Patent ID: 6428237
Filing Date: 2002-08-06
Classification: E01F

Abstract:
Crash cushion apparatus for roadway barriers including moveable, permanent and portable barriers, said crash cushion apparatus comprising, in combination:a nosepiece; one or more impact absorption elements connected to said nosepiece, each impact absorption element including a container having a forward end, a rearward end, and two deformable sides extending between said forward end and said rearward end, each deformable side having at least one vertical indentation, with one deformable side having at least one more vertical indentation than the other of said deformable sides; and a transition/attachment assembly connected to said one or more impact absorption elements and adapted for connection to a roadway barrier, said one or more impact absorption elements being deformable to absorb energy when opposed forces are applied to the forward and rearward ends thereof with the forward and rearward ends at the deformable side thereof having at least one more vertical indentation than the other of the deformable sides thereof being closer together after application of said opposed forces than the forward and rearward ends at the other of the deformable sides thereof.