Patent ID: 9049919
Filing Date: 2015-06-09
Classification: A46B,A61C

Abstract:
1. A power toothbrush comprising: a toothbrush handle; a brushhead assembly having a bristle field assembly at a distal end thereof, the bristle field assembly comprising a plurality of individual base layers comprising a material which is sufficiently stiff to provide support for the bristle field assembly; a drive assembly to move the brushhead assembly in operation in order to accomplish the brushing action of the bristle field assembly; and a plurality of individual bristle layers positioned between the base layers, wherein the bristle layers comprise a different material than the base layer material, the material being flexible and the bristle layers varying individually in stiffness and/or bristle configuration in accordance with a preset pattern, the bristle layers being configured, including a thickness, to form individual bristle elements to produce effective brushing of teeth, wherein the base layers and bristle layers are bonded together to form the bristle field assembly.