Fastening device for fixing balcony railings etc uses screw element with tension part which is displaceable in plane parallel to top plate and secured in end position through screw element

摘要

The fastening device uses a screw element (18,20) with tension part (22) which engages behind the edges of the plate opening (16) inside the profile element (12). The tension part can be displaced in a plane parallel to the top plate (14) and can be secured in its end position through the screw element. The screw element comprises at least one threaded rod (18) extending through at least one plate opening and spaced from the edge of the plate opening.