Patent ID: 7121920

Claim:
An automatic rock saw comprising: a frame; a first blade operatively attached to the frame; a blade motor mounted on the frame and operatively attached to the blade to power the first blade; a first conveyor having rollers and a conveyor belt to convey material to be cut to the first blade, said first conveyor mounted on the frame such that the conveyor belt is substantially perpendicular to the first blade; a cutting thickness guide mounted on the frame substantially parallel to and distance D 1 away from the first blade, and above the conveyor; a conveyor motor mounted on the frame and operatively attached to the conveyor to power the conveyor; a second blade and second blade motor operatively mounted on a blade frame; the blade frame pivotally attached to the frame such that the second blade is substantially perpendicular to the first blade and substantially parallel to and above the first conveyor; and said blade frame pivoting to allow the second blade to be moved towards and away from the first blade in an arc.