Patent ID: 8607775

Claim:
A cutting machine for stone materials, comprising: a power head part; a bedplate; a frame for supporting the bedplate; a basin disposed under the frame; an expanded basin disposed outside of the basin; a water-retaining device with an upward slope angle arranged on the expanded basin; wherein the water-retaining device further comprises a water-retaining plate comprising a first end movably coupled to the expanded basin and a second end, an elastic element that acts on the water-retaining plate to make the second end thereof tend upwardly away from the expanded basin, and a central axle that couples the first end of the water-retaining plate and the elastic element to the expanded basin; and a bend portion for locking is arranged on one end of the central axle substantially perpendicular to a body of the central axle, and a groove for receiving the bend portion is arranged in the expanded basin.