| 摘要 |
A power toothbrush brushhead includes a neck portion which is attachable to a drive member of the power toothbrush which operates in a sweeping, i.e. partially rotating, manner. The brushhead includes a neck portion and a bristle base member at a distal end of the neck portion. The bristle base member includes a central portion and two paddle members on opposing sides of the central portion. The central portion and paddle members are supported at one end thereof in cantilever fashion from the distal end of the neck portion, with the other ends thereof being free to move. The action of the drive member moves the central portion in a sweeping, back-and-forth, motion, which results in an in-and-out movement of the two paddle members. |
| 主权项 |
1. A brushhead for use with a power toothbrush having a back-and-forth sweeping-type driving motion produced by a drive assembly, comprising:
a neck portion (36) configured for attachment to an extending driveshaft portion (26) of the drive assembly; and a bristle base member (36) positioned at a distal end of the neck portion, the bristle base member including a central portion (34) and two paddle members (36, 38) on opposing sides of the central portion, the central portion and the paddle members extending at proximal ends in cantilever fashion, respectively, from the distal end of the neck portion, wherein distal ends of the central portion and the paddle members are free to move, wherein in operation the central portion follows the movement of the drive assembly in a back-and-forth sweeping, partially rotating, motion for cleansing action along the teeth, wherein the two paddle members are configured and arranged to move in and out, toward and away from the teeth when the central portion is cleansing the teeth. |
