| 摘要 |
FIELD: personal use articles.SUBSTANCE: oral care system contains a toothbrush and a release device that is detachably connected to the toothbrush and contains a body with a fluid medium in its inner reservoir, the body release hole communicating with the reservoir via the fluid medium. The fluid medium delivery system contains a cogged rod penetrating into the reservoir, an executive mechanism for imparting movement to the rod and a piston unit. The piston unit forms the selectively mounted butt-end wall of the reservoir and contains a n external cup-type seal, engaged with the body so that to enable sliding, and an internal piston that is at least partially located inside such cup seal; the piston includes a ratch engaged with the cogged rod so that to enable motion which insulated the piston and the ratch from the reservoir and the oral care product to prevent the reservoir contamination.EFFECT: design improvement.24 cl, 41 dwg |
