Patent ID: 8215163

Claim:
A coating rigidity testing device comprising: an abrading machine comprising: a receiving chamber comprising a front plate; an extending arm comprising a supporting arm extended outwards from the front plate; a pressure adjusting member extended outwards substantially perpendicular from the front plate; and an abrading scratching stylus supported by the supporting arm, and configured for scratching a workpiece being tested; and a base comprising: a supporting surface supporting the abrading machine and the workpiece; two first sidewalls parallel to each other; two racks arranged on the two first sidewalls; a second sidewall substantially perpendicular to and connected to the two first sidewalls, a limiting wall positioned on the second sidewall of the base, the limiting wall configured for preventing the workpiece from sliding out of the base; and an actuator disposed in the receiving chamber and configured for driving the abrading machine to move along the racks on the base.