US 12,296,767 B2
Automotive structural member
Atsushi Ono, Tokyo (JP)
Assigned to NIPPON STEEL CORPORATION, Tokyo (JP)
Appl. No. 17/802,356
Filed by NIPPON STEEL CORPORATION, Tokyo (JP)
PCT Filed Jun. 8, 2021, PCT No. PCT/JP2021/021740
§ 371(c)(1), (2) Date Aug. 25, 2022,
PCT Pub. No. WO2022/009589, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 2020-117662 (JP), filed on Jul. 8, 2020.
Prior Publication US 2023/0087083 A1, Mar. 23, 2023
Int. Cl. B60R 19/18 (2006.01); B60R 19/04 (2006.01)
CPC B60R 19/18 (2013.01) [B60R 19/04 (2013.01); B60R 2019/1806 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An elongated and hollow automotive structural member including a portion extending along a linear axis, comprising:
a first member extending in the axial direction of the automotive structural member;
a second member that extends in the axial direction and is connected to the first member to form a closed cross-section together with the first member; and
a stiffening member disposed between the first member and the second member,
wherein the first member includes a flange portion, a first member ridgeline portion connected to the flange portion, a protruding portion including a top surface that is connected to the first member ridgeline portion and aligned with a top surface of the flange portion at the same level, and a recessed portion adjacent to the protruding portion,
the second member includes a second member ridgeline portion that has an upper surface in contact with a lower surface of the first member ridgeline portion along the lower surface, a vertical wall connected to the second member ridgeline portion, and a bottom wall connected to the vertical wall, and
the stiffening member supports the recessed portion.