US20210102351A1 - Barrier with cable system - Google Patents
Barrier with cable system Download PDFInfo
- Publication number
- US20210102351A1 US20210102351A1 US17/061,593 US202017061593A US2021102351A1 US 20210102351 A1 US20210102351 A1 US 20210102351A1 US 202017061593 A US202017061593 A US 202017061593A US 2021102351 A1 US2021102351 A1 US 2021102351A1
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- US
- United States
- Prior art keywords
- cable
- fastener
- protective barrier
- end piece
- anchoring member
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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Classifications
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- 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
- E01F15/00—Safety 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
- E01F15/14—Safety 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
- E01F15/143—Protecting devices located at the ends of barriers
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- 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
- E01F15/00—Safety 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
- E01F15/14—Safety 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
- E01F15/141—Safety 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 for column or post protection
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- 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
- E01F15/00—Safety 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
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/06—Continuous barriers extending along roads or between traffic lanes essentially made of cables, nettings or the like
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- 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
- E01F15/00—Safety 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
- E01F15/14—Safety 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1417—Post-and-rail fences, e.g. without vertical cross-members with vertical cross-members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/1413—Post-and-rail fences, e.g. without vertical cross-members
- E04H17/1447—Details of connections between rails and posts
- E04H17/1465—Details of connections between rails and posts the rails being supported within blind or through holes of the posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/23—Posts therefor lateral supporting elements, e.g. braces, tie downs, or cables
Definitions
- This invention relates to a barrier with a cable system.
- warehouses, distributions centers, factories, and similar facilities often have large stock handling equipment such as fork trucks which frequently move stock into, out of, and around the facility.
- the stock is stored on shelving (e.g., pallet racks) and stock handling equipment must navigate through the shelving to move stock to and from the shelving.
- Some facilities may have other obstacles (e.g., support columns, walls, pedestrian walkways) which the stock handling equipment must navigate around as it travels through the facility.
- a protective barrier in a general aspect, includes a first end piece configured to be anchored and secured to a surface, a second end piece configured to be anchored and secured to the surface, a rail extending between the first end piece and the second end piece, the rail having a first end mechanically coupled to the first end piece and a second end mechanically coupled to the second end piece, a cable extending through the rail and having a first end attached to the end piece and a second end attached to the second end piece.
- aspects may include one or more of the following features.
- the first end piece includes a first opening and the second end piece includes a second opening, the cable extending through the first opening and the second opening.
- the first end piece includes a first anchoring member and the second end piece includes a second anchoring member, the first anchoring member and the second anchoring member configured to be anchored and secured to the surface opening.
- the cable includes a first fastener at the first end and a second fastener at the second end, the first fastener being coupled to the first anchoring member and the second fastener being coupled to the second anchoring member.
- the first end of the cable may include a first hook for fastening the first end of the cable to the first fastener and the second end of the cable may include a second hook for fastening the second end of the cable to the second fastener.
- the first anchoring member may be a shock absorbing anchoring member and the second anchoring member may be a shock absorbing anchoring member.
- the first fastener may form a part of the first anchoring member and the second fastener may form a part of the second anchoring member.
- the cable may be a braided steel cable.
- the cable may be a nylon cable.
- the rail may be formed from a plastic material.
- the rail may have a cavity running along its length.
- the cable may extend through the cavity running along the length of the rail.
- the first end of the cable may be fastened to the first fastener by welding and the second end of the cable may be fastened to the second fastener by welding.
- the first anchoring member and the first fastener may be disposed inside of the first end piece and the second anchoring member and the second fastener may be disposed inside of the second end piece.
- the first end of the cable may include a first attachment member coupled to the first fastener and the second end of the cable may include a second attachment member coupled to the second fastener.
- the protective barrier may include a first pin coupling the first attachment member to the first fastener and a second pin coupling the second attachment member to the second fastener.
- the first fastener may include a first eye hook
- the second fastener may include a second eye hook
- the first attachment member may include a first loop of cable
- the second attachment member may include a second loop of cable.
- the first pin may extend through the first eye hook and the first loop of cable and the second pin may extend through the second eye hook and the second loop of cable.
- aspects prevent and/or mitigate catastrophic failure of barriers and therefore prevent damage to stock and/or injury to pedestrians or other workers nearby the barrier. Upon failure of the barrier, parts of the barrier are prevented from being propelled in an uncontrolled manner from the barrier's location.
- aspects are capable of sustaining a greater force of impact than some conventional barriers due to the use of a cable system to bolster the strength of the barrier. Aspects are able to absorb impact and return to their original state.
- aspects are capable of minimizing catastrophic damage in the event that the force of an impact is greater than that which would otherwise be withstood by conventional barriers due to the use of a cable system to bolster the strength of the barrier.
- Some aspects advantageously include a pin-based cable system that couples the rails of the protective barriers and the posts of the protective barriers to ensure that any load due to unintentional collisions is distributed throughout the entire protective barrier.
- FIG. 1 is a protective barrier.
- FIG. 2 is an exploded view of the protective barrier of FIG. 1 showing a cable system.
- FIG. 3 is a cut-away view of the protective barrier of FIG. 1 with a plastic bumper rail removed to expose a cable of the cable system.
- FIG. 4 is a cut-away detail view of one of the rounded metallic end caps of the protective barrier of FIG. 1 .
- FIG. 5 is a cross-sectional view of one end of the protective barrier of FIG. 1 .
- FIG. 6 is an exploded view of a protective barrier utilizing another cable system.
- FIG. 7 is a cut-away view of the protective barrier of FIG. 6 .
- FIG. 8 is a shackle fastener.
- FIG. 9 is an exploded view of a second protective barrier.
- FIG. 10 is a cut-away view of an intermediate post of the protective barrier of FIG. 9 .
- FIG. 11 is a cut-away view of an end post of the protective barrier of FIG. 9 .
- a protective barrier 100 typically configured to protect an end of a shelf (e.g., a pallet rack used in warehouse, not shown) from unintended collisions.
- the protective barrier 100 includes a plastic bumper rail 102 and two rounded metallic end caps 104 .
- the plastic bumper rail 102 is held fixed between the two rounded metallic end caps 104 via the openings 122 in each of the metallic end caps 104 .
