Patent ID: 7168125
Filing Date: 2007-01-30
Classification: A46B,A61C,Y10S

Abstract:
1. A toothbrush comprising: a handle; a head attached to the handle, the head including a face and a longitudinal axis; a first dense pack of bristles and a second dense pack of bristles extending from the face and being spaced from each other along the longitudinal axis, said first and second dense packs each defining a distal cleaning area for engaging teeth of the user; and a plurality of tufts of bristles extending from the face, some of the tufts extending at an inclination to the face and some of the tufts extending generally perpendicular to the face, a first portion of said tufts being positioned between the first and second dense packs and to surround said first and second dense packs, and a second portion of the tufts being positioned on the face outside of the first portion of the tufts, at least one tuft of the second portion being positioned between the first and second dense packs, each tuft of the first portion defining a tuft cleaning area, and each said tuft cleaning area being smaller than the each said distal cleaning area, wherein the first portion of the tufts collectively form a generally circular first bristle ring surrounding the first dense pack and a second generally circular bristle ring surrounding the second dense pack, the first bristle ring and the second bristle ring each having a center, respectively, and the first dense pack and the second dense pack each have a center, respectively, wherein the center of the first dense pack is generally coincident with the center of the first bristle ring, and the center of the second dense pack is generally coincident with the center of the second bristle ring.