Mazda Motor Corporation

Makoto Morimitsu

Yoshikazu Nishimura

Hideaki Hoshuyama

Seigo Taguchi

A roof reinforcement () includes an upper surface portion () to be joined to a roof panel (), and a recess portion () formed in such a manner as to be recessed below the upper surface portion (). A rising piece () rising from a bottom surface portion () upwardly, and a joint piece () extending from an upper end of the rising piece () outwardly in the vehicle width direction are formed at both ends of the bottom surface portion () of the recess portion () in the vehicle width direction. The joint piece () is welded to the roof panel () and to each of flange portions () of the roof reinforcement ().

Growing community of inventors

Hatsukaichi, Japan

Makoto Morimitsu