- the plastic bumper rail 102 includes two ends 103 , each of which is inserted into the openings 122 of the metallic end caps 104 .
- the protective barrier 100 is anchored into the ground by fastening the two rounded metallic end caps 104 to the ground using an anchoring mechanism (as is described in greater detail below).
- the protective barrier 100 further includes a cable system 250 extending therethrough.
- the cable system 250 includes a cable 252 held between a first bracket 254 a and a second bracket 254 b , where each bracket is affixed inside each of the two rounded metallic end caps 104 .
- the cable 252 is shown to be contained within the plastic bumper rail 102 .
- the plastic bumper rail 102 is a hollow part formed by extruding high density polyethylene (HDPE).
- the plastic bumper rail 102 includes ribs 114 which increase the amount of plastic material present in the wall of the plastic bumper rail 102 , thereby increasing the rigidity and collision absorption capability of the plastic bumper rail 102 .
- each rounded metallic end cap 104 is a substantially cuboid-shaped metallic member with a rounded outer wall 124 opposite the opening 122 , and a rounded top wall 123 .
- the outer wall 124 includes a rounded protrusion 116 which is intended to receive and deflect the force of any object colliding with the metallic end cap 104 .
- Each of the rounded metallic end caps 104 includes an anchoring mechanism access opening 113 which has a cover 112 placed thereon. The cover 112 covers the anchoring mechanism access opening 113 to hide the anchoring mechanism from view and prevent debris from entering the anchoring mechanism.
- each of the brackets 254 a , 254 b is a metallic member with a substantially ‘s-shaped’ profile.
- Each bracket has a body 258 with a first flange 260 extending from the body in a first direction perpendicular to the body and a second flange 262 extending from the body 258 in a second direction, opposite the first direction, perpendicular to the body 258 .
- the first flange 260 includes two anchoring openings 261 configured to receive members of the anchoring mechanism.
- the cable 252 is a braided steel cable (sometimes referred to as ‘wire rope’) with fasteners 256 (e.g., hooks) attached to its ends.
- the second flange 262 includes a hook-receiving opening 263 configured to receive the hooks 256 that are attached to the ends of the cable 252 .
- suitable fastening methodologies e.g., welding, nuts and bolts, etc. can be used to fasten the cable to the brackets instead of the hook-based system described herein.
- the first bracket 254 a and second bracket 254 b are installed in their respective rounded metallic end caps 104 (as is described in greater detail below). Opposite ends of the cable 252 are fastened to the brackets 254 a , 254 b . In some embodiments, the opposite ends of the cable 252 are fastened via hooks 256 attached to the ends of the cable 252 . The hooks 256 interact with hook-receiving openings 263 in the brackets 254 a , 254 b to attach the cable 252 to the brackets 254 a , 254 b .
- the cable 252 extends from the first bracket 254 a through a cavity 258 extending along a length of the plastic bumper rail 102 .
- FIG. 3 a view of the protective barrier 100 without a plastic bumper rail is shown, with a partial cut-away view of the two rounded metallic end caps 104 provided.
- Each of the two rounded metallic end caps 104 are shown to be connected to a respective anchoring fastener 366 , where each anchoring fastener is shown to extend substantially vertically below its respective rounded metallic end cap 104 .
- FIG. 4 a cut-away view of an exemplary rounded metallic end cap 104 is shown, giving a detailed view of the shock absorbing mechanism 362 disposed in the rounded metallic end cap 104 .
- the shock absorbing mechanism 362 is shown to be fastened to a bottom wall 476 of the rounded metallic end cap 104 via two openings 474 .
- the two openings 474 are configured to each receive a shock absorbing assembly 364 .
- each shock absorbing assembly 364 includes an anchoring fastener 366 (e.g., a bolt or a piece of rebar), a washer 368 , a shock absorber 370 .
- both the washer 368 and the shock absorber 370 include a central through hole for receiving a portion of the anchoring fastener 366 .
- each anchoring fastener 366 is a threaded rod and each shock absorbing assembly 364 includes a threaded nut 372 that screws on to the anchoring fastener 366 .
- the shock absorbers 370 are made of an elastic material such as neoprene or ethylene propylene diene monomer (EPDM).
- the two anchoring openings 261 in the first flange 260 of the bracket 254 are aligned with two openings 474 in a bottom wall 476 of the rounded metallic end cap 104 .
- the shock absorbers 370 are disposed on the first flange 260 of the bracket 254 with their central through holes aligned with the anchoring openings 261 in the first flange 260 .
- the washers 368 are disposed on the shock absorbers 370 with their central through holes aligned with the central through holes of the shock absorbers 370 (and with the anchoring openings 261 in the first flange 260 ).
- FIG. 5 a cut-away view of a rounded metallic end cap 104 with a shock absorbing mechanism 362 disposed inside is shown.
- the shock absorbing mechanism 362 is shown to secure the metallic end cap 104 to a surface 564 via the anchoring fastener 366 of its shock absorbing assembly 364 .
- the anchoring fastener 366 extends through the central through hole of the washer 368 , through the central through hole of the shock absorber 370 , through the anchoring openings 261 (seen in FIG. 1 ) in the first flange 260 of the bracket 254 , through the openings 474 in the bottom wall 476 of the rounded metallic end cap 104 , and into a surface 564 , where it is fixed.
- the threaded nut 372 is screwed onto a free end of the anchoring fastener 366 and holds the washer 368 , the shock absorber 370 , and the first flange 260 of the bracket 254 against the bottom wall 476 of the rounded metallic end cap 104 .
- the openings 474 in the bottom wall 476 of the rounded metallic end cap 104 and/or the anchoring openings 261 in the first flange 260 of the bracket 254 have an inner diameter that is larger than an outer diameter of the anchoring fastener 366 . This difference in diameters allows the bracket 254 and/or the rounded metallic end cap 104 to pivot about the shock absorbing mechanism 362 when sufficient force is applied to the cable system 250 and/or the plastic bumper rail 102 .
- each of the brackets 254 rests against an internal rib 580 extending between two sidewalls of the rounded metallic end cap 104 , providing additional support for the cable system 250 .
