MOUTHPIECE FOR CLEANING TEETH WITH A MECHANICAL DRIVE TRAIN

摘要

The mouthpiece appliance includes an assembly for receiving teeth (12) which includes a plurality of cleansing portions, typically two opposing side portions (14, 16) and an intermediate center portion (18). The brushing portions include bristle sections which are adapted to clean teeth. The appliance includes at least one DC motor assembly (26) with an output shaft with an eccentric mass of crankshaft (28). The appliance further includes a mechanical motor cover comprising a plurality of arm members which are arranged to connect the DC motor assembly to the cleansing portions of the appliance so that as the unbalanced weight on the output shaft rotates, movement of the cleansing portions, toward and away from the teeth or along the surfaces of the teeth occurs, producing cleansing of the teeth.

主权项

1. A mouthpiece for cleaning teeth, comprising:
an assembly for receiving teeth which includes two side portions and an intermediate center portion, wherein the side portions and the center portion include bristle sections which are adapted to clean teeth upon contact between the bristle sections and the teeth of the user; three motor assemblies, each with an eccentric weight mounted on an output shaft thereof; first, second and third drive arms which extend, respectively, between the respective motor assemblies and the side and center portions of the teeth receiving assembly; and first, second and third spring assemblies which connect the drive arms to a body portion of the appliance, wherein each of the spring assemblies, respectively, is configured to permit movement of their associated drive arm in one direction which results in cleansing of the teeth, but substantially prevents movement of the same drive arm in other directions.