| 摘要 |
PURPOSE: A trailer vehicle is provided to prevent a vehicle from overturning by preventing excessive rotation in a specific angle when rotating through adding crank structure which is not rotated in a specific angle between a tractor and a trailer. CONSTITUTION: A trailer vehicle comprises a trailer(4), a tractor(3), and a connector(5). The trailer loads objects and the tractor pulls the trailer. The connector is connected to a connecting part of the trailer and the tractor and prevents the trailer and the tractor from being bent to greater than 30 degrees.
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