US 11,890,919 B2
Door beam structure for vehicle side door and manufacturing method thereof
Takayuki Soma, Saitama (JP); Eiji Hirano, Saitama (JP); Yu Iemura, Saitama (JP); Hiroyuki Kumeno, Ehime (JP); Kozaburo Sakamaki, Ehime (JP); and Masanori Fukuda, Saitama (JP)
Assigned to HONDA MOTOR CO., LTD., Tokyo (JP); and SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo (JP)
Filed by HONDA MOTOR CO., LTD., Tokyo (JP); and Sumitomo Heavy Industries, Ltd., Tokyo (JP)
Filed on Mar. 28, 2022, as Appl. No. 17/705,926.
Claims priority of application No. 2021-056556 (JP), filed on Mar. 30, 2021.
Prior Publication US 2022/0314757 A1, Oct. 6, 2022
Int. Cl. B60J 5/04 (2006.01)
CPC B60J 5/0447 (2013.01) [B60J 5/0423 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A door beam structure for a vehicle side door, comprising:
a door beam having a hollow cross section,
wherein the door beam includes:
an outside portion forming a hollow flange of the door beam arranged to face a door skin, and
an inside portion forming a hollow door beam body of the door beam, and
a width of the flange becomes gradually shorter from a center portion in a longitudinal direction of the door beam toward both ends in the longitudinal direction of the door beam.