Classifications

• • 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
  • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
  • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
  • E01F13/022—Pedestrian barriers; Barriers for channelling or controlling crowds

Definitions

• the invention relates to an extendable barrier on casters produced by assembling pivoting modular elements which can be deployed and folded manually.
• a barrier in stretchable diamonds is already known on a guide cable for road, urban or pedestrian paths described in document FR 2 688 244.
• This barrier has the following drawbacks: it is made of anti-corrosion treated steel, therefore it is very heavy to handle. It is ma ⁇ oeuvrée on a guide cable stretched between two fixed points, by at least one cable on which it is immobilized; this cable is towed by a mechanical system with manual, semi-automatic or automatic winch. There is no detailed mechanism for deploying it, but only for folding it back, except in FIG. 5 showing a cable system not described, with a return loop in a guide rail for fixed installations.
• the extendable barrier on casters consisting of modular elements pivoting therebetween in light alloy treated anti-corrosion all identical, each comprising two vertical branches in the shape of X pivoting on a rod in their center and at their ends on the next element, making it deployable and foldable manually;
• the barrier end elements are each provided with fixing means, preferably lockable, each on a corresponding fixed point for its immobilization in the deployed position between said fixed points integral with the site or attached in the form of a metal pole provisionally anchored or dei tively on this one.
• the two ends of said barrier may each be terminated by a complete modular element in X, these ends each comprising either two or four fixing means in the deployed position on a corresponding fixed point of the site, said fastenings acting together as a deployment limiter of the barrier and lateral stabilizers. Its two alternative ends each end in a special modular element formed by a normal half-element in Ne pivoting in a triangle provided, at its pivoting end, with at least one means of fixing the corresponding fixed point of the site.
• Its means of limiting deployment between two site attachment points is constituted by at least one chain stretched between two successive modular elements or by two identical links articulated between it and between two central pivots of two successive X modular elements.
• Each of its rollers is fixed to the end of a rod sliding in a tube integral with the corresponding modular element, comprising an upper stop defining the normal retracted position of each of the rollers, the low position, variable depending on the elevation of the site, being maintained by a self-locking means on the caster rod both in the low position and in the high position, which allows it to be supported on uneven ground over any its length.
• the reinforcement of this stability is obtained by means of the assembly of modular elements comprising two vertical X-shaped branches pivoting in their center, including the two branches of a same side are extended by one step beyond the end of the branches of the normal module, said extended branches having a 4th pivot at their extended end for attachment to the next identical module or to a special end module.
• its special end modules comprise a branch of the normal modular element cooperating with a branch of the special modular element so that said branches of this special modular element terminate on the same vertical plane perpendicular to the longitudinal axis of said barrier, the free end of the branch of the normal module pivoting on a short branch also pivoting at the end of the extended branch of the previous modular element, said ends each being provided with fixing means with or without locking on the fixed part of the site for the immobilization of said barrier.
• its two special end modules comprise two branches of the normal modular element cooperating with a branch of the special module and a short branch the length of a step so as to form an end triangle provided with a fixing means on a fixed point of the site, the other end of said reinforced barrier being able to be symmetrical or identical to the other.
• the main branch of the modular elements comprises a U-shaped profile provided with means for clipping a handrail profile. Bars are fixed between two portions of this profile which has holes for the passage of the pivot rods fixed thereon.
• the secondary branches of the modular elements are formed with two portions of a U-shaped profile comprising means for clipping a cover. This profile is pierced with fixing holes of the bars and, in line with the joints, has a punched hole for the passage of a bar through which the pivot rod passes.
• the bars are of rectangular section with rounded angles, the middle of the inner face of its two short sides has a fixing socket by means of four screws between the profiles of the main and secondary branches.
