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Vehicle barrier system

  • US 7,828,492 B2
  • Filed: 03/28/2008
  • Issued: 11/09/2010
  • Est. Priority Date: 07/21/2004
  • Status: Expired due to Fees
First Claim
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1. A security barrier system for use with a site requiring protection from advancing vehicles comprising:

  • a composite system having a plurality of elevations and comprising;

    the trafficable surface disposed at a first elevation;

    a bed having a portion disposed at a second elevation above the first elevation, the bed having a first layer beneath a second layer, the first layer comprising a deformable material configured to collapse when subjected to vehicle loads, the second layer comprising a pedestrian cover surface over the deformable material that conceals the deformable material, the pedestrian cover surface configured to support pedestrian traffic over the deformable material without permanently collapsing the deformable material and to collapse along with the first layer when subjected to vehicle loads; and

    a structure having a portion disposed at a third elevation above the second elevation and beyond the bed configured to resist the impact of a vehicle that has traversed the bed.

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