| 摘要 |
An equipping pillar for electrical current and information distribution has a active spring element (30) between a lifter body (20) of the top fixture (4) and the upper part (3) of the column, so as to take up an active position during which an isolating spring action is exerted between the lifter body (20) and the upper part (3), or a quiescent position in which no such force is exerted, such that the regulating element (27) and the spring element is pretensioned in the quiescent position. |
