Patent ID: 8479340

Claim:
A powered toothbrush comprising: a handle having a neck; a head mounted to the neck and having a first surface: and an opposed second surface; at least one fixed tuft block mounted to the head in a fixed orientation and having a plurality of tooth cleaning elements extending outwardly away from the first surface; a movable tuft block flexibly connected to each fixed tuft block by a flexible membrane, the movable tuft block having a plurality of tooth cleaning elements extending outwardly away from the first surface; a drive assembly operably connected to the movable tuft block to move the movable tuft block with respect to each fixed tuft block; wherein the drive assembly comprises a power source, and a motor having a shaft with an offset portion; wherein the movable tuft block comprises a tuft block base portion having a slot formed therein, the offset portion extending into the slot; and a flexible seal member extending between the head and the tuft block base portion.