• the ends of the secondary branches comprise a retractable shoe support system on the ground provided with a means of rapid immobilization in the rest position or support to the floor.
• the barriers are produced by assembling as many normal or special modular elements in X, as necessary with their end elements comprising their fixing means which can be locked by padlock or lock.
• the yoke is extended by a threaded rod engaged in a hole in a metal plate and locked by means of four nuts after interposition on each side of the plate of conical washers to absorb the forces exerted on the barrier.
• the main uses of the barrier according to the invention are as follows: access ban; pedestrian crossing filtering to a site; separation of zones between them; insulation of objects, location or devices; orient, channel people, animals, vehicles etc.
• access ban ; pedestrian crossing filtering to a site; separation of zones between them; insulation of objects, location or devices; orient, channel people, animals, vehicles etc.
• Figure 1 and 2 seen in perspective and seen from above, an example of modular elements constituting an extendable barrier according to the invention comprising on one side a double fixing on the site and on the other a simple fixing ;
• Figure 3 and 4 schematically in top view of a variant barrier consisting of modular elements with a single attachment at each end;
• FIG. 5 an example of a chain for limiting the deployment of the barrier of FIGS. 3 and 4;
• Figure 26 an example, seen schematically from the side, of fixing two barrier sections between them;
• Figure 27 an example, seen in elevation, of fixing the end of a barrier on a post anchored temporarily or not on the site of use;
• Figure 28 a perspective view of the detail of the pivoting of the main and secondary branches of the modular elements of the barrier according to the invention.
• FIGS. 1 and 2 show, seen in perspective and seen from above, the example of modular elements 1 articulated in 2 in the form of an X to constitute, when assembled, an extendable barrier according to the invention of any length, at the request of users.
• the details of its construction method are presented in figs. 16 to 22. It comprises on one side, on the module 1A, two identical means 3, 4, for fixing on the site equipped with additional lockable means.
• Its special end module 5, in the shape of a triangle said to be born in pivoting at 6, comprises a single means 7 for fixing on the site, identical to the means 3,4.
• a lower means 8 identical to the other 3, 4, 7.
• Each modular element has two swivel casters 10, 11, arranged in opposition at the bottom allowing the barrier to be deployed and folded down easily.
• Each modular element comprises in the upper part, a handrail 12.
• Each simple or reinforced modular element as well as the special modular end elements consist of two branches 14, 15 of different height, the secondary branch 15 pivoting inside the main branch 14.
• the branch 14 has two profiles 16 between which are fixed profiles 17 called bars.
• the profile 12 of the handrail is clipped onto the profile 16.
• the bars 18 of the branch 15 are shorter than those 17 of the branch 14.
• the branch 15 consists of two identical profiles 20 between which the bars 18 are fixed by crimping The detail of the pivoting ends 6 will be seen in fig. 22 and 28.
• Figures 3 and 4 schematically show a top view of a variant barrier consisting of modular elements 1 pivoting in X and special modular elements 5 of pivot end in Born with a single attachment 4, 7, cooperating with the means complementary to the site.
• Figure 3 shows the modular elements 1 separated before assembly, terminated by two V-shaped elements 5 and assembled as in Figure 4.
• the chain 22 of Figure 5 has the function of limiting the deployment of barriers terminated by two special modular elements in vee.
• FIGS 6 and 7 schematically show a top view of a variant barrier consisting of modular elements 1 with two fasteners 3, 4 on one side on the element 1A and a single fastener 7 on the element 5 in Vee the other extremity.
• the fasteners 3,4 of the element 1 A ensure the self-limitation of the deployment of the barrier, even if, at the other end it is terminated by a modular element 5 in Vee.
• Figures 8 and 9 schematically show a top view of a variant barrier consisting of modular elements 1 pivoting in X, unassembled, whose end elements 1A have at least two fasteners 3, 4 at each end on fixed points of the site.
• Fig. 9 show the assembled modular elements stretched between the fixed points of the site SI, S2.
• FIGS. 10 and 11 show seen in perspective and seen from above, show an example of separate identical modular elements 25 constituting an extendable barrier reinforced laterally according to the invention comprising on each side a special modular element in V 26 on the left and 27 on the right, each provided, at their articulation, with a fixing means 4, 7 between two fixed points of the site SI and S2.
• These reinforced modular elements each comprise a part or branch extended by a pitch 29 on the same side and terminated by a 4 em ⁇ pivot.
