| 摘要 |
<p>The dowel i.e. ground dowel (1) has a thread (2), a retaining sleeve (3) and a screwable clamping unit (4), which is mechanically coupled to the retaining sleeve for screwing the towel in a screwing position. The clamping unit is transferred into a retaining position after screwing the towel, where a rod-shaped object is fixed in the retaining sleeve in a radial direction in the retaining position. The clamping unit projects over an edge of the retaining sleeve in the screwing position and is completely inserted into the sleeve in the retaining position.</p> |
