| 摘要 |
<p>The bar (19) has two legs (31) connected to a crosspiece (15), where each leg has a wedge (33) fixed on an upper side of a roof (3) and a connection unit (37). The unit is connected to the crosspiece and the wedge having a carrier surface, where the unit takes support on the carrier surface with a support surface. The support and carrier surfaces are arched in a manner such that the unit rotates with respect to the wedge and is fixed at different positions at the wedge. The unit has a foot (39) with a wall having rails extending from the bottom towards the top.</p> |
