Patent ID: 8534946

Claim:
A container for propelling cosmetic pencils, comprising: a tubular holding body ( 4 ) having a first opening ( 4 a ) and a second opening ( 4 b ) opposite to the first one ( 4 a ) and presenting an inner surface; a lead-holder ( 7 ) axially movable in the holding body ( 4 ) and having a seat ( 9 ) facing the first opening ( 4 a ) and designed to receive a lead ( 3 ) of cosmetic material; a driving element ( 13 ) movable in rotation in the holding body ( 4 ) and having an operating portion ( 14 ) protruding from the second opening ( 4 b ); means for converting the rotation motion of the operating portion ( 14 ) into the axial motion of the lead-holder ( 7 ); wherein said converting means comprises a threaded body ( 12 ) being part of the lead-holder ( 7 ), and tabs ( 16 ) that are radially flexible in an elastic manner and integral with the driving element ( 13 ) and having threaded portions ( 17 ) in engagement with the threaded body ( 12 ); characterized in that the inner surface of the holding body ( 4 ) has an axial portion (C) of reduced inner diameter placed close to the tabs ( 16 ) to keep the threaded portions ( 17 ) of said tabs ( 16 ) against said threaded body ( 12 ) and ensure mutual engagement of the threads; said axial portion (C) having a conical shape diverging towards the second opening ( 4 b ).