Patent ID: 6599048
Filing Date: 2003-07-29
Classification: A46B,A61C

Abstract:
A toothbrush comprising a brush head having:a. a bristle platform having a top surface, a bottom surface and a peripheral edge that extends from the top surface to the bottom surface; b. a plurality of outer and inner bristles attached to the top surface of said platform, said outer and inner bristles defining at their free ends a brush surface; and c. a resilient guard wall having a base attached to the peripheral edge of said bristle platform, and an unattached top which terminates below said brush surface, and said resilient guard wall having a plurality of wall segments separated by slot openings and being positioned with a gap opposing to the outer perimeter surface of said outer bristles, and each wall segment having a drainage hole which is extending from the top surface of the bristle platform and the length of each wall segment being longer than the distance between the centers of two adjacent tuft holes of the outer bristles opposing to the wall segment.