Abstract: Deformable separator device for road safety barrier for vehicle impact of the type used between a vertical securing-support element or post and a horizontal impact element or railing, characterized in that the deformable separator (3) comprises two metallic pieces (5) and (6), in the form of a “U”, which are arranged so that their open faces are facing each other, assembled forming a single body, and with one piece being partially contained within the throat of the other piece and joined together by means of suitable fastening means via individual holes and in that the wings of the pieces are provided with guide-holes (11) (11?) at different heights in such a manner that they guide the bending of the separator element and which comprises a fusible fastening between the separator element and the post.

Abstract: A reusable energy-absorbing crash attenuator comprises a base, a rail disposed on and extending along a length of the base, and a plurality of energy absorbing modules slidably disposed on the rail. Each of the energy absorbing modules comprises a first module portion and a second module portion which are attached together. Each of the module portions comprise plastic, preferably high density polyethylene (HDPE), and have a combination of concave and convex curvature. A plurality of fender panels are disposed in adjoining end-to-end fashion along each side of the length of the crash attenuator. The fender panels are arranged to slide together in telescoping fashion upon impact of the crash attenuator by a vehicle.

Abstract: A control barrier includes a barrier wall having a front face and an opposing back face each extending between a top end and an opposing bottom end, a first recess being formed on the front face at the bottom end of the barrier wall. A first slot extends through the barrier wall from the first recess to the back face. A first foot coupled with the barrier wall and being movable between a first position wherein the first foot is at least partially disposed within the recess of the barrier wall and a second position wherein the first foot is rotated a least 45° relative to the first position and is removably positioned within the slot extending through the barrier wall.

Abstract: An apparatus and a method for disabling a ground engaging traction device of a land vehicle includes at least one penetrator configured to breach the traction device, an articulated strap configured to move a plurality of times between a retracted arrangement and an extended arrangement, an inflatable bladder configured to deploy the articulated strip to the extended arrangement, and a retractor configured to retract the articulated strip to the retracted arrangement. The articulated strip includes a plurality of plates coupled to the penetrators and a plurality of joints, wherein individual joint couples individual adjacent plates.

Abstract: A heavy duty ground retractable automobile barrier for a railroad crossing. Concrete bunkers are placed at each side of a roadway. An upstanding concrete-filled steel pipe fixed in each bunker has a sleeve for rotational and axial movement. Shock absorbers are mounted on each sleeve. A net extends across the road and is attached to the opposite ends of the shock absorbers. Collision of an automobile with the net creates tensile forces in the net. The shock absorbers expand while rotating about the pipe's axis in response to tensile forces from the net that meet or exceed a minimum threshold. Forces from the net pass through the axis of the steel pipe. The net is stored in a pit transverse the roadway parallel to the railroad tracks and is raised and lowered as appropriate. The net includes a cable that extends across the road in a wave pattern, having peaks, valleys and midpoints, wherein tangents of the wave midpoints are at least 90 degrees from tangents of the peaks and valleys.

Abstract: A barrier (B) for arresting motion of a vehicle driven in an incoming direction (V) and having wheels (18) with tires that couple to fasteners (20) retained in a substrate (10). The substrate has a thickness (T) and is disposed on the ground (G). The fasteners are single-piece fasteners configured for self-retention into the substrate thickness and into a wheel driven over a fastener. A fastener may be configured for engagement via the top surface (14) of the substrate or via the bottom surface (16) of the substrate which has a base (31) with at least one prong (30) or a base (31) with at least one prong and at least one hook (35). The substrate is either a three-dimensional woven web of loops, or a full, or a foamed substrate. The fasteners are introduced into and may be retrieved out of the substrate either manually or mechanically.

Abstract: A crash barrier apparatus for a structure opening that is closable with a movable door, the door being constructed and arranged with a security structure to close off the structure opening. The specific security structure of the referenced crash barrier apparatus includes, in one embodiment, a first support that is anchored to a first base surface, a second support that is anchored to a second base surface, and a beam received by the supports. In other embodiments, cable arrangements are used.

Abstract: A modular vehicle barrier system includes a reaction mass for installation in the earth; at least one post immovably anchored in the reaction mass and extending upwardly therefrom; the reaction mass having a forward member for confronting and compressing the surrounding earth and absorbing energy from the impact of the vehicle with the post.

