Machine supporting rock cutting device
AssigneeJoy Global Underground Mining LLC
InventorsPeter A. Lugg, Geoffrey W. Keech, Stuart Reeves, Nagy Daher
Life of this patent
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AssigneeJoy Global Underground Mining LLC
InventorsPeter A. Lugg, Geoffrey W. Keech, Stuart Reeves, Nagy Daher
Estimating the term…
A machine for excavating rock includes a frame, a cutting device, and a boom. The cutting device includes a cutting disc having a cutting edge, and the cutting disc is rotatable about a cutting device axis. The boom supports the cutting device and includes a first end, a second end, and a boom axis substantially parallel to the cutting device axis. The boom further includes a first portion and a second portion. The first portion is coupled to the frame for rotation about a first pivot axis between a raised position and a lowered position. The second portion is coupled to the cutting device, and the second portion is pivotable about a second pivot axis between a raised position and a lowered position.
A machine for excavating rock, the machine comprising:
Dependencies are inferred from the claim text.