CPC B60J 5/0447 (2013.01) [B60J 5/0423 (2013.01)] | 9 Claims |
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.
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