Patent ID: 7406962

Claim:
A platform minute adjustment, expansion and water collection device for a stone cutter comprising: a water tank having a rectangular body, a front end and a rear end respectively supported by a pair of racks, a pair of guide rods, both of which are parallely arranged and perpendicularly connected to the tops of the racks by a plurality of bolts, one of the racks slantly being connected with a first water collection plate which has a positioning plate fixed at the lower portion thereof and connected to the top of a minute adjusting plate by using screws, wherein the first water collection plate has a lower end bending downward and a hook-shaped upper end bending upward, the front rack has a stone cutter provided at the lateral side thereof; a platform having a plurality of rotors parallely arranged and slidably engaged with the inner sides of the guide rods so as to displace the platform horizontally, a pair of guide sleeves horizontally disposed under the platform for sliding a pair of first slidable rods therein, the outer ends of the slidable rods being connected to an expansion plate of the platform, the lower side of the expansion plate being connected to the second water collection plate by using screws, the second water collection plate having an upper end bending upward and a lower end bending downward; a pair of protruding rods parallely and longitudinally disposed under the platform, and each having a guide sleeve at the center thereof for slidably disposing a pair of second slidable rods, the outer ends of which are connected to a longitudinal expansion plate of the platform; a minute adjusting plate pivoted on the top of each of the racks, and each of the racks having a retaining groove which is provided to receive an adjustable bolt in cooperation with a nut, the head of the adjustable bolt being formed in the shape of a hexagon, the nut being disposed in the retaining groove, the adjustable bolt may only rotate without displacement, a positioning plate also disposed in the retaining groove and having a screw hole for permitting the bolt to be swiveled therein, the adjusting plate having oblong holes for receiving a pair of bolts which are screwed to the racks, further, the minute adjusting plates each having a thin end for receiving a butterfly plate secured by screws, the butterfly plate being in turn connected to the guide rods.