Luggage-type baggage article

A luggage-type baggage article, comprising:

• at least two half-shells,
• an extendable and retractable handle mechanism which is at least partly housed in one of at least two half-shells and configured to lock or unlock a handle of the article in a position selected from a plurality of extension positions of the handle relative to said at least two half-shells, by a rotation of a grip portion of the handle,
• wherein the extendable and retractable handle mechanism comprises:
• a handle axle to rotate the grip portion, which is mechanically connected thereto,
• at least one sheath mounted to be fixed in one of said at least two half-shells,
• at least one elongate member of a predetermined cross-section mounted to be movable in translation relative to said at least one sheath,
• at least one locking/unlocking system mechanically connected to said at least one elongate member and housed at least partly in said at least one sheath,
• at least one interface system configured to be actuated by the handle axle and to actuate said at least one locking/unlocking system, and
• at least one support member forming a housing for a portion of the handle axle and for said at least one interface system, said at least one support member being provided with a wall forming a guide and a stop for said at least one interface system and for the handle axle between a first position of the grip portion and of the handle axle, wherein said at least one locking/unlocking system locks the handle in the selected position in the first position, and wherein said at least one locking/unlocking system unlocks the handle in a second position of the grip portion and of the handle axle obtained by a rotation of the grip portion.