Patent ID: 7484780
Filing Date: 2009-02-03
Classification: B60R

Abstract:
1. A bumper beam for an automobile having a plurality of automobile frame rails, the bumper beam comprising: an elongate beam body of B-shaped lateral cross-section defining a forward face and a rearward face, the rearward face being adapted to be supported by the rails at a plurality of mounting locations on the beam body, the rearward face including in lateral cross-section an upper deformable projection and a lower deformable projection, each of the upper and lower projections having an inner surface opposite the other projection, an outer surface, and a ridge bridging between the inner and outer surfaces, wherein a portion of the outer surface of each projection is inclined at a pre-defined angle with respect to a reference plane when the beam body is viewed in lateral cross-section such that the portion of the outer surface of each projection diverges outwardly on the beam body with increasing distance from the ridge of each projection, and wherein the inner surface of each projection includes a plurality of slots, the slots being positioned proximate to the mounting locations such that the slots are vertically aligned in front of the rails when the beam body is supported by the rails.