Patent ID: 8430596
Filing Date: 2013-04-30
Classification: E01F

Abstract:
1. A reusable energy-absorbing crash attenuator, comprising: a base; a rail disposed on and extending along a length of said base; a plurality of energy absorbing modules slidably disposed on said rail; wherein each of said energy absorbing modules comprises a first module portion and a second module portion which are attached together; each of said module portions comprising plastic and having a combination of concave and convex curvature; and further wherein a frontmost one of said energy absorbing modules is shorter in height and a second one of said energy absorbing modules rearwardly of said frontmost module is taller in height, relative to the frontmost module; and a plurality of fender panels disposed in adjoining end-to-end fashion along each side of the length of said crash attenuator, said fender panels being arranged to slide together in telescoping fashion upon impact of the crash attenuator by a vehicle.