Patent ID: 8974142
Filing Date: 2015-03-10
Classification: E01F

Abstract:
1. A crash cushion comprising: a plurality of resilient, self-restoring tubes each having a center axis and comprising an interior surface, wherein at least some of said plurality of tubes are positioned such that respective ones of said center axes are spaced apart in a longitudinal direction, wherein said center axis of at least one of said tubes is substantially perpendicular to a longitudinal axis extending in said longitudinal direction, and wherein said at least one of said tubes defines a diametral plane intersecting and oriented substantially perpendicular to said longitudinal axis, wherein said center axis of said at least one of said tubes lies in said diametral plane; and at least a pair of resilient segments, wherein said segments of each of said pairs of segments are disposed on opposite sides of said interior surface of said at least one of said tubes and intersect said diametral plane, wherein each of said segments is symmetrically secured to said at least one of said tubes relative to said diametral plane, and wherein said at least one of said tubes is substantially open between said opposed segments and is free of any reinforcing structure positioned between said opposing segments.