Abstract: A barrier for arresting a vehicle. The barrier includes a net spanning an area through which the vehicle may pass, an anchor coupled to the net, a support arm arranged on one side of the area through which the vehicle may pass, a raising/lowering mechanism for raising and lowering the support arm, and a release mechanism arranged on the support arm, the release mechanism having an upper and a lower protrusion forming an interior space to accommodate a member coupled to the net, and the member and the release mechanism become uncoupled upon application to the net of at least a predetermined threshold force.

Abstract: A collapsible barrier (10) comprises: a first pair of members (12,14) pivotally coupled together at a first coupling (16); and a second pair of members (18, 20) pivotally coupled together at a second coupling (22); wherein each member (12, 14) of the first pair is pivotally coupled at a respective lateral coupling (24, 26) to a corresponding member (18, 20) of the second pair such that the members (12, 14, 18, 20) are movable from an erected configuration where the members of the first pair are mutually inclined at a first angular separation, and a collapsed configuration where the members of the first pair are mutually inclined at a second angular separation which is less than the first angular separation.

Abstract: A vehicle destabilizing device that provides for the selective, remotely-deployed deflection and/or overturning of a targeted vehicle regardless of wheel or undercarriage configuration. The device is comprised of a combination of a remote arm/safe mechanism, a remote deployment switch, one or more lifting devices, a housing, and one or more structural members contiguously engaging the vehicle. The housing can be at least partially submerged in a road surface or protrude from the road surface so as to be driven over until deployed. A sensor can provide independent deployment once the device is armed.

Abstract: A water-ballasted molded plastic barrier system incorporates barrier segments wherein each segment employs a sawtooth reflective design, designed to prevent the tire of a vehicle, impacting the barrier, from climbing up the side of the barrier segment. Adjacent barrier segments are attached together using an interlocking knuckle design, having a lug pin connection system. Wire rope cable assemblies are internally molded into each barrier segment to create an impenetrable cable fence. The wire rope cable assemblies include steel bushings which are molded into the interlocking knuckles to further strengthen the barrier system.

Abstract: A non-lethal vehicle device provides for the selective, remotely-deployed controlled stop of a targeted vehicle regardless of wheel or undercarriage configuration. The device is comprised of a combination of a remote arm/safe mechanism, a remote deployment controller, spike/membrane deployment mechanism(s), a “speed bump” type housing that can protrude (be driven over until deployed) or be submerged, and one or more membranes with a plurality of spikes. A combination of sensors may provide independent deployment once armed.

Abstract: An energy absorber device having a hollow body of generally conical shape. The hollow body is formed by at least two truncated or cylindrical segments, aligned with each other along their axes of extension and/or symmetry, with successive sections being of decreasing width. The various truncated or cylindrical segments are connected to each other by intermediate portions defining, with the aforementioned segments, recesses or steps. The hollow body can be crushed into itself by a return of the segments of smaller dimension into the adjacent segments of larger dimension, generally telescopically. The device is dimensioned such that the base segment has a height equal to X and the other segments of smaller width have a height corresponding to about 2X.

Abstract: A vehicle crash cushion for decelerating a vehicle includes first, second and third bays. The first bay is positioned forwardly of the second bay and the second bay is positioned forwardly of the third bay. The first, second and third bays each have energy absorbing structures with first, second and third impact strengths respectively. The first impact strength is greater than the third impact strength, which is greater than the second impact strength.

Abstract: A method and apparatus for inhibiting the motion of a vehicle comprising a housing having a cavity, the cavity adapted to contain a net so that the net may be made available for release on command; tire engagement spikes supported by the housing, the spikes being movable to a first position to engage the tires of an oncoming vehicle, the spikes also being movable to a second position to avoid tire engagement, the spikes being positioned to grasp the net when in the first position; and an actuator for moving the spikes between the first and the second positions on command.

Abstract: A height-adjustable docking buffer is described for protecting facades when vehicles are docked in building openings. The docking buffer is made up of a fixed mounting frame and a height-adjustable buffer block for a loading ramp or a transfer bridge. The buffer block is designed as an essentially horizontal bumper bar, and includes an inflatable gasket, the ends of which are height-adjustably supported on two spaced, fixed mounting frames, preferably in the form of pillars. A method for operating the docking bar is also disclosed.

Abstract: A plate-mounted bollard which includes an internal impact absorption mechanism that enables the bollard to absorb impact forces greater than conventional plate-mounted bollards. The bollard makes use of a force transfer process that shifts impact forces to areas better able to resiliently absorb the impact without causing damage to the bollard, the impact absorption mechanism, or the ground in which the bollard is installed. The impact absorption mechanism consists of an internal resilient core rod mounted at its proximal end to a base plate which is fixed to the ground. Impact forces are then transferred through an outer shell to the distal or upper end of the internal resilient core. With energy from the impact force being distributed along the maximum length of the resilient core rod, the rod flexes and the full length of the rod is utilized to absorb the impact energy.

