WO2003072395B1 - Crash cushion with deflector skin - Google Patents

Crash cushion with deflector skin

Info

Publication number
WO2003072395B1
WO2003072395B1 PCT/US2003/005852 US0305852W WO03072395B1 WO 2003072395 B1 WO2003072395 B1 WO 2003072395B1 US 0305852 W US0305852 W US 0305852W WO 03072395 B1 WO03072395 B1 WO 03072395B1
Authority
WO
WIPO (PCT)
Prior art keywords
cylinders
deflector
array
skins
deflector skins
Prior art date
Application number
PCT/US2003/005852
Other languages
French (fr)
Other versions
WO2003072395A3 (en
WO2003072395A2 (en
Inventor
Michael J Buehler
James B Welch
Original Assignee
Energy Absorption System
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Energy Absorption System filed Critical Energy Absorption System
Priority to JP2003571117A priority Critical patent/JP2005518977A/en
Priority to EP03723656A priority patent/EP1478548A2/en
Priority to AU2003230573A priority patent/AU2003230573B2/en
Priority to CA002476172A priority patent/CA2476172C/en
Priority to KR10-2004-7013467A priority patent/KR20040093077A/en
Publication of WO2003072395A2 publication Critical patent/WO2003072395A2/en
Publication of WO2003072395A3 publication Critical patent/WO2003072395A3/en
Publication of WO2003072395B1 publication Critical patent/WO2003072395B1/en
Priority to NO20044029A priority patent/NO20044029L/en

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145Means for vehicle stopping using impact energy absorbers
    • E01F15/148Means for vehicle stopping using impact energy absorbers mobile arrangements
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145Means for vehicle stopping using impact energy absorbers
    • E01F15/146Means for vehicle stopping using impact energy absorbers fixed arrangements

Abstract

A crash cushion comprising a resilient cylinder (14) having a substantially vertical longitudinal axis and an outer surface at least a portion of which is adapted to be exposed in or to a roadway. A deflector skin (42) has a curved outer contour shaped to mate with the outer surface of the cylinder (14). The deflector skin (42) is mounted on the outer surface over at least a portion of the portion of the outer surface that is adapted to be exposed to the roadway. A crash cushion system includes an array of cylinders (14) and at least one deflector skin (42). In another aspect, a plurality of cylinders, at least some of which define a side of the array, each have an outermost vertical tangent (38), the combination of which defines a vertical plane. One or more deflector skins (42, 44) each including a leading edge and a trailing edge are mounted to corresponding ones of the cylinders forwardly of the tangent. In one preferred embodiment, the one or more deflector skins (44) are substantially flat and are oriented in a non-parallel relationship with the vertical plane. Preferably, only the leading edge of the deflector skins (44) is mounted to the cylinder. Methods for using and assembly the crash cushion systems are also provided.

