| 摘要 |
PROBLEM TO BE SOLVED: To efficeintly conduct load transmission, to reduce weight, and to reduce the number of part items. SOLUTION: A suspension attaching part 1 attached to a suspension for mounting wheels on a body, a housing part 5 of the suspension of which an upper part is connected to the suspension attaching part 1, and to a lower part of which a side member 7 constituting a body lower skelton part is connected, and a hood ridge upper part 3 connected to an upper width-directional outside of the housing part 5 to constitute a body upper skeleton part are integrally formed of a casting comprising light metal as suspension mounting part structure S, and the hood ridge upper part 3 is formed into a cross-sectional shape comprising upper and lower wall parts 3c, 3d and a vertical wall part 3e in a width-directional inside, and opened width-directioally outwards. |
