| 摘要 |
a) Mobile installation for signalling, especially for selective signalling (distribution of lanes) at the entry of a toll station; b) characterised in that A) the main cone-shaped element is a hollow element which can be filled with a load (charge), this cone having a wide base and a prismatic vertex, at least one facet of which carries a reflecting means in the form of a small reflecting plate, the vertex including a cable passage whose axis is inclined with respect to the perpendicular to the facet carrying the small reflecting plate, B) the spherical intermediate element has: - a plane lower surface - and the passage for the cable, made in this element, is inclined with respect to the perpendicular to the facet carrying a reflecting means in the form of a small reflecting plate, this passage for the cable being situated above the centre of gravity of the intermediate element, C) the fastening point (1) consists of a means for winding and tensioning the cable. <IMAGE> |
