Wet sanding device

Claim 1

A sanding device, having in combination a handle structure having in connection therewith a motor housing having an air motor therein comprising a plurality of vanes, a shaft driven by said motor extending outwardly of said housing, a sanding head carried by said shaft and driven by the same, an air line extending from said motor outwardly of said handle to an air supply, an axial bore through said motor shaft and an axial bore through said sanding head, said bores communicating with each other, a water line extending through said handle to a water supply, said water line extending to said bore of said motor shaft, a flow control valve structure carried by said handle, said water line and said air line having a pair of aligned vertical passages therethrough, a valve core extending through said vertical passages and having a pair of passages therethrough to simultaneously be in phase with said water line and said air line, means carried by said handle structure normally urging said valve core to be out of phase with said water line and said air line, a single operating handle engaging said valve core to urge the same to be in phase with said water line and said air line, and means controlling the flow and velocity of water through said water line.