DEVICE FOR ATTACHMENT OF HELICOPTER MAIN ROTOR REDUCTION GEARBOX Russian patent published in 1997 - IPC

FIELD: attachment of helicopter main rotor reduction gearbox. SUBSTANCE: device has rods secured to reduction gearbox on one side and to fuselage on other side. Innovation of invention consists in rigid attachment of these rods. Rods are secured to fuselage in pairs by means of one bolt. End of each rod secured to reduction gearbox has flange with cylindrical mounting surface. Ends of rods secured to fuselage are made in form of pivot unit; pivot unit of one rod has inner mounting surface for pivot unit of other rod. EFFECT: reduced mass, simplified construction and ease of maintenance. 3 cl, 5 dwg