DRAINAGE SYSTEM Russian patent published in 2011 - IPC E04D13/72 

FIELD: construction.

SUBSTANCE: drainage system comprises gutters, every of which consists of a tray with sides bent inside, funnels for connection of gutters with rainwater pipes and clamping brackets for fixation of pipes, and also frames of gutters suspension. Each of frames includes seat angles, lever holders, suspension levers, brackets and gutter holders. At the same time each angle is made with holes on one shelf for installation at roof timbers and with holes at the other shelf for fixation of a flat lever holder with a bolt, and the holder is arranged with several groups of holes for coupling with holes at one end and in the middle part of the flat lever with the possibility of adjustment of its angular position and protrusion of the gutter edge beyond the roof coating limits. At the other end of the lever there is a hole for bolt coupling with a lengthy hole of a bracket, having bent ledges and holes for parallel installation of gutter holders arranged in the form of perforated L-shaped plates for coupling with gutter sides, at the same time gutters are arranged with an alternate height of a tray, which gradually varies along length.

EFFECT: increased stiffness of drainage system.

8 cl, 29 dwg