FOLDING WING OF AIRCRAFT Russian patent published in 2008 - IPC F42B10/14 

FIELD: weapons.

SUBSTANCE: invention is related to rocket engineering in particular to aircrafts exposed to strong wind waves. Folding wing of aircraft contains base with indent that is rigidly fixed in aircraft body, blade that is arranged with possibility of turn on axes in relation to base and connected to movable elements. Opening device installed in indent is equipped with leaf spring that is fixed with base in its medium portion and connected with elastic elements with its ends. Fixing devices are installed on both ends of leaf spring and interact with movable elements. Opening device is equipped with torsion installed on blade rotation axis and fixed with its one end to blade and with other end to base element. Every fixing device is equipped with lock device, which interacts with slots of bushing that is installed on corresponding axis of blade. Bushing slots are reamed in relation to each other at angle of blade opening.

EFFECT: increase of folding wing operation reliability by provision of reliability of opening and fixation of blade in preset time interval under effect of strong wind waves.

3 cl, 4 dwg