公开(公告)号：US20210214016A1

公开(公告)日：2021-07-15

申请号：US17054914

申请日：2019-06-14

Applicant: MAZDA MOTOR CORPORATION

Inventor： Hajime ITO ,  Hiroaki ISHIZU ,  Akiyoshi MASUDA ,  Shunsuke HIRAI ,  Yuuki SANO ,  Masashi NOTOMI ,  Takumi FUKUDA ,  Hidemitsu SHINHARA ,  Masahiro AWANE ,  Hidekazu SHIRAISHI ,  Yasuhiko NISHIDA ,  Takanori YOSHIDA ,  Ken YAMADA

IPC: B62D25/20 ,  B62D25/08

Abstract: Provided is a rear vehicle-body structure of a vehicle, capable of reducing vibrations transmitted from a rear wheel to a floor panel, while ensuring required performance for rear side frames and a cross member. The rear vehicle-body structure comprises a symmetric pair of frame members 6 extending in a vehicle longitudinal direction along respective lateral sides of a rear of a vehicle body of the vehicle, and a rear-side rear cross member 13 bridging the symmetric pair of frame members 6 in a vehicle width direction, wherein an attachment portion between each of the frame members 6 and the rear-side rear cross member 13 is provided with rigidity difference generation means 20 to generate a rigidity difference between the frame member 6 and the rear-side rear cross member 13.