| 摘要 |
A toothbrush includes a handle, a head and a movable portion affixed to the head. In one embodiment, the head includes an upper surface and a lower surface opposite said upper surface. A recess extends into the upper surface and includes a floor, and a pair of walls extending upwardly from the floor to the upper surface. A central support may be suspended above the floor by a pair of arms that extend from opposite ends of the central support and into notches in the opposing sidewalls of the recess. A portion of the arms may be affixed in the respective notches, and a portion of the arms may be spaced from the walls of the notches to enable the arms to twist within the notches, and this enable movement of the central support. |