- a protective barrier 600 with a configuration similar to the protective barrier described in U.S. patent application Ser. No. 15/940,281 (which is hereby incorporated herein by reference) is configured to protect a warehouse asset (e.g., a pallet rack, a pedestrian walkway, or a support column) from unintended collisions.
- a warehouse asset e.g., a pallet rack, a pedestrian walkway, or a support column
- the protective barrier 600 includes a cable system to reinforce the barrier in the event of an unintended collision.
- the protective barrier 600 includes a first rounded end post 604 a and second rounded end post 604 b , each of which is anchored into the ground using a corresponding anchoring assembly 643 .
- the first rounded end post 604 a and the second rounded end post 604 b are mirror images of each other.
- the rounded end posts 604 a - b are interconnected by plastic bumper rails 602 , 603 .
- an upper portion 608 a of the first rounded end post 604 a is connected to an upper portion 608 b of the second rounded end post 604 b by an upper plastic bumper rail 602 .
- the upper plastic bumper rail 602 has a first end 612 a inserted into an upper opening 614 a of the first rounded end post 604 a and a second end 612 b inserted into an upper opening 614 b of the second rounded end post 604 b.
- a lower portion 610 a of the first rounded end post 604 a is connected to a lower portion 610 b of the second rounded end post 604 b by a lower plastic bumper rail 603 .
- the lower plastic bumper rail 603 has a first end 616 a inserted into a lower opening 618 a of the first rounded end post 604 a and second end 616 b inserted into a lower opening 618 b of the second rounded end post 604 b.
- a cable system 695 is disposed inside a hollow interior of the lower plastic bumper rail 603 and extends between the first and second rounded end posts 604 a - b .
- the cable system 695 includes a first eye hook 681 a , a second eye hook 681 b , and a cable 696 .
- the first eye hook 681 a is installed in a through hole 683 a in a sidewall of the inner core 650 a of the first rounded end post 604 a and the second eye hook 681 b is installed in a through hole 683 b in a sidewall of the inner core 650 b of the second rounded end post 604 b .
- the eye hooks 681 a - b are secured by a nut on an inside of the inner cores 650 a - b
- the through holes 683 a - b in the sidewalls of the inner cores 650 a - b are threaded and threaded eye hooks are screwed into the through holes.
- the cable 696 includes a first loop 697 a at a first end 699 a of the cable and a second loop 697 b at a second end 699 b of the cable.
- the “eyes” of the eye hooks 681 a - b and the loops 697 a - b of the cable 696 are both dimensioned to accommodate lower pins 644 a - b (respectively), as is described in greater detail below.
- the cable system 695 When assembled (as described below), the cable system 695 securely couples the inner cores 650 a - b of the rounded end posts 604 a - b to each other and to the lower plastic bumper rail 603 via the lower pins 644 a - b.
- the first rounded end post 604 a is an assembly including a cap 638 a , a first upper pin 636 a , an outer shell 642 a , a first lower pin 644 a , and an anchoring assembly 643 a .
- the anchoring assembly includes an inner core 650 a and a first lower pin-receiving socket 682 a .
- the second rounded end post 604 b is an assembly including a cap 638 b , a second upper pin 636 b , an outer shell 642 b , a second lower pin 644 b , and an anchoring assembly 643 b .
- the anchoring assembly includes an inner core 650 b and a second lower pin-receiving socket 682 b.
- the anchoring assemblies 643 a - b include several other features that are described in U.S. patent application Ser. No. 15/940,281 (and will not be repeated herein for the sake of brevity), and are configured to securely attach the rounded end posts 604 a - b and the ends 616 a - b of the lower plastic bumper rail 603 to a mounting surface 624 .
- the first end 616 a of the lower plastic bumper rail 603 includes a through hole 694 a .
- the through hole 694 a of the first end 616 a of the lower plastic bumper rail 603 is aligned with the first lower pin-receiving socket 682 a and the first lower pin 644 a is positioned through the through hole 694 a with a distal end of the first lower pin 644 a received in the first lower pin-receiving socket 682 a.
- the second end 616 b of the lower plastic bumper rail 603 includes a through hole 694 b .
- the through hole 694 b of the second end 616 b of the lower plastic bumper rail 603 is aligned with the second lower pin-receiving socket 682 b and the second lower pin 644 b is positioned through the through hole 694 b with a distal end of the second lower pin 644 b received in the second lower pin-receiving socket 682 b.
- the first lower pin 644 a When installed as described above, the first lower pin 644 a also extends through the first eye hook 681 a and through the first loop 697 a of the cable 696 , thereby coupling the first end 699 a of the cable 696 to the first eye hook 681 a via the first lower pin 644 a .
- the second lower pin 644 b extends through the second eye hook 681 b and through the second loop 697 b of the cable 696 , thereby coupling the second end 699 b of the cable 696 to the second eye hook 681 b via the second lower pin 644 b .
- the cable 696 extends from the first lower pin 644 a to the second lower pin 644 b and through the hollow interior of the lower plastic bumper rail 603 . In general, the cable 696 is held substantially taut between the first lower pin 644 a to the second lower pin 644 b.
- a protective barrier 700 with a configuration and purpose similar to the protective barrier described in conjunction with FIGS. 6 and 7 is shown.
- the protective barrier 700 includes a cable system to reinforce the barrier in the event of an unintended collision.
- the protective barrier 700 includes a corner post 704 a , an end post 704 b , and an intermediate post 704 c , each of which is round in shape and each anchored into the ground using a corresponding anchoring assembly 743 a , 743 b , 743 c .
- Corner post 704 a is interconnected to intermediate post 704 c by a pair of plastic bumper rails 702 a , 703 a .
- end post 704 b is interconnected to intermediate post 704 c by a pair of plastic bumper rails 702 b , 703 b .
- Corner post 704 a is connected to another portion of the protective barrier having an end post and bumper rails that are positioned at a substantially right angle to the portion of the barriers shown in FIG. 9 .
- an upper portion 708 a of the corner post 704 a is connected to an upper portion 708 c of the intermediate post 704 c by the upper plastic bumper rail 702 a .
- the upper plastic bumper rail 702 a has a first end 712 a inserted into an upper opening 714 a of the corner post 704 a and a second end 712 b inserted into an upper opening 714 b of the intermediate post 704 c.
