Blade sharpening apparatus and methods of making and using same

Abstract

An apparatus for grinding a blade comprising a plurality of teeth and setting the blade by providing an offset to the plurality of teeth, a method of grinding the blade, and a method of assembling the apparatus are provided. The apparatus includes a grinding wheel for grinding the blade, a plurality of clamping jaws for securely holding the blade as the grinding wheel is moved along a profile thereof responsive to an actuation input, an input shaft for receiving the actuation input, first and second bending cams configured to be actuated by a camshaft, and first and second levers configured to be bent by the first and second bending cams, respectively, and further configured to pivot about respective pivot points to provide the offset by selectively setting each tooth inwards or outwards according to a predefined pattern.