Patent ID: 8590439

Claim:
An attack-resistant barrier comprising: a cap comprising: a barrier engaging portion configured to be secured to a cap engaging portion of a barrier member, the barrier engaging portion comprising a connecting member, and first and second side walls supported by the connecting member, the connecting member comprising a bottom surface configured to abut the barrier member, the first side wall comprising a first inner surface and a first outer surface that is opposite the first inner surface, the second side wall comprising a second inner surface facing the first inner surface, and the second side wall comprising a second outer surface that is opposite the second inner surface, wherein the bottom surface, the first inner surface, and the second inner surface collectively define a first recess that is configured to receive the cap engaging portion when the cap is secured to the barrier member; and a trough comprising a base member, and first and second trough side walls supported by the base member, the base member comprising a top surface, the first trough side wall comprising a first trough inner surface, and the second trough side wall comprising a second trough inner surface facing the first trough inner surface, such that the top surface, the first trough inner surface and the second trough inner surface collectively define a second recess; and an upper wall configured to be at least partially received within the second recess, the upper wall defining an attack side major surface and a protected side major surface, such that the attack side major surface is offset from both the first outer surface and the second outer surface when the upper wall is at least partially received within the second recess.