| 摘要 |
PURPOSE:To enhance the rigidity of a door sash and in its turn the rigidity of the whole side door without increasing the weight of the door sash and impeding surrounding view. CONSTITUTION:The vehicle width direction thickness W of a door sash 4C is formed to be gradually thinner toward the upper part from the lower part by the gradual change of the vehicle width direction dimension (w) of a box- shape cross section part 45 provided over the whole length of the door sash 4C. |
