| 摘要 |
This disclosure pertains to a signalling device which is magnetically temporarily secured to an exterior surface of a motor vehicle. When in use, two end elements are disposed in parallel spaced apart relationship by a plurality of interconnected linkage arms forming a series of parallelograms. When expanded, the apparatus forms a display area having a substantially rectangular shape bounded on two sides by the end elements. The display surfaces of the end elements and the linkage arms are adapted with a reflective material permitting the operator of an oncoming vehicle to readily discern the presence of a disabled vehicle. The linkage arms are collapsible, thereby permitting easy storage within the motor vehicle when not in use. Carrying and size adjusting handles and a locking mechanism for locking the device in a collapsed position are provided.
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