| 摘要 |
The present invention 10 discloses a telescopic device 14 mounted onto the side of an emergency vehicle 12 which has reflectors, 16, lights, or a caution sign 22 mounted on its rear facing surface so that when it is in its extended position the reflectors, lights, or caution sign are visible to the oncoming traffic and thereby act as a safety warning. The device has a base 21 for being mounted directly onto the side of the emergency or maintenance vehicle 12. The base 21 contains a hinge 21 about which the telescopic member rotates. Each telescopic section of the telescopic member 14 has means for stopping 26 each other section comprising overlapping lips 26 which allow the sections to be extended.
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