Claims

AMENDED CLAIMS[received by the International Bureau on 13 May 2004 (13.05.04) original claims 12, 13, 21 and 22 replaced by new claims 1-4; and claims 14-20, 25-32 replaced by new claims 6-20; new claim 21 added; original claims 1-11, 23, 24 and 33-56 cancelled; "]
1. A crash cushion system comprising: an array of resilient, self-restoring cylinders each having a substantially vertical longitudinal axis and an outer surface comprising a convex shaped curved portion, wherein said array comprises a plurality of said cylinders, and wherein said array of cylinders has a front, a side and a rear, wherein said side is defined at least in part by said curved portions of at least some of said plurality of said cylinders, wherein said outer surface of corresponding ones of said cylinders each define a perimeter of said corresponding ones of said cylinders; and at least one deflector skin comprising an inner surface and an outer surface, wherein said inner surface has a concave shaped curved contour shaped to mate with and facing said convex shaped curved portion of said outer Surface of at least one of said cylinders forming said side of said array, wherein said at least one deflector skin is mounted to' said at least one of said cylinders on said outer surface thereof over at least a portion of said curved portion that defines part of said side of said array, and wherein said at least one deflector skin extends around only a portion of said perimeter of [said at least one of said cylinders.
2. The invention of claim 1 wherein said at least one deflector skin comprises a plurality of deflector skins each comprising an inner surface and an outer surface and having a curved contour shaped to mate with said outer surface of a corresponding one of alj least some of said cylinders forming said side of said array, wherein each of said plurality of said deflector skins is mounted on said outer surface of said corresponding one of said cylinders over at least a portion of said curved portion of said outer surface that defines part of said side of said aπ'ay.
3. The invention' of claim 2 wherein said deflector skins each extend around only a portion of said perimeter of said corresponding one of said cylinders.
28
4. The invention of clai 1 wherein said plurality of cylinders are made in part of an elastomeric material.
5. The invention of claim 1 wherein said inner surface of said at least one deflector skin contacts said outer surface of said at least one of said cylinders.
6. A crash cushion system comprising: an array of resilient, self-restoring cylinders each having a substantially vertical longitudinal axis and an outer surface comprising a curved portion, wherein said array comprises a plurality of said cylinders, and wherein said array of cylinders has a front, a side and a rear, wherein said side is defined at least in part by said curved 'portions of at least some of said plurality of said cylinders; and a plurality of deflector skins each comprising an inner surface and an outer surface and having a curved contour shaped to mate with said outer surface of a corresponding bne of at least some of said cylinders forming said side of said array, wherein each ,of said plurality of said deflector skins is mounted on said outer surface of said corresponding one of said cylinders over at least a portion of said curved portion of said outer surface that defines part of said side of said array, and wherein said plurality of deflector skins comprises a plurality of first deflector skins, and further comprising a plurality of second deflector skins each mounted on said outer' surface of a corresponding one of said plurality of said first deflector skins.
7- The invention of claim 6 wherein said each of said plurality of second deflector skins is substantially flat and extends tangen ially from said outer surface of said corresponding one of said plurality of said first deflector skins,
8. The invention of claim 7 wherein each of said corresponding ones of said cylinders comprises an outermost vertically oriented tangent, and wherein said leading edge of each of said plurality of said second deflector skins is mounted on said first deflector skin forwardly of said tangent on said corresponding one of said cylinders.
9- The invention of claim 6 wherein said plurality of said second deflector skins each have a leading edge and a trailing edge, wherein said leading edge of each of said plurality of said second deflector skins is secured to said corresponding one of said plurality of said first deflector skins and wherein said trailing edge is a free edge.
10. The invention of claim 9 wherein said, each of said plurality of said first deflector skins has a leading edge and a trailing edge, wherein said leading and trailing edges of each of said plurality of said first deflector skins are secured to said corresponding one of said cylinders.
11. The inventioh, of claim 6 wherein each of said plurality of said first deflector skins has a first thickness and wherein each of said plurality of said second deflector skins has a second thickness, wherein said second thickness of each of said plurality of said second deflector skins is greater than said thickness of said corresponding one df said plurality of said first deflector skins.
12. The invention of claim 6 wherein said plurality of said first deflector skins and said plurality of said second deflector skins are made at least in part of metal, and wherein said plurality of cylinders are made at least in part of a polymeric material.
13. A crash cushion system comprising: an array of resilient, self-restoring cylinders each having a substantially vertical longitødinal axis and an outer surface comprising a curved portion, wherein said array comprises a plurality of said cylinders, and wherein said array of cylinders has a front, a side and a rear, wherein said side is defined at leas in part by said curved portions of at least some of said plurality of said cylinders, wherein each of sai plurality of said cylinders defining said side comprises an outermost vertically oriented tangent; and a plurality of deflector skins each mounted on a corresponding one of at least some of said cylinders forming said side of said array, wherein each of said plurality of said deflector skins comprises a leading edge and a trailing edge, wherein said leading edge of each of said plurality of said deflector skins is secured to said corresponding one of said cylinders forwardly of said tangent on said corresponding one of said cylinders, and wherein said tangents of said corresponding ones of said cylinders in combination define a substantially vertical plane and wherein each of said plurality of said deflector skins is substantially flat and is oriented in a non-parallel relationship with said vertical plane.
14. The invention of claim 13 wherein said plurality of said deflector skins comprises a plurality of second deflector skins, and further comprising a plurality of first deflector skins disposed between said corresponding ones of said cylinders and said plurality of said second deflector skins secured thereto.
15. The invention of claim 14 wherein each of said plurality of said first deflector skins has a curved contour shaped to mate with said curved portion of said outer surface of said corresponding one of said cylinders.
16. The invention of claim 14 wherein each of said plurality of said first deflector skins has a first thickness and wherein each of said plurality of said second deflector skins has a second thickness, wherein said second thickness of each of said second deflector skins is greater than said first thickness of a corresponding one of said first deflector skins.
17. The invention of claim 14 wherein each of said plurality of said first and second deflector skins iβ made at least in part of metal, and wherein each of said plurality of said cylinders is made at least in part of a polymeric material
18. The invention of claim 14 wherein said outer surface of said corresponding ones of said cylinders each define a perimeter of said corresponding ones of said cylinders, wherein said first deflector skins each extend around only a portion of said perimeter of said corresponding one of said cylinders.
31
19. The invention of claim 14 wherein each of said plurality of said cylinders is made at least in part of an elastomeric material
20. A crash cushion system comprising'. an array of resilient, self-restoring cylinders each, having a substantially vertical longitudinal axis and an outer surface comprising a curved portion, wherein said array comprises a plurality of said cylinders, and wherein said array of cylinders has a front, a side and a rear, wherein said side is defined at least in part by said curved portions of at least some of said plurality of said cylinders, wherein each of said plurality of said cylinders defining said side comprises an outermost vertically oriented tangent; and a plurality of deflector skins each mounted on a corresponding one of at least some of said cylinders forming said side of said array, wherein each of said plurality of said deflector sldns comprises a leading edge and a trailing edge, wherein said leading edge of each of said plurality of said deflector skins is secured to said corresponding one of said cylinders forwardly of said tangent on said corresponding one of said cylinders, and wherein said trailing edge of each of said plurality of said deflector skins is a free edge, and wherein said free edge of a first one of said plurality of deflector skins extends rearwardly beyond said leading edge of a next adjacent second one of said plurality of said deflector skins positioned rearwardly of said first deflector skin.
21. A crash cushion system comprising: an array of resilient, self-restoring cylinders each having a substantially vertical longitudinal axis and an outer surface comprising a convex shaped curved portion, wherein said array comprises a plurality of said cylinders, and wherein said array of cylinders has a front, a side and a rear, wherein said side is defined at least in part by said curved portions of at least some of said plurality of said cylinders; and at least one deflector skin made at least in part of metal and comprising an inner surface and an outer surface, wherein said inner surface has a concave shaped curved contour shaped to mate with and facing said convex
32 shaped curved portion of said outer surface of at least one of said cylinders fonning said side of said array, wherein said at least one deflector skin is mounted to said at least one of said cylinders on said outer surface thereof over at least a portion of said curved portion that defines part of said side of said array.
33
PCT/US2003/005852 2002-02-27 2003-02-26 Crash cushion with deflector skin WO2003072395A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2003571117A JP2005518977A (en) 2002-02-27 2003-02-26 Collision cushion with deflecting surface
EP03723656A EP1478548A2 (en) 2002-02-27 2003-02-26 Crash cushion with deflector skin
AU2003230573A AU2003230573B2 (en) 2002-02-27 2003-02-26 Crash cushion with deflector skin
CA002476172A CA2476172C (en) 2002-02-27 2003-02-26 Crash cushion with deflector skin
KR10-2004-7013467A KR20040093077A (en) 2002-02-27 2003-02-26 Crash cushion with deflector skin
NO20044029A NO20044029L (en) 2002-02-27 2004-09-24 Airbag with lead surface

