Mazda Motor Corporation

Yosuke Onda

Masafumi Sakakida

Hideharu Kaeriyama

Yoshio Fujii

Kohei Kirita

Kenichi Yukumatsu

A connection member which connects an outside portion of a cross member and an inside wall face portion of a side sill includes a cross-member-side connection portion connected to the cross member and a side-sill-side connection portion connected to the side sill, the side-sill-side connection portion is configured to have a lower rigidity than the cross-member-side connection portion, and an outside end portion of the cross member is located at a specified position which is located on the outside of the cross-member-side connection portion and on the inside away from the inside wall face portion of the side sill. Thereby, the impact load in the vehicle side collision can be effectively supported by the cross member with a simple structure.

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Hiroshima, Japan

Yosuke Onda