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Title: Retractable barrier strip

Abstract

A portable barrier strip having retractable tire-puncture spikes for puncturing a vehicle tire. The tire-puncture 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 spikes removably disposed in a shaft that is rotatably disposed in each barrier block. The plurality of barrier blocks hare hingedly interconnected by complementary hinges integrally formed into the side of each barrier block which allow the strip to be rolled for easy storage and retrieval, but which prevent irregular or back bending of the strip. The shafts of adjacent barrier blocks are pivotally interconnected via a double hinged universal joint to accommodate irregularities in a roadway surface and to transmit torsional motion of the shaft from block to block. A single flexshaft cable is connected to the shaft of an end block to allow a user to selectively cause the shafts of a plurality of adjacently connected barrier blocks to rotate the tire-puncture spikes to the armed position for puncturing a vehicle tire, and to the retracted position for not puncturing the tire. The flexshaft is provided with a resiliently biased retracting mechanism, and amore » release latch for allowing the spikes to be quickly retracted after the intended vehicle tire is punctured.« less

Inventors:
 [1];  [1];  [2];  [2]
  1. Idaho Falls, ID
  2. Wheeling, WV
Issue Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
OSTI Identifier:
874850
Patent Number(s):
6474903
Assignee:
Bechtel BWXT Idaho, LLC. (Idaho Falls, ID)
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES E01F - ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
DOE Contract Number:  
AC07-94ID13223
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
retractable; barrier; strip; portable; tire-puncture; spikes; puncturing; vehicle; tire; armed; position; retracted; plurality; blocks; removably; disposed; shaft; rotatably; block; hare; hingedly; interconnected; complementary; hinges; integrally; formed; allow; rolled; easy; storage; retrieval; prevent; irregular; bending; shafts; adjacent; pivotally; via; double; hinged; universal; joint; accommodate; irregularities; roadway; surface; transmit; torsional; motion; single; flexshaft; cable; connected; user; selectively; adjacently; rotate; provided; resiliently; biased; retracting; mechanism; release; latch; allowing; quickly; intended; punctured; integrally formed; /404/

Citation Formats

Marts, Donna J, Barker, Stacey G, Wowczuk, Andrew, and Vellenoweth, Thomas E. Retractable barrier strip. United States: N. p., 2002. Web.
Marts, Donna J, Barker, Stacey G, Wowczuk, Andrew, & Vellenoweth, Thomas E. Retractable barrier strip. United States.
Marts, Donna J, Barker, Stacey G, Wowczuk, Andrew, and Vellenoweth, Thomas E. Tue . "Retractable barrier strip". United States. https://www.osti.gov/servlets/purl/874850.
@article{osti_874850,
title = {Retractable barrier strip},
author = {Marts, Donna J and Barker, Stacey G and Wowczuk, Andrew and Vellenoweth, Thomas E},
abstractNote = {A portable barrier strip having retractable tire-puncture spikes for puncturing a vehicle tire. The tire-puncture 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 spikes removably disposed in a shaft that is rotatably disposed in each barrier block. The plurality of barrier blocks hare hingedly interconnected by complementary hinges integrally formed into the side of each barrier block which allow the strip to be rolled for easy storage and retrieval, but which prevent irregular or back bending of the strip. The shafts of adjacent barrier blocks are pivotally interconnected via a double hinged universal joint to accommodate irregularities in a roadway surface and to transmit torsional motion of the shaft from block to block. A single flexshaft cable is connected to the shaft of an end block to allow a user to selectively cause the shafts of a plurality of adjacently connected barrier blocks to rotate the tire-puncture spikes to the armed position for puncturing a vehicle tire, and to the retracted position for not puncturing the tire. The flexshaft is provided with a resiliently biased retracting mechanism, and a release latch for allowing the spikes to be quickly retracted after the intended vehicle tire is punctured.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {1}
}

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