Patent ID: 6517423
Filing Date: 2003-02-11
Classification: B24B,B24D

Abstract:
A polishing tool comprising:a base member adapted to be attached to and drivingly rotated by a drive unit and having a mounting surface perpendicular to its rotary axis; an elastic member attached to the base member; and a polishing member attached to the elastic member, wherein the elastic member has groove portions opened toward the polishing member side and extending from a center of the elastic member toward a circumferential edge thereof, and the opening edges of the grooves portions are linear from the center of the elastic member to the circumferential edge thereof, wherein the diameters of the base member, the elastic member, and the polishing member are substantially the same, and the circumferential edges thereof are substantially aligned, wherein said base member is flexible, and its circumferential edge is more flexible than its center.