• the modular element 26 of V-shaped left end comprises a branch 30 with two steps (the step being the distance between two pivots of the same branch, all the steps being identical for the same barrier) and a branch 31 of a the only pivoting step between them, the branch 31 comprising a fixing means 4 on the site SI.
• the following modular element 28 is special because it comprises a normal branch 33 with three steps and its second branch 34 with two steps, the pivot 35 in X being located on the first step.
• These reinforced modular elements are constituted, to the nearest step, in the same way as the modular elements of the non-reinforced barriers.
• the modular element 27 of the second end is different from its opposite 26 in that it comprises an additional branch with two steps and three pivots joining with the following normal element 25.
• Figures 12 and 13 show seen from above, another example of modular elements constituting an extendable barrier reinforced laterally according to the invention comprising on each side a double attachment 3, 4 between two fixed points of the site S1 and S2 increasing its resistance to overturning. It consists of the assembly of the number of normal modular elements 25 necessary to obtain the defined length of the barrier and terminated at its two ends by two symmetrical modular elements 40 and 41 each consisting of a normal branch with three steps 33, a branch 30 in two steps and a branch 31 in a step articulated on the branch 30.
• Figure 13 shows the different modular elements assembled together to form the barrier. We see from this figure, that when the ends 40, 41 of this reinforced barrier are fixed at two or four points on each side on fixed parts of the site, that this barrier, even very long, is not reversible.
• FIGS. 14 and 15 show seen from above, an example of a variant of normal modular elements 25 for constituting an expandable barrier reinforced laterally according to the invention comprising on each side V-shaped end elements 26 and 27 fixed between two fixed points SI, S2 of the site and the barrier thus assembled fig. 15.
• modules 40 or 41 at one of its ends to benefit from its anti-overturning capacity and better still, to have modular end elements. with four fixing points on each side on a wall or posts anchored on the site.
• Figures 16 and 17 show an example of a handrail profile 12 in the form of
• Inverted U comprising two fins 45 acting as a chpage stopper of a profile 16 on which the profile 12 is designed to engage and lock by elastic deformation by means of two bosses 46 of chpage on the corresponding sloping parts 47 of the section 16.
• This section 16 is also U-shaped, the upper part 48 of the vertical wings of which is inclined in an incline towards the inside to facilitate the engagement of the bosses 46 of chpage on the angles 47.
• the core 48 is pierced, in line with the articulations of the branches of the modular elements and in its longitudinal axis, holes 49 for passage of the articulation rods (see FIGS. 1 and 17).
• Figures 18 and 19 show, seen in section, examples of profiles 20 fig. 18 and its cover 50 fig. 19 (see fig. 1). These sections constitute the secondary branch 15 of the modular barrier elements.
• the profile 20 is U-shaped, the free end 5 Ides wings is folded at right angles inward and then folded again at 52 at right angles upwards, each ending in a clamping boss 53; the lower angles 54 are either rounded or broken.
• the cover 50 is also in the form of an inverted U, the short, thinned wings 55 ending in a chpping boss 56 complementary to those of the profile 20.
• the core 57 of the profile 20 (fig. 18) is pierced with through holes bars (fig. 20 and 28) which are then crimped and, in line with the pivots, has a punched hole for the passage of a bar 15 through which the articulation rod passes.
• FIG. 20 shows the section of the vertical bars 17 constituting, with the sections 16, 12, 20 and 50, the two main and secondary branches of the different modular elements.
• This profile 17 is of rectangular section with rounded angles 61.
• the middle of its two interior faces has a socket 60 allowing it to be fixed between the top and bottom profiles 16 (fig. 23).
• Figure 21 shows the bar 17 of fig.20 in the upper and lower ends of which a plastic bearing 64 has been inserted in which the rod pivots.
• Figure 22 shows an example, seen in section, of the pivots of the barrier.
• the sections 16 see fig.l
• Bars 17 are fixed between the sections 16 defining their horizontal position; the rod 65 is engaged in the corresponding holes of the profiles, the nuts 66, 61 having been put in place and approached against the profiles 16 at the same time as well as the washers 68 and 69 leaving a slight clearance between nuts 66,67 and washers 68 , 69 to allow the branch 15 to pivot smoothly on the bearings 64 of the rod 65.
• Flat washers 70 and lock washers 71 are placed on the threaded ends of the rod 65 and the nuts 72 are locked on their immobilizing washer the rod 65 on the main branch.
• Figure 23 shows an example of attachment of a bar 17 between two sections 16 or 20 of the branches 14 and 15 of the various modular elements.
• the fixing is carried out by means of four self-tapping screws 75 engaged in the passage holes of the profiles and screwed into the alveovis 60 of the bars.
