Patent ID: 7303238

Claim:
A mine scaling vehicle comprising: a frame, wherein the frame is articulated and includes a front frame section and a rear frame section; a turntable mounted on the front frame section; a boom coupled to the turntable and rotatable with the turntable; a tool coupled to the boom; a cab from which an operator controls the operation of the mine scaling vehicle and the tool, the cab mounted on the turntable and rotatable with the turntable, wherein the cab is located centered rearwardly of the boom to improve scaling visibility for the operator, wherein operating and supply components of a hydraulic control system are carried by the front frame section and a drive system for the vehicle is carried by the rear frame section; and a drive mechanism for rotating the turntable, the cab and the boom relative to the frame through angular distances to the left and right of a centerline of the vehicle frame, the drive mechanism including first and second hydraulic actuators coupled between the front portion of the frame and the cab, an additional swing for the boom on either side of the machine centerline being obtainable through articulation of the vehicle.