Case assembly for e.g. lipstick, has rotating case connected on piston in removable manner, so that axial force exerted on manual control unit causes, through pump fluid, corresponding force on piston and consequently on case

摘要

The assembly has a rotating case (2) and fixing and releasing units completely integrated in a cover (4). The units have a manual control unit (5), a movable piston (6), and a pump fluid (7) integrated between the unit and piston. The case is connected on the piston in a removable manner, so that an axial force exerted on the unit (5) causes, through the fluid, a corresponding force on the piston and consequently on the case.