Patent ID: 8091829

Claim:
A LIFTING STRUCTURE FOR A HORIZONTAL STABILIZER OF AN AIRCRAFT, that comprises two lateral boxes, the ends of which join together, mutually supporting one another, in a common central area, wherein the two boxes ( 1 ) are joined together by one single, one-piece part that constitutes a central rib ( 2 ) with a profile in the form of a double “T”, overlapping the extremities ( 3 ) of the lateral boxes ( 1 ) that come together on interior faces of wings ( 4 ) of the central rib ( 2 ), the joint being made with rivets ( 6 ), wherein the central rib ( 2 ) further incorporates, at a front and a rear thereof, a number of flaps ( 7 ) for joining to a number of supports, the flaps being situated perpendicular to a core ( 5 ) of the central rib ( 2 ) at the extremes of the core ( 5 ) of the central rib ( 2 ) forming an integral part of the central rib ( 2 ), and wherein the lateral boxes ( 1 ) have an arched profile, the extremities ( 3 ) that join together being flat in form, adapted to a flat surface where they overlap with the wings ( 4 ) of the central rib ( 2 ).