Abstract: An anti-ram system and method of construction having a shallow mounted base pad from which extend a plurality of bollards. Very little or only a shallow excavation is required for the base of the bollard system, which can be partially or fully assembled prior to bringing it to the installation site. The shallow mounting pad or base of the bollard system of this invention may be formed or constructed in various ways and of various materials, and in various configurations. The shallow mounting pad or base is constructed so as to have considerable mass.

Abstract: A barricade comprising a material, a support rod, a first and second cone, and a first and second rod. The material comprises a first and a second pocket and a length of material therebetween. The support rod has a first end, a second end and a length therebetween, with the first end of the support rod coupled to the first pocket of the material and the second end of the support rod coupled to the second pocket of the material. The first rod has a first end received within the first pocket of the material and a second end received within the top of the first cone. The second rod has a first end received within the second pocket of the material and a second end received within the top of the second cone.

Abstract: A bollard, which is positioned in a structure having a grade level, includes an outer member having a first section extending above the grade level; an inner member having a filler material; and a connector operationally connecting the inner member and the outer member, wherein the inner member straddles the grade level and is rotatable relative to the outer member.

Abstract: Disclosed is an apparatus and method for decelerating moving vehicles. A set of two novel pylons is disclosed employing a simple, durable and reliable braking mechanism. Each braking mechanism comprises a spindle assembly including a brake disk and a spool assembly comprising a rotor and two caliper disks adjacent the brake disk. The spool assembly is pivotally mounted on the spindle assembly. As the strap is deployed a ratchet and pawl mechanism fixed to the base of the spindle assembly prevents the spindle assembly from rotating with respect to the spool assembly. The sliding friction between the caliper disks and the brake disk impedes the rotation of the spool assembly and restrains deployment of the strap. After impact, the strap can be rewound via a ratchet nut located on the spool assembly. During rewind the spindle assembly rotates with the spool assembly. An additional embodiment connects a sacrificial barrier between the two pylons mounted to a gantry.

Abstract: A vehicle arresting device comprises a net intended to be laid flat on the ground in the path of a target vehicle with an array of upwardly-directed spikes attached to the net along a leading portion, so that when a vehicle runs over the device some of the spikes engage in its front tires and the net is caused to wrap around the front wheels, being pulled tight under the vehicle to prevent further rotation of those wheels. There are two rows of spikes, with the spikes in the second row being substantially longer than the spikes in the leading row. The gauge of the netting also varies, with the leading strip which includes the shorter spikes and back towards the longer spikes being of a thinner gauge, the portion from the longer spikes back to approximately the mid length of the net being of a thicker gauge, and the trailing portion reverting to the thinner gauge. These measures help to ensure that the net is capable of arresting a wide range of vehicles, from passenger cars to trucks.

Abstract: In order to stop a moving vehicle without injury to occupants, a vehicle barrier is provided having a pair of platforms disposed on opposite sides of a roadway, and a capture net extending across the roadway between the platforms. Each platform has a rotatably mounted spool attached to a different end of the net, and a dual acting extension-compression shock absorber pivotally mounted to the spool, such that when the force or energy of an impacting vehicle on the net is applied to the shock absorbers, via rotation of the spools. Rotation of spools operate the shock absorbers in compression, and if needed, in extension. In railroad crossing application, two of the vehicle barriers are provided on either side of the railroad tracks to prevent vehicles from crossing the railroad tracks.

Abstract: A racing facility with a racing surface and a pit road. The pit road includes an pit road entrance connected to the racing surface, a plurality of pit walls defining a plurality of elongate pit boxes/stops each connected at a first end thereof to the pit road entrance, wherein the pit boxes are arranged in a side by side configuration and are arranged at an angle with respect to the pit road entrance and wherein the pit walls are movable such that a given pit box can be defined on a left side or a right side of a respective pit wall. The pit road also includes a pit road exit connected to the pit boxes at opposite second ends thereof wherein at least a portion of the pit road exit is arranged substantially parallel to at least a portion of the pit road entrance. The pit road entrance and/or pit road exit can intersect the racing surfaces at acute angles. The pit boxes can intersect one or both of the entrance and pit road exits at acute angles.

