Invention Grant
US09469264B2 Polymer, energy absorber rail extension, methods of making and vehicles using the same 有权
聚合物,能量吸收器轨道延伸,制造方法和使用它们的车辆

Polymer, energy absorber rail extension, methods of making and vehicles using the same
Abstract:
In one embodiment, a rail extension comprises: an energy absorber comprising a polymer body, wherein the energy absorber comprises cells formed by cell walls extending a length of the energy absorber and forming cavities therethrough; each side of the energy absorber comprises an open channel wherein the channel is defined by walls of adjacent cells; a vehicle attachment tab extending from at least one of the cell walls at one end of the energy absorber; and a first vehicle attachment tab gusset extending between the vehicle attachment tab and the cell wall on one side of an opening in the vehicle attachment; wherein the energy absorber and the vehicle attachment tab were formed as one-piece.
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