Patent ID: 8020238

Claim:
A powered toothbrush comprising: a handle; a head mounted to said handle; a primary tuft block mounted in said head, said primary tuft block having bristles extending outwardly from an exposed face of said head; a shaft mounted in said head, said primary tuft block being rotationally mounted on said shaft; a secondary tuft block mounted in said head at a location displaced from said primary tuft block; wherein said primary tuft block has a generally circular cross-section, and said secondary tuft block having a plurality of horizontally disposed bars located generally perpendicular to said handle, each of said bars having bristles extending outwardly therefrom, each of said bars being disposed within a horizontally elongated slot formed in said exposed face of said head and having a length that is less than a length of said horizontally elongated slot, such that each of said bars is movable within said horizontally elongated slot from one side of said horizontally elongated slot to an opposing side of said horizontally elongated slot; a drive shaft connected to said primary tuft block to oscillate said primary tuft block back and forth in a rotational manner; and said drive shaft creating a cam action that moves said bars horizontally within said horizontally elongated slots in a reciprocating manner in a linear direction perpendicular to said handle while said primary tuft block is oscillated and wherein adjacent bars move in opposite directions.