| 摘要 |
The arrangement (1) comprises a gutter (10) made from sheet steel and at least one roof beam (20). The gutter contains at least one hole (11) for locating one end of the beam or a part secured to this beam. At least one of the hole edges is turned back to form a first engagement part (12) protected in the gutter length direction. A second engagement part (21) is provided on the beam so that it can engage with the turned back edge of the hole in order to secure the beam to the gutter. |
