| 摘要 |
An administering apparatus comprising a dosing device, the administering apparatus comprising: (a) a casing (1, 3, 11) comprising a reservoir (2) for a product which can b e delivered; (b) a piston which can be shifted in the reservoir (2) in an advancing direction towards a reservoir outlet, in order to deliver product; (c) a piston rod (4); (d) a dosing and drive element (12) using which a dosing movement for selecting a product dosage and a delivery movement for delivering the product dosage can be performed relative to the casing (1, 3, 11), and which is in an engagement with the piston rod (4) which slaves the piston rod (4) during the dosing movement, b ut which allows a delivery movement of the dosing and drive element (12) relati ve to the piston rod (4); (e) and a dosage setting member (9) which is moved in the advancing directio n by the dosing and drive element (12) during the delivery movement, and which engage s with each of the piston rod (4) and the casing (1, 3, 11), such that it can only be moved in the advancing direction jointly with the piston rod (4) and is move d counter to the advancing direction, relative to the piston rod (4), by the dosing movement. |
