articulation assembly for moving a drill mast

2011-03-15

2011-03-15

Bagnell, David J (Department: 3672)

Boring or penetrating the earth

With means to simultaneously feed and rotate tool from a...

C175S220000

Reexamination Certificate

active

07905299

ABSTRACT:
A jib assembly for use with a drill rig includes a jib boom having a first end and a second end. The jib boom is to rotate about the first end and the second end is configured to be coupled to a mast assembly mount. The jib assembly also includes an articulation assembly having at least one variable length link having a first end and a second end. The first end of the variable length link is offset from the jib boom and the second end is configured to be pivotingly coupled to the mast assembly mount.

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International Search Report and Written Opinion dated Feb. 26, 2010 as issued in International Application No. PCT/US2009/057076 filed Sep. 16, 2009.

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