Abstract: A bollard with connecting mechanism for connecting railings, comprising: a bollard body which is provided with at least two receiving parts concave inwardly on each of opposite surfaces thereof; at least two connectors, each of which includes a base and an ear extending from the base and having a connecting hole thereon for connecting the railing; wherein the base is accommodated in the receiving part, and the ear is selectively accommodated in the receiving part or exposed out of the receiving part according to whether railings need to be connected.

Abstract: A bollard assembly having a post and a sleeve. The post has a cylindrical post wall forming a cavity and a passage in the post wall. The passage has a first section that extends longitudinally along the post wall and a second section that intersects the first section and extends crosswise to the first section. The sleeve has a cylindrical sleeve wall forming a cavity and a latch pin that is attached to the sleeve wall and extends into the cavity. The sleeve is adapted to receive the post such that the latch pin travels through the passage in the post wall.

Abstract: A crash barrier assembly has a plurality of prismatic, solid structural elements, at least one of the elements having a shoulder forming a horizontal surface on at least one of its sides, and another element having substantially matching surfaces on at least one of its sides so as to facilitate juxtaposing of the elements. A coupler resiliently interconnects the elements to each other in a manner facilitating relative controlled movement along the horizontal surface of the one element with respect to the other about the coupler. A method for erecting a crash barrier is also provided.

Abstract: A Freeway Impact Attenuator is a traffic control or traffic accident impact absorbing device that will be deployed and replaced the conventional sand filled plastic buckets on the highway exits, junctions and temporary highway constructions. The rear support bracket for the temporary deployment to be replaced with concrete block to keep the unit from sliding. The bumper and sliding tube move backwards and simultaneously the water in the cylinder get compressed while piston also moves backwards once impact force exerted to the bumper. The sliding tube and piston is interfaced through the clamp. When the water pressure increases to the level that cylinder piston reaction force overcome the impact, sliding tube will stop prior to the end of cylinder full stroke. Water level inside the tank will also increase and may over flow in some case is depending on the piston traveling in the cylinder.

Abstract: A barrier wall comprises a number of barrier devices connected end-to-end each having an external reinforcement structure wherein the end-most barrier device in the barrier wall is coupled to a crash cushion by a transition device.

Abstract: A vehicle barrier system, comprising, a support member having a first side disposed toward an area used by vehicles, a splice plate including a support aperture and a stress concentrator associated with to the support aperture, and a rail assembly including, in one embodiment, a wood rail and a first side, wherein the first side of the rail assembly is coupled to the splice plate and the splice plate is coupled to the support member at the support aperture. In another embodiment the rail assembly includes one or more weakened areas serving as stress concentrators in the rail assembly.

Abstract: A road traffic barrier module comprises a hollow body adapted to receive ballast and adapted at either end to link with similar modules to form a barrier in which there is a pair of upper and lower horizontal bolts passing through mating ends of adjoining modules and there is also a pair of cables the ends of which are also secured by the bolts. In an alternative form adjoining modules are linked by vertical pins passing through mating ends of the adjoining modules and there is a pair of cables the ends of which are also secured by the pin. The modules are molded from a plastic material and the walls may also be clad with metal pressings to increase structural integrity and to protect against damage.

Abstract: A crash barrier device including: a body portion having at least an impact portion; and a fastening portion configured to fasten the body portion to a projecting load being carried by a vehicle; wherein the impact portion and fastening portion are configured such that the impact portion is nearer to a surface traveled on by the vehicle than the fastening portion. A system for carrying projecting loads is also provided and includes: a trailer having wheels and fastener(s) for fastening the trailer to a powered vehicle; and the crash barrier device.

Abstract: A barrier system comprises a housing, substantially vertical members, and vertical guide tubes. The housing extends into the ground. The guide tubes are positioned in the housing and also extend into the ground below the housing. The substantially vertical members are translatable vertically within the guide tubes. At least one barrier member is secured to the substantially vertical members. The at least one barrier member may comprise at least one guardrail, a plurality of chains or cables, and/or a plurality of gate beams. A series of cables and pulleys form an actuation system that raises and lowers the substantially vertical members relative to the guide tubes to selectively extend and retract the at least one barrier member relative to the ground. A cover plate may selectively cover the top opening of the housing when the barrier member and substantially vertical members are retracted within the housing.

Abstract: A device for modifying the layout of a vehicle racing course in a wide track section thereof including an arrangement consisting of individual elements for defining the edge of the track located in the region of the track section, which can be displaced, either individually or in groups, from an initial configuration of the track section into a new configuration for reshaping a bend in the racing course or/and for dividing the racing course.

