US 12,280,833 B2
Vehicle-body structure including a pair of rear-side frames
Takashi Hirakawa, Hiroshima (JP); Hideaki Hoshuyama, Hiroshima (JP); Tsuneki Shimanaka, Hiroshima (JP); and Nobuyuki Nakayama, Hiroshima (JP)
Assigned to MAZDA MOTOR CORPORATION, Hiroshima (JP)
Filed by Mazda Motor Corporation, Hiroshima (JP)
Filed on Sep. 8, 2022, as Appl. No. 17/939,991.
Application 17/939,991 is a continuation of application No. 17/903,197, filed on Sep. 6, 2022, granted, now 12,233,946.
Claims priority of provisional application 63/403,804, filed on Sep. 5, 2022.
Claims priority of application No. 2021-161834 (JP), filed on Sep. 30, 2021; application No. 2021-183258 (JP), filed on Nov. 10, 2021; application No. 2021-183259 (JP), filed on Nov. 10, 2021; application No. 2021-183261 (JP), filed on Nov. 10, 2021; application No. 2021-183318 (JP), filed on Nov. 10, 2021; application No. 2021-183326 (JP), filed on Nov. 10, 2021; and application No. 2021-183330 (JP), filed on Nov. 10, 2021.
Prior Publication US 2023/0099783 A1, Mar. 30, 2023
Int. Cl. B62D 25/20 (2006.01); B60K 1/00 (2006.01); B60K 1/04 (2019.01); B62D 21/04 (2006.01); B62D 21/11 (2006.01); B62D 21/15 (2006.01); B62D 25/08 (2006.01); B62D 25/14 (2006.01)
CPC B62D 25/2009 (2013.01) [B62D 25/20 (2013.01); B62D 25/2018 (2013.01); B62D 25/2027 (2013.01); B62D 25/2045 (2013.01); B60K 1/00 (2013.01); B60K 2001/0438 (2013.01); B62D 21/04 (2013.01); B62D 21/11 (2013.01); B62D 21/152 (2013.01); B62D 25/082 (2013.01); B62D 25/14 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A vehicle-body structure provided in an automobile, the vehicle-body structure comprising:
a floor panel constituting a floor of an occupant space including a seat on which a passenger sits;
a left-side rear-side frame extending in a vehicle front-rear direction on a vehicle rear side of the floor panel and on a vehicle left side;
a right-side rear-side frame extending in the vehicle front-rear direction on the vehicle rear side of the floor panel and on a vehicle right side;
a left-side load input portion that is fixed to the left-side rear-side frame and to which a load from a rear suspension device is input;
a right-side load input portion that is fixed to the right-side rear-side frame and to which a load from a rear suspension device is input;
a cross member provided at a position lower than the left-side load input portion and the right-side load input portion at a rear portion of the floor panel and extending in a vehicle width direction;
a left-side rear connection frame connecting the left-side load input portion and the cross member;
a right-side rear connection frame connecting the right-side load input portion and the cross member; and
a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion of the occupant space and extending in the vehicle front-rear direction, wherein
a rear portion of the center frame is connected to the cross member.