Patent ID: 7114413
Filing Date: 2006-10-03
Classification: B23D

Abstract:
1. A portable band saw sharpener, comprising: a frame for receiving a saw blade, said frame having first and second plates secured to one another, said first and second plates having a gap formed therebetween for removably receiving said saw blade; a motor pivotally mounted to said frame; a grinding disc rotationally mounted to a drive axle of said motor, said motor driving said grinding disc, said grinding disc engaging teeth of said saw blade for selective sharpening of said teeth; a cam rotatably mounted to said motor; a cam guide mounted on said first plate of said frame, said cam guide having a guide track formed therein, said cam releasably engaging said guide track for guiding said grinding disc along a contour of one of said teeth of said saw blade; and locking means for releasably engaging a trough formed between adjacent ones of said teeth of said saw blade, whereby, during sharpening, a user pivots said motor such that said grinding disc engages one of said teeth of said saw blade and actuates said locking means to engage said trough, said locking means being disengaged and said motor being pivoted away from said saw blade when the saw blade is advanced in said frame to sharpen another one of said teeth.