Patent ID: 7320557
Filing Date: 2008-01-22
Classification: E01F

Abstract:
1. A security barrier for selectively preventing the passage of vehicles comprising: a base support; a pair of opposing pivot arms pivotally mounted on said base support for pivotal movement about corresponding pivot shafts; a barrier beam connected to said opposing pivot arms and extending transversely therebetween; an actuator supported on said base support and connected to at least one of said pivot arms to affect the pivotal movement of said pivot arms about said pivot shafts; and a plurality of reinforcing bands passing internally through said barrier beam and longitudinally through said pivot arms and mounted on an anchor corresponding to each said pivot arm such that said pivot arms are capable of moving vertically to orient said barrier beam from a lowered open position to a raised deployed position while maintaining said reinforcing bands within said pivot arms and said barrier beam.