AIRCRAFT STABILISER ATTACHMENT FRONT ASSEMBLY COUPLED WITH EXPANSION JOINT OF TWO STABILISER SIDE TORSION BOXES Russian patent published in 2014 - IPC B64C1/26 B64C5/02 B64C9/02 

FIELD: transport.

SUBSTANCE: invention relates to aircraft stabiliser front fitting joint. Stabiliser attachment front assembly jointed with expansion joint of stabiliser two side torsion boxes comprises front fitting, front shear panel, top shear panel, bottom shear panel and connection part composed of a post to secure the rib to wing spar. Front fitting comprises central part and two side parts that make an integrated part of composite. Central part comprises rectangular base, two parallel and symmetric sidewalls, top and bottom walls. Separate ears extend from sidewalls share one plate with appropriate sidewalls. Top and bottom walls are shorter that sidewalls, not parallel and not symmetric. Bottom wall is arched to face, by concave surface, the top wall. Two sidewalls have lateral side symmetric about each of central part side wall ears. Every lateral side of sidewall also has the ear with hole and extending edge extending along the entire its outer contour.

EFFECT: expansion joint, minimum load transfer by stabiliser side torsion boxes, decreased weight.

12 cl, 11 dwg