| 摘要 |
A hybrid combination structure of a roof frame is provided. In particular, the hybrid combination structure of a roof frame is configured to include a roof frame made of a plastic material, a front reinforce panel made of a steel material and mounted at a front of the roof frame, a center reinforce panel made of a steel material and mounted at a middle of the roof frame, and a rear reinforce panel made of a steel material and mounted at a rear of the roof frame to provide the integral roof frame in which steel and plastic are combined with each other, thereby improving sag and torsion problems to improve support rigidity and reducing weight and costs to improve a value of the product. |
