Toothbrush with a bristle field which comprises a composite of layers of base and bristle components

摘要

The toothbrush includes a brushhead (24) having a multi-layer bristle field assembly (30), which includes alternate thin base layers (32) and thin bristle layers (34) which are bonded together to form the bristle field assembly. The base layers provide support for the bristle field assembly while the bristle layers are configured to provide bristle elements therealong for brushing of the teeth.

主权项

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.