Clamp for securing metal sheets to beams of roofing systems, roofs and the like with joint for joining together base surface and bearing surface freely slidable in the longitudinal direction

摘要

Clamp for securing metal sheets (2) to roofing beams (3), comprising a horizontal base surface (10) in which at least two through-holes (11) are formed, a bearing surface (20), substantially perpendicular to the base surface (10), the base surface (10) being provided with raised transverse ribs (18a) and at least one raised longitudinal rib (18b), wherein fastening together of the base surface (10) and the bearing surface (20) is performed by means of a joint (16,21a,21b) between a horizontal edge (15) of the base surface and a horizontal foot (21) of the vertical surface (20) which provides at least one degree of freedom for relative sliding of the base surface (10) and bearing surface (20) in the longitudinal direction (X-X)