Honda Motor Co., Ltd.

Yukihiko Nagai

Shota Anegawa

Masanori Kisaku

Katsumi Ochiai

Shiro Yagi

Provided is a top part structure of a vehicle body provided with: a roof side rail extending in a front-rear direction on a side part of the vehicle body, the roof side rail being formed by a rail inner, a rail outer joined to a vehicle outer side of the rail inner to form a cross-section, and a rail stiffener sandwiched between the rail inner and the rail outer to partition the closed cross-section; and a pillar extending downward from the roof side rail, the top part structure including: a bulkhead joined, at an intersection portion between the pillar and the roof side rail, to the rail stiffener, fastened by a bolt to the rail inner, and disposed such as to partition the closed cross-section between the rail inner and the rail stiffener.

Top part structure of vehicle body

A vehicle body structure includes a roof side rail, roof arch, and roof panel. The roof side rail includes a mount portion extending inward in a vehicle-transversal direction and having a vehicle-transversally outer end portion of the roof panel mounted thereto. The roof arch includes a vehicle-transversally outer end portion that is located outside a vehicle-transversally inner end of the mount portion in the vehicle-transversal direction, joined with the roof side rail, and disposed at a position that is spaced apart downward from the vehicle-transversally outer end portion of the roof panel. At least one of the roof arch and the roof side rail includes a flange portion that extends toward the other one of the roof arch and the side rail and comes into contact with the other one of the roof arch and the roof side rail to restrict downward movement of the roof arch.

Growing community of inventors

Saitama, Japan

Yukihiko Nagai