Patent ID: 7837535
Filing Date: 2010-11-23
Classification: B24B,B24D,F16C,Y10S

Abstract:
1. A superfinishing stone designed to be pressed against a subject surface and slid on the subject surface as relatively moved thereon and to be vibrated on the subject surface in a different direction from a sliding direction, wherein the superfinishing stone comprises a plurality of stone portions, each of the stone portions has a split surface inclined to both the sliding direction and a vibrating direction, the split surfaces of two immediately adjacent stone portions face each other, and the stone portions are mutually independently movable along the split surfaces and in the pressing direction, and wherein a groove is recessed at each of the split surfaces and extends along the pressing direction, and the grooves of the two immediately adjacent stone portions face each other and jointly form a passage such that a working fluid is supplied to the subject surface through the passage.