Mazda Motor Corporation

Yukari Fujii

Takayuki Kimura

Yoshikazu Nishimura

Keizo Kawasaki

Yuichi Sugimura

Masaki Motoki

Katsuyoshi Ishigame

Katsumi Ejima

Kohei Kirita

Kenjiro Miki

Takashi Ebisugi

Akihiro Yukimori

Masataka Masuda

A reinforcing member is provided at a lower-outside corner of a side-sill reinforcement so as to extend in the vehicle longitudinal direction including a connection portion of the side sill to a center pillar for straining deformation of the corner. A deformation promoting portion which is provided at an upper portion of the side-sill reinforcement at a specified position which corresponds to the connection portion for prompting deformation of the upper portion of the side-sill reinforcement. Accordingly, a lower vehicle-body structure of a vehicle which can properly restrain the side sill and the center pillar from coming toward the vehicle inside at the vehicle side crash can be provided.

Lower vehicle-body structure of vehicle

A roll bar structure of a vehicle equipped with side panels and an open top, including a crossbar having a closed section and extending in a vehicle width direction between both of the side panels, the roll bars having a reverse-U shape and at least pan thereof projecting above the crossbar, and through holes formed at upper and lower portions of the crossbar, wherein one-side part of the roll bar extending substantially vertically penetrates the through holes, and the roll bars are connected respectively with the upper and lower portions of the crossbar which the roll bars penetrate, such that, a resistance of the roll bar structure against a vehicle rollover can be increased by firmly connecting the roll bars with the crossbar.

Roll bar structure of vehicle

Growing community of inventors

Hiroshima, Japan

Yukari Fujii