| 摘要 |
Collapsible signal for presentation of traffic signs at building sites, accident sites and the like, which is opened and erected at the place of use comprises a three-legged stand 2 having a central guide tube 3. Signal support surfaces could be clamped between the legs. The guide tube accommodates a set of current sources 4 to supply electrical energy to a warning light 5 electrically coupled to the top of the stand, and the upper end of the guide tube is provided with a closure 8 by means of which the warning light can be coupled mechanically and electrically to the stand. |
