| 摘要 |
The invention relates to a dispenser (1) for a liquid, creamy, semi-solid or solid product of the cosmetic, pharmaceutical or parapharmaceutical type, that comprises a tank (2) for containing said product and having a first open end (3) for discharging the product and a second end (6) with a bottom (7) defining a mobile piston capable of translation inside the tank and rotationally blocked, wherein said bottom is associated with corresponding driving means including, on the one hand, a control thumb wheel (30) mounted so as to be capable of rotation and blocked in translation and, on the other hand, a main threaded screw (10) connected to the mobile bottom and driven in translation by the thumb wheel, characterised in that the driving of the threaded screw connected to the mobile bottom by the thumb wheel is carried out via at least one intermediate screw (18, 21) capable of rotation and translation movement. |
