Cosmetic applicator with rotary cartridge

A cosmetic applicator comprising:

• a body (1) having a space defined axially therein, a tip part (11) connected to a first end of the body (1), an extension (12) extending from a second end of the body (1) and having a threaded portion (121) formed thereon, the body (1) having a shoulder (13) formed at a conjunction portion between the extension (12) and the body (1), a diameter of the shoulder (13) being larger than that of the threaded portion (121);
• a case (2) connected to the body (1) and having a room (21) which communicates with the space of the body (1), a rotary member (22) threadedly connected to the threaded portion (121) of the body (1), a contact member (23) received in the room (21) of the case (2) and being a T-shaped member, the case (2) having a contact portion (24) which is located corresponding to the shoulder (13) of the body (1);
• a liquid supply unit (4) axially received in the space of the body (1) and the room (21) of the body (2), the liquid supply unit (4) having a liquid tube (41), a duct (42) and a guide tube (43) having opposing first and second ends, the liquid tube (41) having a first end contacting the contact member (23), the guide tube (43) located in the space of the body (1), the duct (42) being inserted in an opening (411) defined in the first end of the liquid tube (41), the duct (42) having a passage (421) defined axially therethrough, a sealing member (422) being removably located at a first end of the duct (42) that faces the first end of the liquid tube (41), a diameter of the sealing member (422) being larger than an opening in the second end of the guide tube (43) so as to seal or open the guide tube (43), and
• the tip part (11) connected to the first end of the guide tube (43), a diameter of a second end of the guide tube (43) being smaller than an inner diameter of the passage (421), the second end of the guide tube (43) being located in the passage (421), the second end of the guide tube (43) contacting the sealing member (422), the guide tube (43) being longer than the duct (42), when the body (1) is located at an initial position (P1), the sealing member (422) seals the guide tube (43), when the case (2) is rotated by rotating the rotary member (22) along the threaded portion (121), and a distance (D) between the shoulder (13) and the contact portion (24) is reduced to an open position (P2), the sealing member (422) is pushed by the guide tube (43) and separated from the duct (42), and located in the liquid tube (41).