Patent ID: 11970213
Assignee: TOYODA IRON WORKS CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A reinforcement for a vehicle structural member, wherein the reinforcement is disposed in an interior space of the vehicle structural member having a closed cross section and is joined by welding to the vehicle structural member, the reinforcement comprising:
a curved section formed in at least a part of a length of the reinforcement;
a top wall having first and second edges opposite each other; and
a first and second lateral wall extending respectively from the first and second edges of the top wall, the first edge forming a first ridge line between the top wall and the first lateral wall and the second edge forming a second ridge line between the top wall and the second lateral wall, wherein:
the top wall and the first and second lateral walls form a U-shaped cross section,
the first lateral wall includes:
a base surface;
a plurality of welding projections positioned along the length of the base surface, each welding projection having a raised surface for welding, wherein each welding projection is raised from the base surface of the first lateral wall toward the vehicle structural member; and
a bead between the welding projections within the curved section,

the bead is configured to prevent or suppress a wrinkle from forming during press forming,
the bead is raised from the base surface of the first lateral wall toward the vehicle structural member, and
the welding projections arranged within the curved section of the first lateral wall extend from the first ridge line and along the first lateral wall.