| 摘要 |
<p>Setting foot provided with a base and a carrier of which the level can be set with respect to the base by means of a lifting mechanism, in which the base is provided with an axial cylindrical opening having a diameter with internal screw thread, whereas the cylindrical carrier is provided with an external screw thread which cooperates with the internal screw thread of the carrier for the axial setting of the carrier, provided with a lifting mechanism, characterized in that, the coupling device comprises: -a setting bolt with an external screw thread and an outer diameter, and a coupling device between the setting bolt and the carrier; - a hollow (10) along a substantial part of the length of the setting bolt; - a coupling member between the hollow (10) and the setting bolt (13).</p> |
