Patent ID: 9016668
Filing Date: 2015-04-28
Classification: E04H,F41H,F42D

Abstract:
1. A barrier comprising: a housing having an exterior surface and an interior surface, the exterior surface comprising a front face and an opposing back face each extending between a top face and an opposing bottom face and also between a first side face and an opposing second side face, the interior surface bounding a chamber that is adapted to receive a ballast, the chamber being bounded by the front face, the opposing back face, the top face, the opposing bottom face, the first side face and the opposing second side face; and an elongated first locking groove recessed on the front face and extending between the top face and the opposing bottom face, the first locking groove including an elongated channel extending between the top face and the bottom face and a constricted mouth through which the channel can be accessed; an elongated further locking groove recessed on the first side face and extending between the top face and the opposing bottom face, the further locking groove including an elongated channel extending between the top face and the bottom face and a constricted mouth through which the channel can be accessed; and a first projection outwardly extending from the top face of the housing, the first projection bounding a port extending therethrough that communicates with the chamber.