Patent ID: 8328292

Claim:
A mining machine for engaging a mine wall, the mining machine comprising: a platform; an arm including a first end and a second end, the first end pivotally coupled to the platform such that the arm pivots in first and second directions about a pivot pin; an actuator including a first end coupled to the arm, the actuator pivoting the arm in the first and second directions; a first disc cutter mounted on the second end of the arm, the first disc cutter being adapted to engage the mine wall; and a second disc cutter mounted on the second end of the arm and spaced apart from the first disc cutter, the second disc cutter being adapted to engage the mine wall, wherein the first disc cutter rotates about a first axis and the second disc cutter rotates about a second axis, and further wherein the second axis is at an angle with respect to the first axis, and wherein the first axis and the second axis are not coplanar.