| 摘要 |
FIELD: construction.SUBSTANCE: connecting unit comprises a vertical tail, which may be fixed to a specified leg, and a box-shaped flange protruding in the radial direction from the specified tail. The shelf may be fixed to the specified flange, at the same time the specified flange is structurally made of two external inclined walls that connect a top or a bending line with flat side edges having holes for passage of screws intended for fixation of the flange to the shelf. At the inner side the specified flange is made with ribs including the central axial rib, from which side ribs extend to connect the central rib to the holes of the sides.EFFECT: improved durability and stability of a unit.9 cl, 12 dwg |
