Patent ID: 6948489
Filing Date: 2005-09-27
Classification: B28D

Abstract:
1. A rock cutter for splitting stones, comprising: (a) a support means having a first end, a second end, a left side and a right side and a support length between the first end and the second end aid a support surface along the support length for supporting a rock to be cut; (b) a first blade holding means attached to the support means for holding a blade and extending the blade along the support length; (c) a first blade having a sharpened edge with a first blade edge length attached to the first blade holding means; (d) a second blade holding means for holding a blade in a fixed position on the support means along the support length; (e) a second blade having a sharpened edge and a second blade edge length and wherein the first blade holding means comprises a hydraulically driven piston having a hydraulic cylinder and a piston arm with a blade holding means for holding the first blade so that it is approximately perpendicular to the support surface; and, (f) wherein the first blade holding means further comprises a support arm slidably contacting the left side and a support arm slidably contacting the right side so that the position of the first blade is supported as the blade moves along the support length.