FRAGILE MAST Russian patent published in 2015 - IPC E04H12/02 

FIELD: construction.

SUBSTANCE: fragile mast consists of N, where N - integral value (N ≥ 1), N of lower supports, N of upper supports and comprises at N ≥ 2 braces and slanted struts. Mast additionally comprises N of equidistant shells of friable material (hereinafter the shell), N of elastically compliant intermediate layers. The lower supports are rigidly secured on the foundation, the lower and upper supports are arranged in pairs coaxially to each other with formation of the gap between them. Equidistant shells made of friable material surround each pair of supports in the area adjacent to the gap. Flexible layers fill the internal area between the shell and upper and lower supports in each pair with formation of the supports by pairs of single space structure of the mast trunk.

EFFECT: simplification of antenna fastening on the fragile mast and fragile mast to the foundation, increase of reliability of antenna fastening on the fragile mast and fragile mast on the foundation, provision of mast destruction in case of impact of the aircraft, without inflicting significant damages.

7 cl, 16 dwg