Patent ID: 6416394
Filing Date: 2002-07-09
Classification: B24B

Abstract:
A planar/grinding apparatus comprising:a housing having a first slidable, planar working surface at a first elevation, a second fixed, planar working surface at a second elevation which is at a greater elevation in relation to the apparatus than the first elevation, and at least one aperture positioned between the first and second planar working surfaces; a cylindrical member projecting through the aperture and having at least two abrasive surfaces thereon, the first abrasive surface extends from a third elevation, at least equal to or below the first elevation, to a fourth elevation, above the first elevation and below the second elevation, and the second abrasive surface extends from a fifth elevation, at least equal to or below the second elevation and above the fourth elevation, to the sixth elevation, above the second elevation; and a motor which rotates the cylindrical member.