| 摘要 |
<p>A roof panel structure of a vehicle which can reduce a plate thickness and improve rigidity and does not affect fluttering properties and NVH (noise, vibration, harshness) performances. [Solution] A roof panel structure in which a center projecting surface portion 20 is provided in a vehicle-width direction of a roof panel 2, side projecting surface portions 21 are provided on both sides of this center projecting surface portion 20 in a longitudinal direction of a vehicle body, and step parts 22 in the vehicle-width direction are formed between the center projecting surface portion 20 and the side projecting surface portions 21 in the longitudinal direction of the vehicle body, and a width between a pair of recess strip portions 23 formed by the step parts22 in the longitudinal direction of the roof panel 2 is formed so as to be gradually reduced from a front end portion 2a toward a rear end portion 2b of the roof panel 2.</p> |
