Patent ID: 7192212

Claim:
An application device ( 1 ), in particular for applying a liquid, gel-like or pasty cosmetic to the skin, comprising a container ( 3 ) for the cosmetic; an applicator ( 6 ) which is connected to the container ( 3 ) via at least one supply channel ( 14 ); a piston ( 4 ) which is displaceably guided in the container ( 3 ) for delivery of the cosmetic towards the applicator ( 6 ); an operating mechanism ( 5 ) for operating the piston ( 4 ), the operating mechanism comprising a threaded rod 35 ) having an end thereof molded on the piston ( 4 ) so that the threaded rod and piston form an integral unit; wherein the operating mechanism ( 5 ) is connected and secured to the container ( 3 ), via a flexible interlocking device ( 30 , 31 ); wherein the interlocking device ( 30 , 31 ) comprises a flexible interlocking element ( 30 ) which is provided on an outer side of a wall of the operating mechanism ( 5 ), and an internally threaded section ( 33 ) rotatably engaged to the threaded rod ( 35 ) formed on an inner side of the wall of the operating mechanism ( 5 ), wherein the flexible interlocking element ( 30 ) for flexible dislocation, is disposed in the vicinity of a wall weakening ( 32 ) of the operating mechanism ( 5 ).