Cover for openings in construction

摘要

The assembly to cover an opening in a roof under construction, comprises two jibs (1,2) where each has a clamping system (11) at one side to be clamped to an edge of the opening (A). A screw spindle (14) is at the other side, to hold the jib against the wall (W) by pressure. The jib length can be altered in steps, and the clamp system may be set to the roof thickness (d). The clamping system may comprise of two guide elements (111,112) which may have the screw spindle (113) between them.