Patent ID: 8460063
Filing Date: 2013-06-11
Classification: B24D

Abstract:
1. A polishing apparatus for polishing an end edge of a work piece by bringing a bristle tip of a polishing brush into contact with the end edge of the work piece as the bristle tip passes the end edge of the work piece, comprising: a support plate having a through hole into which the polishing brush is inserted; and a suppression portion that is provided at the support plate and suppresses a deformation of the bristle tip of the polishing brush when the work piece is polished, wherein the suppression portion is constituted by wall portions that stand upright respectively from one side face of the support plate on left and right sides of the through hole in the advancement direction of the polishing brush, and wherein in the suppression portion, the through hole is formed such that a height of an inner wall surface on the left and right sides of the advancement direction of the polishing brush is greater than the height of the inner wall surface on the front and rear sides of the advancement direction of the polishing brush.