- a lower portion 710 a of the corner post 704 a is connected to a lower portion 710 b of the intermediate post 704 c by the lower plastic bumper rail 703 a .
- the lower plastic bumper rail 703 a has a first end 716 a extends to a lower portion 718 a of the corner post 704 a and second end 716 b extending to a lower portion 718 b of the intermediate post 704 c.
- a cable system 795 a is disposed inside a hollow interior of the lower plastic bumper rail 703 a and extends between the corner post 704 a and intermediate post 704 c .
- a similar cable system 795 b extends between intermediate post 704 c and end post 704 b .
- Cable systems 795 a , 795 b both include a nylon strap 796 having looped ends 797 that are mechanically secured to corner post 704 a and intermediate post 704 c as well as between intermediate post 704 c and end post 704 b .
- Nylon straps 796 are secured so as to be taut.
- Lower portion 718 a of intermediate post 704 c includes a U-shaped holder 730 that receives the cylindrically shaped intermediate post 704 c and includes a flange 732 that is attached, to intermediate post 704 c .
- Flange 732 includes a pair of diametrically opposed holes 736 a , 736 b and on either side of post 704 c .
- Pins 734 a are a .
- flange 732 of U-shaped holder 730 is also attached to shackles 742 using a bolt 744 and nut 746 .
- the cable system 795 a , 795 b When assembled (as described below), the cable system 795 a , 795 b securely couples the inner cores 750 of the posts 704 a , 704 b , 704 c to each other and to the lower plastic bumper rails 703 a , 703 b via U-shaped holder 730 and pins 734 .
- Each of corner post 704 a , intermediate post 704 c , and end post 704 b are assemblies including a cap 770 , an outer shell 760 , and an anchoring assembly 773 .
- the anchoring assembly includes the inner core 750 and a corresponding anchoring plate 743 a , 743 b , 743 c.
- the anchoring assemblies 743 a , 743 b , 743 c are similar to those described in conjunction with protective barrier 600 shown in FIG. 6 and are configured to securely attach posts 704 a - c and the ends 718 a - c of the lower plastic bumper rail 703 a , 703 b to a mounting surface 780 .
- U-shaped holder 730 of protective barrier 700 is secured and disposed between inner core 750 and anchoring assembly 743 c.
- FIG. 11 the details of the interface of the cable system 795 b and corner post 704 b is shown.
- the inner components and the manner in which the lower and upper plastic rails are attached using cable system b are much the same as is described in conjunction with intermediate post 704 c as shown in FIG. 10 .
- One difference is that rather than having a U-shaped holder 730 with a flange 732 , cable system 795 b attaches to inner post 750 of corner post 704 bb using an L-shaped holder 782 .
- Lshaped holder 782 of protective barrier 700 is secured and disposed between inner core 750 and anchoring assembly 743 b
- protective barriers 600 , 700 provide two levels of impact absorption.
- a first level of impact absorption is provided for less forceful impacts on the lower rail (e.g., a fork truck bumping into the rail), where the lower rail flexes to absorb the impact without the cable system being engaged and then returns to its original state after the impact.
- a second level of impact absorption is provided for impacts of greater force on the lower rail (e.g., a fork truck driving at full speed into the lower rail), where the lower rail flexes to absorb the impact and then makes contact with the cable system.
- the cable systems for each protective barrier provide additional strength to receive the impact without allowing a breach of the barrier.
- the bracket is an integral part of the rounded metallic end cap (e.g., the bracket and end cap are sand cast as a single integral part).
- the cable system limits a maximum deflection of the plastic bumper rail.
- the rounded metallic end caps may be configured to retain the ends of the plastic bumper rail in their openings when the maximum deflection is reached (i.e., the plastic bumper rail does not ‘pop out’ of the rounded metallic end caps).
- the cable system described above includes a braided steel cable. It is noted, however that other types of cables such as nylon cables, elastomer cables, solid steel (or other metal) cables, plastic cables, or any other suitable cable material can be used.
- the plastic bumper rail described above includes ribs. It is noted, however that other embodiments of the plastic bumper rail do not include ribs.
- the pins describe herein are metallic pins. In other examples, the pins are plastic pins.
- the opposite ends of the cable are fastened to the brackets using “shackles” such as the shackle 856 shown in FIG. 8 .
- the shackles 856 are attached to the ends of the cable and interact with receiving openings in the brackets to attach the cable to the brackets.
- the cable system is described above in the context of one exemplary barrier. But the same cable system can be used to improve any number of barriers, including but not limited to the barriers and other protective apparatuses described in U.S. Pat. Nos. 9,103,163, 10,060,154, 9,644,393, 9,732,485, and U.S. patent application Ser. No. 15/940,281, the contents of which are incorporated herein in their entirety.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
Description
- This application claims priority to U.S. Provisional Application No. 62/910,189, filed Oct. 3, 2019, the contents of which are hereby incorporated by reference in their entirety.
- This invention relates to a barrier with a cable system.
- Warehouses, distributions centers, factories, and similar facilities often have large stock handling equipment such as fork trucks which frequently move stock into, out of, and around the facility. In some examples, the stock is stored on shelving (e.g., pallet racks) and stock handling equipment must navigate through the shelving to move stock to and from the shelving. Some facilities may have other obstacles (e.g., support columns, walls, pedestrian walkways) which the stock handling equipment must navigate around as it travels through the facility.
- As an operator navigates stock handling equipment through a facility, it is possible for the operator to inadvertently cause the stock handling equipment to collide with obstacles such as shelving, support columns, or walls or to encroach on pedestrian walkways. When stock handling equipment collides with an obstacle, both the obstacle and the stock handling equipment can become damaged. In the case of shelving, a strong enough collision can cause the shelving to collapse. In the case of an encroachment on a pedestrian walkway, a pedestrian can be seriously injured.
- Because of the dangers associated with stock handling equipment, barriers are often installed to protect obstacles and walkways in facilities from interactions with stock handling equipment.
- Conventional barriers are often associated with a maximum load rating. If that maximum load rating is exceeded, conventional barriers fail. In the case of a catastrophic failure, parts of conventional barriers may break or separate in such a way that they are dangerously propelled into stock or pedestrians. Aspects described herein are directed to a cable system that prevents and mitigates catastrophic failure of barriers.
