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Title: Retractable barrier strip

A portable barrier strip is described having retractable tire-puncture means for puncturing a vehicle tire. The tire-puncture means, such as spikes, have an armed position for puncturing a tire and a retracted position for not puncturing a tire. The strip comprises a plurality of barrier blocks having the tire-puncture means removably disposed in a shaft that is rotatably disposed in each barrier block. The shaft removably and pivotally interconnects the plurality of barrier blocks. Actuation cables cause the shaft to rotate the tire-puncture means to the armed position for puncturing a vehicle tire and to the retracted position for not puncturing the tire. Each tire-puncture means is received in a hollow-bed portion of its respective barrier block when in the retracted position. The barrier strip rests in its deployed position and substantially motionless as a tire rolls thereon and over. The strip is rolled up for retrieval, portability, and storage purposes, and extended and unrolled in its deployed position for use. 13 figs.
Authors:
; ;
Publication Date:
OSTI Identifier:
215241
Report Number(s):
US 5,507,588/A/
PAN: US patent application 8-245,321
DOE Contract Number:
AC07-76ID01570
Resource Type:
Patent
Resource Relation:
Other Information: PBD: 16 Apr 1996
Research Org:
EG & G Idaho Inc
Country of Publication:
United States
Language:
English
Subject:
05 NUCLEAR FUELS; ENTRY CONTROL SYSTEMS; DESIGN; TIRES; RUPTURES; PHYSICAL PROTECTION; HUMAN INTRUSION; SECURITY; OPERATION; ACTUATORS