Rotary disc rasp for hand power tool - has apertures with cutting edges raised above working surface, is self cleaning

摘要

The rasp consists of a rigid plate with a number of spaced apertures (5) extending through the plate to its working surface (6). Cutting elements (8) are arranged at the edges of the apertures and have their cutting edges (9) standing proud (a) of the surface (6). The plate may be a rotary disc, fitted in an electric power tool. The disc may have a pattern of apertures (5) covering most of its entire surface. At least some of the apertures may be arranged near the circumference of the disc. The apertures may be radially overlappingly stagered.