Patent ID: 6349458
Filing Date: 2002-02-26
Classification: B24B,Y10T

Abstract:
A burnishing apparatus for burnishing a first surface of a material, comprising:a disk having a face, said disk rotating about an axis; a first annular groove disposed near an outer portion of said disk, said first annular groove being eccentric to said axis of said disk; a second annular groove having a diameter less than a diameter of said first annular groove, said second annular groove disposed adjacent to said first annular groove, said second annular groove being concentric with said first annular groove; at least two rolling elements disposed between said first annular groove and said first surface of said material; and at least two additional rolling elements disposed between said second annular groove and said first surface of said material; wherein said at least two rolling elements and said at least two additional rolling elements leave tracks on said first surface of said material, and said tracks repeating after said at least two rolling elements and said at least two additional rolling elements complete N revolutions about said first surface of said material.