| 摘要 |
<p>The fastening unit has a screw (20) accommodated in a plastic holder (10) in a pivotable manner. The screw with its screw head (21) is mounted on a support shoulder (13) in a hollow shaft (11). The screw is engaged into an anchor attachment (30). The anchor attachment has a deformable zone (31), which is expanded by the screw within a hollow space or above or below an underground. A casing (40) provided with an internal thread (41) is arranged on an external thread (32) of the anchor attachment in a longitudinally and axially adjustable manner.</p> |
