RESCUE DEVICE AT HELICOPTER EXTERNAL SUSPENSION Russian patent published in 2015 - IPC B64D1/14 A62B1/00 

FIELD: aircraft engineering.

SUBSTANCE: proposed device comprises guarding structure comprises of bottom (1) and sidewall (2) folding in vertical direction by gravity at resting from below and folding in the same direction at its fixing at upper part. Slings (3) connect sidewall upper part with helicopter eternal suspension. Support carcass (5) with protective cover (6) is secured to aforesaid bottom. Sidewall is composed by bellows tightly secured by OD of one of its crimps over OD of outer bottom to make the top chamber to house salvaged objects and bottom damper chamber filled with compressed air. Air valve is arranged in the bellow of said bottom bellow.

EFFECT: higher safety.

3 dwg