Patent ID: 6138317
Filing Date: 2000-10-31
Classification: A46B,B24B,B24D,F16B,Y10T

Abstract:
A rotary brush comprising:a generally planar base having a drive side for attachment to a rotational driver and a bristle side, the base defining an axis of rotation; anda plurality of individual bristles extending from the bristle side, the plurality of bristles arranged into a plurality of bristle curves, each bristle curve having a plurality of bristles uniformly spaced on a helical curve, each individual bristle having a thickness between an inner edge and an outer edge, wherein the inner edge of each individual bristle is substantially equidistant from the axis of rotation of the brush as the outer edge of the preceding individual bristle, such that each of the bristle curves forms a substantially continuous sweep of area contacted by the bristle curve during rotation of the brush;wherein the brush is formed as a single article.