Patent ID: 7503601

Claim:
A bumper reinforcement beam for vehicle bumper systems comprising: a B-shaped reinforcement beam formed from a sheet into an elongated tubular beam of constant section, the tubular beam having a vertical cross section defining at least first and second tubes connected by a center web and including a front wall that extends across the first and second tubes and the center web to define a channel therebetween; the first and second tubes each including a forwardmost point that when connected by a straight line defines a depth dimension (D 1 ) to the center web of about 15-30 mm, the front wall over each of the first and second tubes including an outwardly-bent section of wall defining a radius (R 1 ) formed about a horizontal axis that is between about 15-25 mm, the outwardly-bent section extending between the center web and the forwardmost point of the associated first and second tubes and extending at least about half of the associated first and second tubes; and mounts attached to ends of the beam for attachment to a vehicle frame.