Patent ID: 9095206
Filing Date: 2015-08-04
Classification: A46B,A61C

Abstract:
1. A toothbrush head, comprising; a brush head housing coupled to a brush head shaft, a movable bristle carrier coupled to a pivoting axle of the brush head housing, and a mechanical linkage assembly coupled to the pivoting axle, wherein the bristle carrier contains a plurality of tooth cleaning elements which form bristle tufts, a first portion of the bristle tufts are formed into bristle tuft groups in an outermost row(s) of a plurality of patterned rows, the bristle tuft groups being located on opposite sides of the longitudinal axis of the brush head shaft, wherein at least two of the bristle tuft groups in the outermost row(s) are disposed at a pivoting angle of between 5° and 45° off of a median line of the bristle carrier, wherein the bristle tuft groups are disposed in an outward leaning angle compared to a central axis of the pivoting axle, wherein the first portion of the bristle tufts is at least 1.5× longer than a second portion of the bristle tufts, and wherein wedges are glued in place between the first portion of the bristle tufts and the second portion of the bristle tufts.