Patent ID: 9525088
Filing Date: 2016-12-20
CPC Classification: F24S,H01L,H02S,Y02B,Y02E,Y10T

Claim Text:
1. A fastening of a support rail for a photovoltaic module to a trapezoidal rib of a trapezoidal sheet, wherein the support rail comprises an undercut groove with a groove opening arranged on a bottom side of the support rail, the trapezoidal rib comprises an upper side and a slanted side, and the support rail is configured to be positioned transversely to the trapezoidal rib, the fastening comprising: at least one retaining element comprising: wherein, the engaging extension is configured to be insertable through the groove opening into the undercut groove of the support rail in a loose position that is rotated relative to the engaging position, the bottom side of the support rail in the engaging position is in direct contact with and is held down against the upper side of the trapezoidal rib by the engaging extension, and each of the at least one retaining element is arranged on a single slanted side of the trapezoidal rib.