• This method of attachment significantly strengthens the resistance to longitudinal deformation of the barrier during the opening and closing operations.
• the bars can also be crimped as will be shown in Figure 28.
• FIG. 24 shows an example, seen in section, of a removable system of ground support pad mounted near each external pivot of the barrier so as to make up for the unevenness of the site or the passage of sidewalks. It comprises a tubular sheath 80 in which a rod 81 slides vertically on a shoulder 82 and on a lower bearing 83. A support shoe 84 is fixed on the lower end of the rod 81. A compression spring is disposed in support between the bearing 83 and the shoulder 82. A locking lever 86, articulated at 87 on the support of the system, has a hole slightly larger than the diameter of the shoe rod, the edge of the hole blocks the latter in high or low position pushed by a spring 88.
• the system is removably mounted on an end bar and in abutment on the end of the lower profile 20.
• To descend the pad bearing on the self push on the upper end 89 of the rod 81 in the direction of the arrow 90 by compressing the spring 85, at the same time as the self-locking lever 86 is released by pushing it down through the hole 91.
• To block the shoe on the ground just release the the administrat which hangs on the rod 81 under the effect of the spring 88.
• the lever 86 is pressed which has the effect of releasing the rod 81 which rises in abutment under the action of spring 85.
• the barriers are generally not locked, they do not have rollers but rest on wider pads which can slide on the carpet.
• FIG. 25 shows an example seen diagrammatically from above, of a long barrier according to the invention, consisting of several sections 90, 91, 92 to be assembled on the site by means of latches 93.
• FIG. 26 shows an example of a means for fixing and locking two barrier sections together.
• the normal part 95 for closing the end of each of the facing sections 16 is extended outwards by a plate 96 pierced with a large hole 97.
• a connection plate 98 is made integral with the one of the closing pieces 95 by means of a bolt 99, the nut 100 of which is crimped, for example, by three needle punchs at 120 °.
• the fixing is ensured by a shouldered rod engaged in the holes of the other part 96 and of the plate 98 however that a padlock 102 and engaged in a hole 103 drilled in the end of the rod 101 preventing an unauthorized opening.
• FIG. 27 shows an example, seen in elevation, of a locking attachment of the end of a barrier 105 on a metal post 106 anchored provisionally or permanently on the site.
• the closing part 95 is taken in a yoke 107 in which the rod 101 is engaged and locked by a padlock 102.
• the yoke 107 is extended by a threaded rod 108 engaged for example in a hole in the core 109 of the U-shaped post or H or a metal plate 109 secured to a wall or the like.
• This rod 108 is blocked on said plate after adjusting the position of the yoke relative to the barrier by means of four nuts 110 after interposition on each side of the plate 109 of conical washers 111 for damping the forces exerted on the barrier.
• Figure 28 shows, seen in writing, the pivoting detail of a secondary branch on the end pivot of a main branch of the modular elements of the barrier according to the invention.
• the reference numbers of the preceding figures were used for the same members.
• This figure provides a better understanding of the mounting of the main and secondary branches on their pivot.
• the bar 15 can also be crimped , but this is not necessary since it is in abutment on each side on the corresponding fins of the profiles 20 and it receives two bearings 64 of the pivot rod 65.
• the spaces between the bars 17 and 18 of the barrier can be closed by various means such as cladding sheet, corrugated sheet, opaque, transparent or translucent plastic panels, laminated glass or light ribbing. These closing means can be perforated except for the glass. These various closing means can be inserted into seals embedded in small standard U-profiles in light ribbing, treated against corrosion, fixed on the short sides of the bars. These panels can receive advertising displays.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
• Tents Or Canopies (AREA)

Applications Claiming Priority (3)

Publications (2)

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ID=8856399

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• 2000
  • 2000-11-14 FR FR0014599A patent/FR2816644B1/fr not_active Expired - Fee Related
• 2001
  • 2001-11-09 CA CA002429406A patent/CA2429406C/fr not_active Expired - Fee Related
  • 2001-11-09 WO PCT/FR2001/003483 patent/WO2002040778A1/fr active IP Right Grant
  • 2001-11-09 AU AU2002218347A patent/AU2002218347A1/en not_active Abandoned
  • 2001-11-09 US US10/416,524 patent/US20040079930A1/en not_active Abandoned
  • 2001-11-09 EP EP01996650A patent/EP1334236B1/de not_active Expired - Lifetime
  • 2001-11-09 DE DE60131014T patent/DE60131014T2/de not_active Expired - Lifetime

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