| 摘要 |
<p>The invention relates to a toothbrush with reservoir meant for oral hygiene. The claimed toothbrush has a support (1) wherein the toothpaste reservoir is located, an internal channel (5) wherethrough the paste passes from the reservoir to the bristles (8) by means of some orifices (6), a piston gearing system moving along an internal screw spindle (15) and where, according to the invention, the gearing system comprises a rosette (A), a fixed support (C), an external screw spindle (B) and the piston is provided with a side guiding recess (14) allowing it to slide along a fixed longitudinal rod (D).</p> |
