| 摘要 |
<p>The fastening device has a support rail for mounting the solar panel on an associated roof hooks or other mounting systems. A rail collector tensioner (1) has a mechanical indicator (4) that signals the attainment of the correct position during the assembly of the tensioner between two solar panels. The collector tensioner is provided with a hold-down top part (2) and a lower part (3) with the mechanical display as a mounting aid. The hold-down top part is provided in a curve shape like a bow in the upward direction.</p> |
