US Patent 7186169 Angle positioning tool and hand-scaler grinding device using same

The object of the present invention is to provide an angle setting tool for setting the blade section of a hand scaler at a predetermined angle during sharpening of the scaler, and a hand scaler sharpening device which has a relatively simple structure, is easy to operate and do maintenance, and reduces complexity in the sharpening operation. This object is achieved by a hand scaler sharpening device including a sharpener main body having a grind stone (50) provided for reciprocating motion, and an angle setting tool (41) for setting the tip of a hand scaler at one of a plurality of predetermined angles on the grind stone (50), wherein the angle setting tool (41) has a plurality of inclined surfaces (42a, 43a, 44a) corresponding to the predetermined angles.