Abstract: An anti-ram system and method of construction having a shallow mounted base pad from which extend a plurality of bollards. Very little or only a shallow excavation is required for the base of the bollard system, which can be partially or fully assembled prior to bringing it to the installation site. The shallow mounting pad or base of the bollard system of this invention may be formed or constructed in various ways and of various materials, and in various configurations. The shallow mounting pad or base is constructed so as to have considerable mass.

Abstract: An apparatus and a method for disabling a ground engaging traction device of a land vehicle includes at least one penetrator configured to breach the traction device, an articulated strap configured to move between a retracted arrangement and an extended arrangement, an inflatable bladder configured to deploy the articulated strip to the extended arrangement, and a retractor configured to retract the articulated strip to the retracted arrangement. The articulated strip includes a plurality of plates coupled to the penetrators and a plurality of joints, wherein individual joint couples individual adjacent plates.

Abstract: In order to stop a moving vehicle without injury to occupants, a vehicle barrier is provided having a pair of platforms disposed on opposite sides of a roadway, and a capture net extending across the roadway between the platforms. Each platform has a rotatably mounted spool attached to a different end of the net, and a dual acting extension-compression shock absorber pivotally mounted to the spool, such that when the force or energy of an impacting vehicle on the net is applied to the shock absorbers, via rotation of the spools. Rotation of spools operate the shock absorbers in compression, and if needed, in extension. In railroad crossing application, two of the vehicle barriers are provided on either side of the railroad tracks to prevent vehicles from crossing the railroad tracks.

Abstract: A commercial vehicle safety barrier that is designed to assist a commercial tanker truck when delivering gasoline to a service station by keeping pedestrians and motorists away from the vehicle while the fuel was being unloaded. The barrier is fabricated from four separate casings that are mounted to the side of a commercial fuel tanker trunk. The casings are mounted to the same side of the truck on which the hose manifolds are located. Each casing includes a nylon strap attached to a retractable, spring-loaded reel, allowing each nylon strap to be pulled out and attached to a portable cone via a hook located on the nylon strap. The strap may contain a message to notify passersby of danger or an emergency. The barrier may also be used to assist police and emergency vehicles, as well as utility workers to notify passersby of danger or an emergency.

Abstract: A water-ballasted barrier system incorporates a concave reflective design, wherein outer walls of the barrier segment are configured in a concave manner. The concave section is designed to prevent the tire of a vehicle, impacting the barrier, from climbing up the side of the barrier segment, by pocketing the tire in the curved center portion of the barrier wall. Adjacent barrier segments are attached together using an interlocking knuckle design, having a lug pin connection system. In some embodiments, wire rope cable is internally molded into each barrier segment to strengthen the barrier system.

Abstract: An apparatus for absorbing the impact of a vehicle collision is disclosed. The apparatus includes a partition moving speed control member (10), which is provided in the frontmost partition, and a guide rod (20), which is inserted into a hole (10a) in the member (10), such that the front end of the guide rod is fastened to rails, and the rear end of the guide rod does not reach the rearmost partition. The apparatus further includes a locking rod (120), which is coupled to the guide rod (20) such that the rear end of the locking rod (120) is placed through the rearmost partition, and a locker, which is provided on the rearmost partition so that, when the vehicle collision occurs, the locking rod freely passes over the locker, but, after the vehicle collision is finished, the locking rod is prevented from being returned to the original position thereof.

Abstract: A combined guardrail and cable safety system is disclosed. In one aspect, the present invention teaches a safety barrier including a plurality of cable posts spaced from each other and disposed adjacent to a roadway. At least two cables are releasably engaged with and supported by the cable posts. The cable posts and the two cables cooperate with each other to prevent a vehicle from leaving the roadway. A plurality of guardrail posts are spaced from each other and disposed adjacent to the roadway longitudinally spaced from the plurality of cable post. A guardrail beam is fixedly coupled to the plurality of guardrail posts and including slots. The two cables extend from the cable posts through respective slots formed in the guardrail beam permitting each cable to engage a respective cable anchor bracket securely fastened to a portion of the guardrail beam.

Abstract: A guardrail defined by a number of vertical supporting posts fixed successively to the ground along the edge of a road, and by one or more longitudinal members fixed successively and substantially horizontally to the vertical posts to form a longitudinal transverse retaining member extending along the edge of the road, at a predetermined height off the ground; each of the longitudinal members being defined by a rigid, controlled-deformation strip of composite material, which is bent back on itself to form a substantially S-shaped first longitudinal portion and a substantially C-shaped second longitudinal portion adjoining and covering the first longitudinal portion, so as to form a tubular, complex-section body extending from one vertical post to another and substantially parallel to and a predetermined height off the ground.

