Patent ID: 7055516

Claim:
A stone slicer, comprising: a base on which a stone is placed; four columns vertically installed at four respective edges of the base; a pair of platforms respectively installed on a left side and a right side of said base, and being adapted to simultaneously move up and down the columns, each platform having at least one of a driving pulley and a driven pulley; platform driving means for moving the platforms up and down; at least one endless belt saw having opposite ends, one of the ends being engaged with a driving pulley of one of the platforms, and another one of the ends being engaged with a driven pulley of another one of the platforms; and belt saw driving means for driving the belt saw to slice the stone placed on the base to a predetermined thickness, by rotating the driving pulley to thereby cause the belt saw to rotate along an endless track, the belt saw driving means comprising a driving motor; a helical gear connected to the driving motor, and horizontally extending in a direction from a rear of the one of the platforms to a front of the one of the platforms; a power transmission means including a driven belt or a chain coupled to said driving motor and said helical gear; and a vertical gear geared to the helical gear, the driving pulley being axially-aligned and connected to the vertical gear.