HELICOPTER SEAT FRAME Russian patent published in 2017 - IPC B64D11/06 B64D25/04 B60N2/44 

FIELD: aviation.

SUBSTANCE: helicopter seat frame comprises a seat pan, seat pan attachment lugs, two parallel vertical L-shaped racks formed as a single element, the front surfaces of which has a T-shaped guide intended for the mobile installation upper and lower attachment lugs on it. The racks lower ends are interconnected by a pipe, the ends of which are connected directly to the racks. Each rack is made with the lug for the seat attachment bracket fork placement in the bending point along an emergent nodal point mooring to the helicopter body. The lug is linked to the rack shelf with additional stiffeners. Each bracket is designed as a fork and fixed to the lug with two screws with washers and nuts, fixed to the floor profiles with quick pins. At the bottom the seat racks are interconnected with a spacer consisting of a tube and two glasses welded together. The spacer is mounted with its cups into cylindrical grooves in the bottom of racks and is secured with screws. Glasses are made flanged on the outer surface and are suitable for clamp mounting holding cups relative to the rack.

EFFECT: increased reliability, increased stiffness and construction strength.

2 cl, 5 dwg