| 摘要 |
FIELD: construction.SUBSTANCE: roof cornice comprises an elastic strip from steel protruding beyond its edge made as capable of retaining snow, ice and icicles. The strip is bent along a multiwave sinusoidal curve with the mechanism of development of longitudinal tension by critical force of high-order, at the same time one end of the strip is fixed on the cornice hingedly with the help of the axis, and the tension development mechanism is a cantilever stand of rectangular cross section with adjustment screws and movable fixators engaged into a power sliding contact with the other end of the strip.EFFECT: increased operational reliability of a roof.1 dwg |
