Patent ID: 7434289
Filing Date: 2008-10-14
Classification: A46B,B24D

Abstract:
1. A polisher brush which comprises: a brush-shaped grindstone having a plurality of wire-shaped grinding elements, each element being formed such that a composite yarn composed of inorganic filaments is impregnated and hardened with a resin, and a holder for holding base end side portions of the wire-shaped grinding elements; a cylindrical brush case; and screws for fixing the holder on an interior side of the brush case so that free ends of the wire-shaped grinding elements protrude from a lower end portion of the brush case; the brush case is formed with a spindle extending inside the brush case along an axial direction thereof, and with guide holes extending in the form of grooves in a peripheral wall of the brush case, wherein the guide holes extend parallel to the axial direction of the brush case; the holder is formed with an axle hole in which the spindle is fitted, and with screw holes that extend from an external peripheral surface of the holder to the axle hole; screws are secured in the screw holes so as to be attached to the external peripheral side of the brush case and to pass completely through the guide holes in a state in which leading end portions of shafts of the screws come in contact with an external peripheral surface of the spindle; and the wire-shaped grinding elements have a flat cross-section.