Patent ID: 6421867
Filing Date: 2002-07-23
Classification: A46B,A61C

Abstract:
A brush head, the brush head structured to cooperate with means for driving the head in at least one direction of motion, the brush head comprising:a first group of bristles attached to the brush head at a bristle mounting surface to extend above said bristle mounting surface for forming an even field of bristles; a second group of bristles attached to the brush head at said bristle mounting surface, said second group of bristles embedded in said first group of bristles and extending beyond said first group of bristles to form at least one bristle envelope protruding beyond said even field of bristles, said bristle envelope having one of a striped and spotted shape, said bristle envelope defining at least one first bordering edge, leading in the direction of motion of the brush head, wherein each of said at least one first bordering edge extends at a first angle or at first angles relative to the direction of motion, wherein said first angle or each of said first angles differ from 90Â°.