| 摘要 |
<p>A balloon carries a light bulb and is coloured with a warning sign and is attached by a tether to a vehicle. The balloon is carried in a deflated state in a container on the vehicle. When the vehicle is causing a hazard, for example as a result of a breakdown, the driver may operate a switch, lever or button within the vehicle which causes a lid of the container to open and the balloon to inflate so that it rises. Electricity is supplied to the light bulb by the tether and the light flashes. In an alternative embodiment, a flashing light bulb and warning sign are mounted on a telescopic rod arrangement. <IMAGE></p> |
