LOCKING DEVICE FOR CONNECTING HOUSING SECTIONS OF AN ADMINISTRATION APPLIANCE

摘要

The invention relates to an administration appliance comprising g) a front housing section (1, 3) containing a reservoir (2) for a diffusable product a nd a first locking element (3a); h) a piston which can be displaced in the reservoir (2) in an advance direction towards a reservoir outlet in order to diffuse the product; i) a piston rod (4); j) a rear housing section (11) whi ch is detachably connected to the front housing section (1, 3) and has a second locking element (21) which is engaged with the first locking element (3a) in a locking manner; k) a drive element (12; 32) which is positioned on the rear housing section (11) in such a way that it can be moved in and against the advance direction, said drive element acting on the piston rod (4) in the advance direction during a diffusion movement in order to move the piston in the advance direction; and l) a locking device (25) for the locking elements (3a, 21) which is coupled to the drive element (12; 32) in such a way that t he locking engagement can only be released in a release position of the drive element (12; 32).