- In a general aspect, a protective barrier includes a first end piece configured to be anchored and secured to a surface, a second end piece configured to be anchored and secured to the surface, a rail extending between the first end piece and the second end piece, the rail having a first end mechanically coupled to the first end piece and a second end mechanically coupled to the second end piece, a cable extending through the rail and having a first end attached to the end piece and a second end attached to the second end piece.
- Aspects may include one or more of the following features.
- The first end piece includes a first opening and the second end piece includes a second opening, the cable extending through the first opening and the second opening. The first end piece includes a first anchoring member and the second end piece includes a second anchoring member, the first anchoring member and the second anchoring member configured to be anchored and secured to the surface opening.
- The cable includes a first fastener at the first end and a second fastener at the second end, the first fastener being coupled to the first anchoring member and the second fastener being coupled to the second anchoring member.
- The first end of the cable may include a first hook for fastening the first end of the cable to the first fastener and the second end of the cable may include a second hook for fastening the second end of the cable to the second fastener. The first anchoring member may be a shock absorbing anchoring member and the second anchoring member may be a shock absorbing anchoring member. The first fastener may form a part of the first anchoring member and the second fastener may form a part of the second anchoring member. The cable may be a braided steel cable. The cable may be a nylon cable.
- The rail may be formed from a plastic material. The rail may have a cavity running along its length. The cable may extend through the cavity running along the length of the rail. The first end of the cable may be fastened to the first fastener by welding and the second end of the cable may be fastened to the second fastener by welding.
- The first anchoring member and the first fastener may be disposed inside of the first end piece and the second anchoring member and the second fastener may be disposed inside of the second end piece.
- The first end of the cable may include a first attachment member coupled to the first fastener and the second end of the cable may include a second attachment member coupled to the second fastener. The protective barrier may include a first pin coupling the first attachment member to the first fastener and a second pin coupling the second attachment member to the second fastener. The first fastener may include a first eye hook, the second fastener may include a second eye hook, the first attachment member may include a first loop of cable, and the second attachment member may include a second loop of cable. The first pin may extend through the first eye hook and the first loop of cable and the second pin may extend through the second eye hook and the second loop of cable.
- Aspects may have one or more of the following advantages.
- Aspects prevent and/or mitigate catastrophic failure of barriers and therefore prevent damage to stock and/or injury to pedestrians or other workers nearby the barrier. Upon failure of the barrier, parts of the barrier are prevented from being propelled in an uncontrolled manner from the barrier's location.
- Aspects limit a maximum deflection of the plastic bumper rail, making the barrier design well suited to meet or exceed a number of industry standards.
- Aspects are capable of sustaining a greater force of impact than some conventional barriers due to the use of a cable system to bolster the strength of the barrier. Aspects are able to absorb impact and return to their original state.
- Aspects are capable of minimizing catastrophic damage in the event that the force of an impact is greater than that which would otherwise be withstood by conventional barriers due to the use of a cable system to bolster the strength of the barrier.
- Some aspects advantageously include a pin-based cable system that couples the rails of the protective barriers and the posts of the protective barriers to ensure that any load due to unintentional collisions is distributed throughout the entire protective barrier.
- Other features and advantages of the invention are apparent from the following description, and from the claims.
-
FIG. 1 is a protective barrier. -
FIG. 2 is an exploded view of the protective barrier ofFIG. 1 showing a cable system. -
FIG. 3 is a cut-away view of the protective barrier ofFIG. 1 with a plastic bumper rail removed to expose a cable of the cable system. -
FIG. 4 is a cut-away detail view of one of the rounded metallic end caps of the protective barrier ofFIG. 1 . -
FIG. 5 is a cross-sectional view of one end of the protective barrier ofFIG. 1 . -
FIG. 6 is an exploded view of a protective barrier utilizing another cable system. -
FIG. 7 is a cut-away view of the protective barrier ofFIG. 6 . -
FIG. 8 is a shackle fastener. -
FIG. 9 is an exploded view of a second protective barrier. -
FIG. 10 is a cut-away view of an intermediate post of the protective barrier ofFIG. 9 . -
FIG. 11 is a cut-away view of an end post of the protective barrier ofFIG. 9 . - Referring to
FIG. 1 andFIG. 2 , aprotective barrier 100, typically configured to protect an end of a shelf (e.g., a pallet rack used in warehouse, not shown) from unintended collisions, is shown. Theprotective barrier 100 includes aplastic bumper rail 102 and two roundedmetallic end caps 104. Theplastic bumper rail 102 is held fixed between the two roundedmetallic end caps 104 via theopenings 122 in each of themetallic end caps 104. Theplastic bumper rail 102 includes twoends 103, each of which is inserted into theopenings 122 of themetallic end caps 104. Theprotective barrier 100 is anchored into the ground by fastening the two roundedmetallic end caps 104 to the ground using an anchoring mechanism (as is described in greater detail below). - As seen in detail in
FIG. 2 , theprotective barrier 100 further includes acable system 250 extending therethrough. Thecable system 250 includes acable 252 held between afirst bracket 254 a and asecond bracket 254 b, where each bracket is affixed inside each of the two roundedmetallic end caps 104. Thecable 252 is shown to be contained within theplastic bumper rail 102. - In some examples, the
plastic bumper rail 102 is a hollow part formed by extruding high density polyethylene (HDPE). Theplastic bumper rail 102 includesribs 114 which increase the amount of plastic material present in the wall of theplastic bumper rail 102, thereby increasing the rigidity and collision absorption capability of theplastic bumper rail 102. - Regarding the rounded
