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AssigneeJoy Global Underground Mining LLC
InventorsRussell P. Smith, Andrew D. Hunter, Peter A. Lugg, Ian B. Schirmer, Geoffrey W. Keech, Christopher Coates, Bradley M. Neilson
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A cutter head includes a first member, a cutting bit, and a second member. The first member includes a first end and a second end and includes a first mass. The cutting bit is coupled to the first member proximate the second end. The cutting bit includes a cutting edge rotatable about the axis. The second member is rotatable about the axis and includes a second mass eccentrically positioned with respect to the axis. Rotation of the second mass causes the first member and the cutting bit to oscillate.
A cutter head for a mining machine, the mining machine including a frame and a boom movably coupled to the frame, the cutter head comprising:
A method for removing material from a rock wall, the method comprising:
Dependencies are inferred from the claim text.