Patent ID: 6732398
Filing Date: 2004-05-11
Classification: A46B,A46D,Y10T

Abstract:
A toothbrush bristle, comprising:a bristle member adapted for use as part of a set of toothbrush bristles in forming a toothbrush brushhead, wherein the bristle member has a stepped configuration, including a smallest diameter, flexible top portion at an upper end of the bristle member having a diameter of approximately 0.005 inches and a length of approximately 0.01 inches, a middle portion having a diameter slightly larger than the top portion, approximately 0.006 inches, and a base portion having the largest diameter, providing stiffness and support for the bristle member, the base portion having a diameter of approximately 0.007 inches, wherein the top, middle and base portions are all straight and have substantially uniform diameters along their respective lengths.