metallic end caps 104, each roundedmetallic end cap 104 is a substantially cuboid-shaped metallic member with a roundedouter wall 124 opposite theopening 122, and a roundedtop wall 123. Theouter wall 124 includes arounded protrusion 116 which is intended to receive and deflect the force of any object colliding with themetallic end cap 104. Each of the roundedmetallic end caps 104 includes an anchoring mechanism access opening 113 which has acover 112 placed thereon. Thecover 112 covers the anchoring mechanism access opening 113 to hide the anchoring mechanism from view and prevent debris from entering the anchoring mechanism. - In some examples, each of the
brackets body 258 with afirst flange 260 extending from the body in a first direction perpendicular to the body and asecond flange 262 extending from thebody 258 in a second direction, opposite the first direction, perpendicular to thebody 258. - The
first flange 260 includes two anchoringopenings 261 configured to receive members of the anchoring mechanism. In some examples, thecable 252 is a braided steel cable (sometimes referred to as ‘wire rope’) with fasteners 256 (e.g., hooks) attached to its ends. In those examples, thesecond flange 262 includes a hook-receivingopening 263 configured to receive thehooks 256 that are attached to the ends of thecable 252. It is noted that other suitable fastening methodologies (e.g., welding, nuts and bolts, etc.) can be used to fasten the cable to the brackets instead of the hook-based system described herein. - The
first bracket 254 a andsecond bracket 254 b are installed in their respective rounded metallic end caps 104 (as is described in greater detail below). Opposite ends of thecable 252 are fastened to thebrackets cable 252 are fastened viahooks 256 attached to the ends of thecable 252. Thehooks 256 interact with hook-receivingopenings 263 in thebrackets cable 252 to thebrackets cable 252 extends from thefirst bracket 254 a through acavity 258 extending along a length of theplastic bumper rail 102. - Referring now to
FIG. 3 , a view of theprotective barrier 100 without a plastic bumper rail is shown, with a partial cut-away view of the two roundedmetallic end caps 104 provided. Each of the two roundedmetallic end caps 104 are shown to be connected to arespective anchoring fastener 366, where each anchoring fastener is shown to extend substantially vertically below its respective roundedmetallic end cap 104. - Referring to
FIG. 4 , a cut-away view of an exemplary roundedmetallic end cap 104 is shown, giving a detailed view of theshock absorbing mechanism 362 disposed in the roundedmetallic end cap 104. Theshock absorbing mechanism 362 is shown to be fastened to abottom wall 476 of the roundedmetallic end cap 104 via twoopenings 474. The twoopenings 474 are configured to each receive ashock absorbing assembly 364. - Further referring to
FIG. 4 , eachshock absorbing assembly 364 includes an anchoring fastener 366 (e.g., a bolt or a piece of rebar), awasher 368, ashock absorber 370. In some examples, both thewasher 368 and theshock absorber 370 include a central through hole for receiving a portion of the anchoringfastener 366. In some examples, each anchoringfastener 366 is a threaded rod and eachshock absorbing assembly 364 includes a threadednut 372 that screws on to the anchoringfastener 366. In some examples, theshock absorbers 370 are made of an elastic material such as neoprene or ethylene propylene diene monomer (EPDM). - Referring generally now to
FIG. 3 andFIG. 4 , when ashock absorbing assembly 362 is assembled in the roundedmetallic end cap 104, the two anchoringopenings 261 in thefirst flange 260 of the bracket 254 are aligned with twoopenings 474 in abottom wall 476 of the roundedmetallic end cap 104. Theshock absorbers 370 are disposed on thefirst flange 260 of the bracket 254 with their central through holes aligned with the anchoringopenings 261 in thefirst flange 260. Thewashers 368 are disposed on theshock absorbers 370 with their central through holes aligned with the central through holes of the shock absorbers 370 (and with the anchoringopenings 261 in the first flange 260). - Referring to
FIG. 5 , a cut-away view of a roundedmetallic end cap 104 with ashock absorbing mechanism 362 disposed inside is shown. Theshock absorbing mechanism 362 is shown to secure themetallic end cap 104 to asurface 564 via the anchoringfastener 366 of itsshock absorbing assembly 364. Specifically, the anchoringfastener 366 extends through the central through hole of thewasher 368, through the central through hole of theshock absorber 370, through the anchoring openings 261 (seen inFIG. 1 ) in thefirst flange 260 of the bracket 254, through theopenings 474 in thebottom wall 476 of the roundedmetallic end cap 104, and into asurface 564, where it is fixed. The threadednut 372 is screwed onto a free end of the anchoringfastener 366 and holds thewasher 368, theshock absorber 370, and thefirst flange 260 of the bracket 254 against thebottom wall 476 of the roundedmetallic end cap 104. - In some examples, the
openings 474 in thebottom wall 476 of the roundedmetallic end cap 104 and/or the anchoringopenings 261 in thefirst flange 260 of the bracket 254 have an inner diameter that is larger than an outer diameter of the anchoringfastener 366. This difference in diameters allows the bracket 254 and/or the roundedmetallic end cap 104 to pivot about theshock absorbing mechanism 362 when sufficient force is applied to thecable system 250 and/or theplastic bumper rail 102. - In some examples, the
body 258 of each of the brackets 254 rests against aninternal rib 580 extending between two sidewalls of the roundedmetallic end cap 104, providing additional support for thecable system 250. - Referring to
FIGS. 6 and 7 , in another embodiment, aprotective barrier 600 with a configuration similar to the protective barrier described in U.S. patent application Ser. No. 15/940,281 (which is hereby incorporated herein by reference) is configured to protect a warehouse asset (e.g., a pallet rack, a pedestrian walkway, or a support column) from unintended collisions. Very generally, theprotective barrier 600 includes a cable system to reinforce the barrier in the event of an unintended collision. - The
protective barrier 600 includes a firstrounded end post 604 a and secondrounded end post 604 b, each of which is anchored into the ground using a corresponding anchoring assembly 643. The firstrounded end post 604 a and the secondrounded end post 604 b are mirror images of each other. The rounded end posts 604 a-b are interconnected by plastic bumper rails 602, 603. - When the
