| 摘要 |
<p>The stiffener element (10) has a ceiling connector (13) comprising a series of mounting holes or an oblong hole (13.2) and an orthogonally arranged web-like ceiling locking collar (13.1). A connector (12) is connected with a bottom connector (11) and the ceiling connector through connecting elements (14, 15) i.e. connecting bolts, which are inserted into one of the mounting holes or into the oblong hole. Web-like bottom locking collar (13.1) of the bottom connector and the ceiling locking collar of the ceiling connector are engaged with slot-shaped recesses (12.1, 12.2) of the connector.</p> |