Abstract: A crash barrier beam (10) suitable for temporary placement on a road comprises a housing (18) which, in profile, has a laterally extending base (12) for contact with the road. The beam has a narrower central element (14) upwardly extending from the base that terminates in a top portion (16). The exterior of the housing provides a continuous impact surface to an oncoming vehicle and the profile provides stability to the beam on impact. The crash barrier beam (10) has a length defined by a first end (24) and a second end (26, 28). At least one of the first and second ends comprises formations (32, 34) for engagement with corresponding formations (38, 40) on an end of an adjacent beam (10?) so as to facilitate joining of the beams to one another. The formations are configured for the beams to be substantially self-aligning with respect to each other.

Abstract: A starting gate apparatus and method for use in bicycle races is provided. The starting gate includes a main platform, a plurality of gates connected to the main platform and a gate actuation arrangement to drive the gates from a bike stopping position to a bike releasing position. The gate actuation arrangement permits variations in at least one gate actuation parameter including an intermediate stopping position along a gate travel path, the driving force of the gate along the gate travel path, and/or an interval between initiation of an actuation sequence and actuation of the gate of the starting gate. Embodiments of the gate actuation arrangement permit a gate to independently act on an obstruction, provide for reversing, momentarily actuation of the gate during gate actuation or varying the duration or disposition of the interval of the gate actuation sequence.

Abstract: A barrier includes a housing having a front wall and an opposing back wall each extending between opposing sidewalls. The housing also includes a floor and an interior surface bounding a chamber, the chamber communicating externally through an inlet opening. A first inset projects into the chamber from the front wall so as to form a recessed pocket on the front wall. A second inset projects into the chamber from the back wall so as to form a recessed pocket on the back wall. The first inset and the second inset are connected together within the chamber so that the chamber encircles the connection.

Abstract: Barrier elements provide security from terrorist threats by ability to withstand both vehicle collisions and explosive blasts. Each barrier element is prefabricated to include a massive block of durable material, preferably of high strength concrete, with at least one tunnel extending at least partially between respective cavities in two opposite sides of the block. Each barrier element also includes at least one beam that is preferably made of steel and extends through one such tunnel. Multiple blocks are positionable slidably on top of the ground side-against-side with their beams coupled longitudinally to one another at least approximately end-to-end. Retainer means can be used to block coupling means from entry into the tunnels. Forces from a vehicle collision or an explosive blast can cause barrier elements to rotate relative to one-another when the couplings between beams hinge or bend as the durable material that interferes with the rotation breaks away.

Abstract: A water-ballasted barrier system incorporates a concave reflective design, wherein outer walls of the barrier segment are configured in a concave manner. The concave section is designed to prevent the tire of a vehicle, impacting the barrier, from climbing up the side of the barrier segment, by pocketing the tire in the curved center portion of the barrier wall. Adjacent barrier segments are attached together using an interlocking knuckle design, having a lug pin connection system. In some embodiments, wire rope cable is internally molded into each barrier segment to strengthen the barrier system.

Abstract: This invention relates generally to devices that are used by law enforcement agencies and others for intentionally puncturing the rubber tires of a motor vehicle. More particularly, this invention relates to an assembly that can be placed in front of or in back of one or more tires of a stationary vehicle for the purpose of deploying one or more spikes from the assembly in the event the vehicle is moved. It also relates to a vehicle tire puncturing and deflating spike assembly that is compact, that protects the spikes and the person carrying them during storage and otherwise, and that is quickly and easily used in the field.

Abstract: Contention system for lateral impacts from vehicles, of the kind formed from a mixed metal and wooden horizontal continuous rail, comprising two or more wooden logs of equal cross-section, preferably rectangular, fitted with the same metal profile of cross-section preferably in the form of a “sigma” and longitudinally connected together by means of a metal plate, with the rail being supported at regular intervals by metal uprights inserted or secured into the ground, externally faced with a wooden cover consisting of three or more flat wooden strips, the rail being fixed to the posts by means of a metal distancer spacer by way of support, formed from a main piece in the form of an “omega” lying on its side which joins consecutive rails together via their ends and an interior U-piece which incorporates the star-shaped hole for the breakaway attachment between the support and the post, with a metal support plate between the front part of the wooden cover for the post and the central part of the metal support.