| 摘要 |
PURPOSE: An upper arm for multi-link type rear suspension is provided to improve steering property and ride comfort of a vehicle by the formation of a curling portion at the center thereof. CONSTITUTION: An upper arm for multi-link type rear suspension comprises a flange(11) and a curling portion(30). The flange is bent downward in a single panel press type. Both edges of the flange are bent in the width direction. The curling portion is formed at the center of the flange. The curling portion overlaps the flanges to each other and welds the flanges. |
