TRUSS WING RIB WITH COMPOSITE RACKS Russian patent published in 2018 - IPC B64C3/18 E04C3/29 E04B1/58 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering. Truss rib of the aircraft contains an upper metal cap of the rib, lower metal cap of the rib and rib racks, connected with the upper and lower metal caps of the belt. Rib racks are made hollow of a composite material. Each of the rib racks has, at both ends, metal endings connected to the hollow racks of the rib by means of a needle joint, which is an array of needle-shaped bumps on the surface of the metal ending, inserted into the end of the hollow rack of the rib. Metal endings are molded into the ends of the hollow racks of the rib. Each metal ending of the rib is provided with a compensator that is configured to be screwed into the metal ending. At the end of the compensator is a lug with a spherically seated bearing canted into it with a hole for bolted connection to the corresponding one of the upper metal cap of the rib or the lower metal cap of the rib.

EFFECT: invention is aimed at increasing the operational reliability of the truss rib structure of the aircraft, reducing the weight of the structure.

9 cl, 5 dwg