摘要 |
Pole has a trapezoidal-shaped profile (1) closed by a sliding panel (2). Fixation system and several connections are introduced in the panel. Profile has four flat faces including one semi-open face having two returns defining opening and central pillar where prominent parts of bolts and threaded rods, water and electricity conduits are placed. Cap (3) is fitted at upper end of the pole, and sliding panel closes profile along its entire length. |