FIELD: construction.
SUBSTANCE: device comprises an eavestrough installed under the lower edge of a pitched roof, made as capable of tilting turn in the vertical plane, besides, the lower edge of the roof is thickened and has minimum unsupported length. The eavestrough is formed with a rigid metal half-pipe with cross ribs or a rigid metal rib frame with an inserted half-pipe. Cross ribs of the metal half-pipe or the ribbed frame are by hinged joints connected with fixed brackets installed on the wall. When the eavestrough grows into ice crusts and icicles, the macroturn of the trough is carried out with the help of one of two types of proposed mechanisms - a rope-spring or a double-link-lever.
EFFECT: increased operational reliability of a roof.
7 cl, 4 dwg
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