Patent ID: 8955185
Filing Date: 2015-02-17
Classification: A61C

Abstract:
1. An apparatus, comprising: a housing having a desired shape and defining a hollow interior region therein, and having a handle portion, a head portion and a neck portion extending between the handle portion and the head portion; a motor arranged with a motor output shaft disposed within said housing; a drive shaft having a first end and a second end, and arranged to be operatively coupled at said first end to said motor output shaft for rotation thereby; a cam comprising a cam lobe and operatively connected to said drive shaft at said second end of said drive shaft, wherein the cam and the cam lobe each have a longitudinal axis, and each longitudinal axis is positioned parallel to the other; a static bristle holder plate connected to said housing and having a surface with a collection of static bristles extending there from; and a movable oscillatory head bristle holder plate retained by said static bristle holder plate, wherein the movable oscillatory head bristle holder plate comprises a top surface with a collection of movable bristles extending there from, a cylindrical sidewall extending perpendicularly from the top surface, and a circumferential peripheral collar positioned concentrically around the cylindrical sidewall, wherein said static bristle holder plate being arranged and configured to retain said movable oscillatory head bristle holder plate such that the surface of said static bristle holder plate and the top surface of said movable oscillatory head bristle holder plate lie in a common plane and the circumferential peripheral collar of said movable oscillatory head bristle holder plate is sandwiched between said static bristle holder plate and said head portion of the housing, wherein said movable oscillatory head bristle holder plate comprises a side peripheral wall and a cavity defined therein, and wherein the cam lobe is positioned at least partially within said cavity of said movable oscillatory head bristle holder plate so that rotational movement of the cam causes oscillatory movement of said movable oscillatory head bristle holder plate.