Patent ID: 8793830
Filing Date: 2014-08-05
Classification: A46B,A61C

Abstract:
1. A mouthpiece appliance for cleaning teeth having a front portion located between two side portions, comprising: an assembly located at the front portion for receiving teeth which includes two opposing side portions, and an intermediate center portion, wherein the side portions and the center portion include bristle sections which are adapted to clean teeth of the user when contact is made between the bristle sections and the surfaces of the teeth; a motor assembly with an output shaft and an eccentric mass or crankshaft mounted thereon; first and second opposing drive arms extending outwardly from the motor assembly towards the two side portions and connected to the motor assembly so that distal ends of the drive arms move outwardly and inwardly together; connecting arms rotatably connected to the drive arms and at one end to the side portions of the teeth receiving assembly so that as the motor shaft rotates, the side portions of the teeth receiving assembly move in and out, toward and away from the teeth, producing cleansing of the teeth; and a center member driven by the motor assembly, directly or by action of the two connecting arms, to move the center portion of the teeth receiving assembly toward and away from the teeth, producing cleansing of the teeth.