| 摘要 |
The invention relates to a device for adjusting height, comprising a tapped sleeve (5) with a first internal thread (5d) and a threaded bush (4) with an external thread (4c). Said threaded bush (4) can be screwed into the first internal thread (5d) of said tapped sleeve (5) in order to adjust a vertical position of the slide rail (2) and the slide rail (2) can be located on the free side of the threaded bush (4). |
