| 摘要 |
This invention relates to an automatic stone cutter having a construction in which a base can slide on right and left rails, a cylinder main body having a drill is mounted to the base so as to be capable of elevating in the longitudinal direction and the base moves on the rails in the interlocking arrangement with elevation of the cylinder main body. Moreover, the drill can always bore a hole in a predetermined depth from the surface of a mass of stone even if unevenness exists on the surface of the mass of stone.
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