| 摘要 |
FIELD: construction. ^ SUBSTANCE: cover comprises profiled flooring, beams and transverse cantilever support of beam counter-twisting. Profiled flooring is laid in beams of channel or Z-shaped section. Cantilever support with its one end is engaged to point of beam upper shelf, and with its other end - against adjacent lower shelves of profiled flooring. Cantilever support is arranged in the form of plate having trapezoid shape, base of which is equal to or more than pitch of lower shelves in profiled flooring. Middle part of plate is bent over back of upper shelf of beam and rests against beam wall. ^ EFFECT: simplified manufacturing and assembly of cover. ^ 1 dwg |
