Patent ID: 7636977
Filing Date: 2009-12-29
Classification: A61C

Abstract:
1. A power toothbrush comprising: a body handle comprising a shell having a length between an upper and lower ends thereof and parallel to a longitudinal axis of the toothbrush the shell formed by two separate convex shell halves having solid and relatively thin walls, the shell halves being joined together at their respective mating surfaces comprising thickness of the walls of the shell halves and forming a seam line extending alone the entire length of the shell, the shell circumferentially encasing at least one battery, a motor and gearing connected to the motor, and having the lower end that is open to removably receive the at least one battery; a shaft extending from the upper end and having, at a distal end thereof, a moving brush head assembly; a drive shaft, extending from the gearing through the shaft to the brush head assembly, adapted to move the brush head assembly; and a seamless covering sleeve constructed and arranged to pass over the lower end of the body handle and into an engaged position on the body handle, including a bottom that retains the battery in the body handle; and a topper assembly seated over the shaft in engagement with the body handle and adjacent to an upper end of the sleeve when the sleeve is in the engages position.