Patent ID: 6227733
Filing Date: 2001-05-08
Classification: A45D

Abstract:
A cosmetic dispenser, comprising:a tubular A-shell having an interior wall and an exterior wall, and having a plurality of longitudinal splines provided on said interior wall of said A-shell;an elevator having an elevator cup at an upper end thereof and an elevator stem at a lower end thereof, said elevator cup being fitted inside said A-shell and having a plurality of notches around an outer wall thereof for receiving said longitudinal splines, wherein said elevator cup notches are formed in a deformable annular bead extending around said outer wall of said elevator cup, said elevator cup notches being formed by deformation of said annular bead caused by said A-shell splines when said cosmetic dispenser is operated, said elevator stem having an exterior wall with a circular cross-section and a lug extending radially outwardly therefrom;a base element having an inner wall with a circular cross-section and an internal helical track section, said lug being engaged with said internally helical track section, said base element being rotatably attached to said A-shell;means for generating friction between said base element and said A-shell upon relative rotation of said base element and A-shell;said cosmetic dispenser being operable to cause said elevator cup to travel longitudinally in said A-shell by rotation of said base element relative to said A-shell, said A-shell splines received in said elevator cup notches maintaining said elevator cup in a fixed orientation relative to said A-shell.