protective barrier 600 is assembled, anupper portion 608 a of the firstrounded end post 604 a is connected to anupper portion 608 b of the secondrounded end post 604 b by an upperplastic bumper rail 602. The upperplastic bumper rail 602 has afirst end 612 a inserted into anupper opening 614 a of the firstrounded end post 604 a and asecond end 612 b inserted into anupper opening 614 b of the secondrounded end post 604 b. - A
lower portion 610 a of the firstrounded end post 604 a is connected to alower portion 610 b of the secondrounded end post 604 b by a lowerplastic bumper rail 603. The lowerplastic bumper rail 603 has afirst end 616 a inserted into alower opening 618 a of the firstrounded end post 604 a andsecond end 616 b inserted into alower opening 618 b of the secondrounded end post 604 b. - A
cable system 695 is disposed inside a hollow interior of the lowerplastic bumper rail 603 and extends between the first and second rounded end posts 604 a-b. Thecable system 695 includes afirst eye hook 681 a, asecond eye hook 681 b, and acable 696. - The
first eye hook 681 a is installed in a throughhole 683 a in a sidewall of theinner core 650 a of the firstrounded end post 604 a and thesecond eye hook 681 b is installed in a throughhole 683 b in a sidewall of theinner core 650 b of the secondrounded end post 604 b. In some examples, the eye hooks 681 a-b are secured by a nut on an inside of the inner cores 650 a-b, while in other examples, the through holes 683 a-b in the sidewalls of the inner cores 650 a-b are threaded and threaded eye hooks are screwed into the through holes. - The
cable 696 includes afirst loop 697 a at afirst end 699 a of the cable and asecond loop 697 b at asecond end 699 b of the cable. The “eyes” of the eye hooks 681 a-b and the loops 697 a-b of thecable 696 are both dimensioned to accommodate lower pins 644 a-b (respectively), as is described in greater detail below. - When assembled (as described below), the
cable system 695 securely couples the inner cores 650 a-b of the rounded end posts 604 a-b to each other and to the lowerplastic bumper rail 603 via the lower pins 644 a-b. - The first
rounded end post 604 a is an assembly including acap 638 a, a firstupper pin 636 a, anouter shell 642 a, a firstlower pin 644 a, and an anchoringassembly 643 a. The anchoring assembly includes aninner core 650 a and a first lower pin-receivingsocket 682 a. Similarly, the secondrounded end post 604 b is an assembly including acap 638 b, a secondupper pin 636 b, anouter shell 642 b, a secondlower pin 644 b, and an anchoringassembly 643 b. The anchoring assembly includes aninner core 650 b and a second lower pin-receivingsocket 682 b. - The anchoring assemblies 643 a-b include several other features that are described in U.S. patent application Ser. No. 15/940,281 (and will not be repeated herein for the sake of brevity), and are configured to securely attach the rounded end posts 604 a-b and the ends 616 a-b of the lower
plastic bumper rail 603 to a mountingsurface 624. - The
first end 616 a of the lowerplastic bumper rail 603 includes a through hole 694 a. When theprotective barrier 600 is assembled, the through hole 694 a of thefirst end 616 a of the lowerplastic bumper rail 603 is aligned with the first lower pin-receivingsocket 682 a and the firstlower pin 644 a is positioned through the through hole 694 a with a distal end of the firstlower pin 644 a received in the first lower pin-receivingsocket 682 a. - Similarly, the
second end 616 b of the lowerplastic bumper rail 603 includes a throughhole 694 b. The throughhole 694 b of thesecond end 616 b of the lowerplastic bumper rail 603 is aligned with the second lower pin-receivingsocket 682 b and the secondlower pin 644 b is positioned through the throughhole 694 b with a distal end of the secondlower pin 644 b received in the second lower pin-receivingsocket 682 b. - When installed as described above, the first
lower pin 644 a also extends through thefirst eye hook 681 a and through thefirst loop 697 a of thecable 696, thereby coupling thefirst end 699 a of thecable 696 to thefirst eye hook 681 a via the firstlower pin 644 a. Similarly, the secondlower pin 644 b extends through thesecond eye hook 681 b and through thesecond loop 697 b of thecable 696, thereby coupling thesecond end 699 b of thecable 696 to thesecond eye hook 681 b via the secondlower pin 644 b. Thecable 696 extends from the firstlower pin 644 a to the secondlower pin 644 b and through the hollow interior of the lowerplastic bumper rail 603. In general, thecable 696 is held substantially taut between the firstlower pin 644 a to the secondlower pin 644 b. - The remaining assembly of the
protective barrier 600 proceeds as described in U.S. patent application Ser. No. 15/940,281 and is not repeated herein for the sake of brevity. - Referring to
FIGS. 9-11 , in another embodiment, aprotective barrier 700 with a configuration and purpose similar to the protective barrier described in conjunction withFIGS. 6 and 7 is shown. Very generally, theprotective barrier 700 includes a cable system to reinforce the barrier in the event of an unintended collision. - The
protective barrier 700 includes acorner post 704 a, anend post 704 b, and anintermediate post 704 c, each of which is round in shape and each anchored into the ground using acorresponding anchoring assembly Corner post 704 a is interconnected tointermediate post 704 c by a pair of plastic bumper rails 702 a, 703 a. Similarly,end post 704 b is interconnected tointermediate post 704 c by a pair of plastic bumper rails 702 b, 703 b.Corner post 704 a is connected to another portion of the protective barrier having an end post and bumper rails that are positioned at a substantially right angle to the portion of the barriers shown inFIG. 9 . - When the
protective barrier 700 is assembled, anupper portion 708 a of thecorner post 704 a is connected to anupper portion 708 c of theintermediate post 704 c by the upperplastic bumper rail 702 a. Specifically, the upperplastic bumper rail 702 a has afirst end 712 a inserted into anupper opening 714 a of thecorner post 704 a and asecond end 712 b inserted into anupper opening 714 b of theintermediate post 704 c. - A
lower portion 710 a of thecorner post 704 a is connected to a lower portion 710 b of theintermediate post 704 c by the lowerplastic bumper rail 703 a. The lowerplastic bumper rail 703 a has afirst end 716 a extends to alower portion 718 a of thecorner post 704 a andsecond end 716 b extending to alower portion 718 b of theintermediate post 704 c. - A
