| 摘要 |
The polyamide plastic monofilament bristle fixed on a bristle head (4), has a cloverleaf-shaped bristle structure (10) having several longitudinal ribs arranged in a star shape or circumferentially, and projecting laterally from a core of the bristle structure. The bristle structure is configured to be self-fanning by the action of cleaning forces. Independent claims are included for the following: (1) brush head; and (2) electric toothbrush. |
