Patent ID: 8197304
Filing Date: 2012-06-12
Classification: B24B,B24D

Abstract:
1. An apparatus for sharpening a tool blade comprising: a pair of guide rails; brackets for mounting a sharpening stone between the guide rails; a carriage movably mounted on the guide rails; a pair of stops limiting movement of the carriage along the guide rails; said carriage including a pair of spaced side plates and an angle plate extending between said side plates; a clamp mechanism mounted on the angle plate for holding the tool blade in contact with the sharpening stone as the carriage moves along the guide rails; and an angle adjustment mechanism for setting the angle of the angle plate and correspondingly the angle of the tool blade with respect to the sharpening stone whereupon linear movement of the carriage along the guide rails moves the blade along the sharpening stone; wherein the angle adjustment mechanism includes a first series of holes extending in an arcuate manner in each of the carriage side plates; and in which fasteners extend through a selected pair of said holes and into engagement with the angle plate.