FIELD: construction.
SUBSTANCE: device to fix fittings on hollow chamber section bars by means of fastening assembly pulled into hole at least through one wall of section bar to transfer force from fitting into section bar. Fastening assembly is arranged as fastening dowel, arranged with the possibility of entering into holes, and has at least two fixing ledges. In installed condition of fastening dowel at least one wall of section bar enters between fixing ledges with engagement. Fastening dowel has main solid, diametre of which is less than diametre of hole and is arranged so that radial expansion of inserted dowel takes place without formation of clamp fit.
EFFECT: fast and simple assembly of fitting on multi-chamber section bar.
17 cl, 18 dwg
