US 12,071,174 B2
Subframe
Junichiro Suzuki, Tokyo (JP); Yohei Kato, Tokyo (JP); Susumu Yuasa, Tokyo (JP); Yui Takahashi, Tokyo (JP); Daisuke Yasufuku, Tokyo (JP); and Hiroshi Yoshida, Tokyo (JP)
Assigned to NIPPON STEEL CORPORATION, Tokyo (JP)
Appl. No. 18/023,569
Filed by NIPPON STEEL CORPORATION, Tokyo (JP)
PCT Filed Aug. 31, 2021, PCT No. PCT/JP2021/031824
§ 371(c)(1), (2) Date Feb. 27, 2023,
PCT Pub. No. WO2022/050244, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 2020-146523 (JP), filed on Sep. 1, 2020.
Prior Publication US 2023/0311993 A1, Oct. 5, 2023
Int. Cl. B62D 21/11 (2006.01)
CPC B62D 21/11 (2013.01) 9 Claims
OG exemplary drawing
 
1. A subframe comprising a base member and a first member,
wherein the base member is a channel-shaped member that includes a base surface portion and two wall portions on both sides of the base surface portion in a vehicle length direction and is open on a lower side of the base member in a vehicle height direction,
the first member includes a bottom wall portion, a top wall portion, and a side wall portion,
the bottom wall portion and the top wall portion are disposed in an order along the same direction as the base surface portion,
the top wall portion is overlapped on and joined to the base surface portion,
the wall portions and the bottom wall portion form the channel shape,
the side wall portion is a wall that blocks a vehicle width direction between the bottom wall portion and the top wall portion, and
a first lower arm support portion is formed by the base surface portion and the bottom wall portion.