cable system 795 a is disposed inside a hollow interior of the lowerplastic bumper rail 703 a and extends between thecorner post 704 a andintermediate post 704 c. Asimilar cable system 795 b extends betweenintermediate post 704 c and endpost 704 b.Cable systems nylon strap 796 having looped ends 797 that are mechanically secured to corner post 704 a andintermediate post 704 c as well as betweenintermediate post 704 c and endpost 704 b. Nylon straps 796 are secured so as to be taut. - Referring to
FIG. 10 , the details of the mechanically coupling between the nylon straps and associated posts will be described.Lower portion 718 a ofintermediate post 704 c includes a U-shaped holder 730 that receives the cylindrically shapedintermediate post 704 c and includes a flange 732 that is attached, tointermediate post 704 c. Flange 732 includes a pair of diametrically opposed holes 736 a, 736 b and on either side ofpost 704 c.Pins 734 a. 734 b extend through diametrically opposingholes post 704 c as well as holes 736 a, 736 b of flange 732 of U-shaped holder. In this embodiment, flange 732 of U-shaped holder 730 is also attached toshackles 742 using abolt 744 andnut 746. - When assembled (as described below), the
cable system inner cores 750 of theposts - Each of
corner post 704 a,intermediate post 704 c, and endpost 704 b are assemblies including acap 770, anouter shell 760, and an anchoring assembly 773. The anchoring assembly includes theinner core 750 and acorresponding anchoring plate - The anchoring
assemblies protective barrier 600 shown inFIG. 6 and are configured to securely attach posts 704 a-c and the ends 718 a-c of the lowerplastic bumper rail surface 780. However, unlikeprotective barrier 600 ofFIG. 6 , U-shaped holder 730 ofprotective barrier 700 is secured and disposed betweeninner core 750 and anchoringassembly 743 c. - Referring to
FIG. 11 , the details of the interface of thecable system 795 b andcorner post 704 b is shown. The inner components and the manner in which the lower and upper plastic rails are attached using cable system b are much the same as is described in conjunction withintermediate post 704 c as shown inFIG. 10 . One difference is that rather than having a U-shaped holder 730 with a flange 732,cable system 795 b attaches toinner post 750 of corner post 704 bb using an L-shapedholder 782.Lshaped holder 782 ofprotective barrier 700 is secured and disposed betweeninner core 750 and anchoringassembly 743 b - In some examples,
protective barriers - In some examples, the bracket is an integral part of the rounded metallic end cap (e.g., the bracket and end cap are sand cast as a single integral part).
- In some examples, the cable system limits a maximum deflection of the plastic bumper rail. In such examples, the rounded metallic end caps may be configured to retain the ends of the plastic bumper rail in their openings when the maximum deflection is reached (i.e., the plastic bumper rail does not ‘pop out’ of the rounded metallic end caps).
- The cable system described above includes a braided steel cable. It is noted, however that other types of cables such as nylon cables, elastomer cables, solid steel (or other metal) cables, plastic cables, or any other suitable cable material can be used.
- The plastic bumper rail described above includes ribs. It is noted, however that other embodiments of the plastic bumper rail do not include ribs.
- In some examples, the pins describe herein are metallic pins. In other examples, the pins are plastic pins.
- In some examples, the opposite ends of the cable are fastened to the brackets using “shackles” such as the
shackle 856 shown inFIG. 8 . As is the case with other types of fasteners, theshackles 856 are attached to the ends of the cable and interact with receiving openings in the brackets to attach the cable to the brackets. - The cable system is described above in the context of one exemplary barrier. But the same cable system can be used to improve any number of barriers, including but not limited to the barriers and other protective apparatuses described in U.S. Pat. Nos. 9,103,163, 10,060,154, 9,644,393, 9,732,485, and U.S. patent application Ser. No. 15/940,281, the contents of which are incorporated herein in their entirety.
- It is to be understood that the foregoing description is intended to illustrate and not to limit the scope of the invention, which is defined by the scope of the appended claims. Other embodiments are within the scope of the following claims.
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US17/061,593 US20210102351A1 (en) | 2019-10-03 | 2020-10-02 | Barrier with cable system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201962910189P | 2019-10-03 | 2019-10-03 | |
US17/061,593 US20210102351A1 (en) | 2019-10-03 | 2020-10-02 | Barrier with cable system |
Publications (1)
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US20210102351A1 true US20210102351A1 (en) | 2021-04-08 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US17/061,593 Abandoned US20210102351A1 (en) | 2019-10-03 | 2020-10-02 | Barrier with cable system |
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US (1) | US20210102351A1 (en) |
EP (1) | EP4041968A4 (en) |
WO (1) | WO2021067652A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1030685B1 (en) * | 2022-07-04 | 2024-01-30 | Boplan Bv | PLINTH ASSEMBLY WITH INCREASED IMPACT RESISTANCE |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075473A (en) * | 1976-05-12 | 1978-02-21 | George Winston | Cable-reinforced safety barrier |
DE19517933C2 (en) * | 1995-05-18 | 2000-02-03 | Spig Schutzplanken Prod Gmbh | Guardrail strand |
IT244314Y1 (en) * | 1998-10-16 | 2002-03-11 | Snoline Spa | PERFECTED STRUCTURE OF BARRIER FOR EASILY REMOVABLE CLOSURE OF GATES. |
JP4111962B2 (en) * | 2005-05-23 | 2008-07-02 | 守芳 大谷 | Protective fence |
KR100589648B1 (en) * | 2005-10-19 | 2006-06-19 | 케이에스엠기술 주식회사 | Median strip of road |
KR20090105123A (en) * | 2008-04-01 | 2009-10-07 | (주)유니트엔지니어링 | Structure for protecting impact |
KR200454950Y1 (en) * | 2010-12-22 | 2011-08-10 | 우희봉 | Bicycle road fence |
US9126289B2 (en) * | 2012-07-06 | 2015-09-08 | Joel Duane Herman | Railing support post with threaded receivers |
US11187005B2 (en) * | 2017-03-29 | 2021-11-30 | Mccue Corporation | Protective barrier |
-
2020
- 2020-10-02 WO PCT/US2020/053880 patent/WO2021067652A1/en unknown
- 2020-10-02 US US17/061,593 patent/US20210102351A1/en not_active Abandoned
- 2020-10-02 EP EP20873091.1A patent/EP4041968A4/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1030685B1 (en) * | 2022-07-04 | 2024-01-30 | Boplan Bv | PLINTH ASSEMBLY WITH INCREASED IMPACT RESISTANCE |
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EP4041968A4 (en) | 2023-11-01 |
EP4041968A1 (en) | 2022-08-17 |
WO2021067652A1 (en) | 2021-04-08 |
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