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/084,607 2002-02-27
US10/084,607 US6863467B2 (en) 2002-02-27 2002-02-27 Crash cushion with deflector skin

Publications (3)

Publication Number Publication Date
WO2003072395A2 WO2003072395A2 (en) 2003-09-04
WO2003072395A3 WO2003072395A3 (en) 2004-06-17
WO2003072395B1 true WO2003072395B1 (en) 2004-08-12

Family

ID=27753501

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/005852 WO2003072395A2 (en) 2002-02-27 2003-02-26 Crash cushion with deflector skin

Country Status (9)

Country Link
US (2) US6863467B2 (en)
EP (1) EP1478548A2 (en)
JP (1) JP2005518977A (en)
KR (1) KR20040093077A (en)
AU (1) AU2003230573B2 (en)
CA (1) CA2476172C (en)
NO (1) NO20044029L (en)
TW (1) TW593846B (en)
WO (1) WO2003072395A2 (en)

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Also Published As

Publication number Publication date
CA2476172C (en) 2008-05-20
US20040231938A1 (en) 2004-11-25
CA2476172A1 (en) 2003-09-04
US6863467B2 (en) 2005-03-08
AU2003230573B2 (en) 2008-07-24
TW200303389A (en) 2003-09-01
NO20044029L (en) 2004-09-27
WO2003072395A3 (en) 2004-06-17
WO2003072395A2 (en) 2003-09-04
TW593846B (en) 2004-06-21
AU2003230573A1 (en) 2003-09-09
JP2005518977A (en) 2005-06-30
KR20040093077A (en) 2004-11-04
EP1478548A2 (en) 2004-11-24
US20030161682A1 (en) 2003-08-28
US7037029B2 (en) 2006-05-02

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