| 摘要 |
A TOOTHBRUSH HEAD (121) WITH BRISTLES (124) COMPRISING TAPERED AND NON-TAPERED BRISTLES, IN WHICH THE NON-TAPERED BRISTLES EXTEND TO TWO DIFFERENT LENGTHS FROM THE FACE (123), BEING A FIRST GREATER LENGTH LN1 AND A SECOND SHORTER LENGTH LN2. IN A PREFERRED EMBODIMENT NON-TAPERED BRISTLES ARE COMBINED WITH TAPERED BRISTLES (125) IN TUFTS (1241, 1242) WHICH ARE INCLINED IN OPPOSITE DIRECTIONS AWAY FROM AND TOWARDS THE GRIP HANDLE (122). |
