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4998843 |
Modular anti-intrusion barrier
Device prohibiting access of alien vehicles to given zones, while allowing recognized, identified and authorized vehicles to enter, consisting of at least one re-usable modular element with...
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4989835 |
Vehicle barrier
A vehicle security barrier which can be conveniently placed across a gate opening as well as readily removed from the gate opening to allow for easy passage. The security barrier includes a barrier...
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4986694 |
Marker for concrete barriers
A marker for concrete safety barriers incorporates a hollow, cylindrical body which is bifurcated from one end to define spaced-apart diverging legs, and an end wall on the other end. Inner walls...
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4979817 |
High strength security fence for snaring vehicles
A high strength security fence for resisting penetration by vehicles. The fence has high strength line posts that support a plurality of tensioned high strength cables. In the preferred form, these...
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4974815 |
Plastic traffic barricade
A plastic traffic barricade comprises two integrally molded, generally planar panel units each having two upstanding legs interconnected by a panel member and each having a hinge projection mating...
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4974991 |
Vehicle speed bump device
The present vehicle speed bump device allows a vehicle to roll over the device slowly with little resistance. However, the device includes a lock which operates to lock the speed bump of the device...
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4973189 |
Collapsible barricade
There is provided a collapsible barrel-shaped barricade which telescopes within itself for compact storage. Particularly, a solid and heavy base is provided for stability and a series of...
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4971475 |
Precast curb system
An improved curb section of a predetermined length sub-divided into modules by transverse grooves which give the appearance of shorter blocks and provide for fracturing the curb section at those...
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4968177 |
Modular barricade
There is provided a modular barricade which is composed of a plurality of interchangeable parts. A standardized section is used to form the frame mounting, and extensible crossbar is mounted to...
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4954009 |
Road barrier systems and methods
Barrier systems and methods include relatively narrow, cast, silica fume concrete road barriers for work site protection, road edge, and traffic lane divider locations. Reflector-bearing caps close...
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4943035 |
Barricade
A barricade is provided for use at construction sites, on roadways and highways, and the like, or for crowd control, for example, at the scene of an emergency. The barricade includes an elongated,...
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4934097 |
Barrier post free of jamming points
A barrier post (1) for closing a variety of access paths as well as parking lots and parking spaces in particularly easy to use and entails no risk to the user, for example by the presence of...
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4928928 |
Guardrail extruder terminal
A guardrail extruder terminal for flattening a W-beam guardrail and bending the guardrail to dissipate the energy of a vehicle impacting the end of the guardrail includes a feeder chute. The feeder...
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4925333 |
Sectional shock absorbing and motorist warning highway barriers
A sectional shock-absorbing and motorist warning highway barrier is provided in the form of multi-component sections about four feet in length, and adapted to be joined together in end-to-end...
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4923327 |
Terrorist vehicle arresting system
A terrorist vehicle arresting system includes a rigid immovable crash barrier postioned at one side of a driveway and a turnstile having a circular sector positioned at the other side of the...
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4919563 |
Vehicle parking or passageway security barrier
A vehicular trafficway or roadway barrier or space barrier for controlling access to the same. The apparatus is installed below the parking space or roadway and includes a retractable barrier which...
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4917219 |
Wheel chock
A light-weight wheel chock is formed having a thin exterior shell of rigid, chemically-inert plastic material, such as high-density polyethylene, and an interior cavity filled with light-weight...
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RE33201 |
Hydraulic safety barrier traffic-way controller
A vehicle traffic-way controller of retractile barrier configuration wherein activation and control is by hydraulics in the form of a pressure source applied from a motor driven pump and directed...
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4916859 |
Assault-resistant gate
An assault-resistant gate is intended to bar passage, through an opening, of large vehicles moving at high velocity. The gate has a relatively strong hinge-post. A beam extends from the hinge-post...
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4909661 |
Advanced dynamic impact extension module
An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of extremely rapid deacceleration of a vehicle when the vehicle impacts an end of a...
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4893119 |
Method and apparatus for operating a vehicle barricade
A method of operating a vehicle barricade comprising the steps of providing an hydraulic system comprising an electrically operated motor and a passive accumulator, the hydraulic system is operably...
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4881845 |
Moveable roadway barrier system
A moveable roadway barrier system comprising a number of interconnected barrier sections of substantial length which can be moved to change the direction of traffic flow or for other reasons by a...
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4880332 |
Collapsible barrier for vehicular traffic
A collapsible barrier for vehicular traffic comprising two members (3, 4) pivotally connected to base means (1, 2) thereby enabling the members to be raised into an operative vehicle obstructing...
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4875797 |
Parking space guard
The present invention provides a parking space guard comprising a base for anchoring the guard to a supporting surface and a blocker movable from a down access to an up blocking position. The base...
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4869617 |
Portable highway barrier
The portable highway barrier of the present invention comprises an elongated barrier body made of lightweight material and having an open cavity therein. The barrier includes an elongated vertical...
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4861185 |
Collapsible road barrier
A collapsible road barrier comprises a foundation pit, a frame located in the foundation pit, an expandable barrier element mounted in the frame, at least one energy absorption element extending...
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4859983 |
Plastic barricade
A traffic barricade of the A-frame type constructed of a lightweight material such as plastic to have a forbidding appearance. The barricade members are unitarily constructed to be interchangeable...
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4854767 |
Assembly-type barricade
An assembly-type barricade comprising a base stand and an upstanding wall both of which are nearly rectangular parallelpipedal. Protruding means is provided in one of the base stand and the upright...
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4850737 |
Hydraulic spring vehicle barricade and hydraulic circuit therefor
A vehicle barricade comprises a frame to which a barrier plate is pivotally mounted for being moved between a passage and a blocking position. First and second hydraulic motors operably...
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4844653 |
Cable-beam trafficway barrier
A semaphore type trafficway barrier for arresting vehicles, and comprised of spaced posts at opposite sides of the trafficway, one a pivot post disposed on a vertical axis and with a yieldable...
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4844652 |
Self-aligning curbing modules
A curbing module having interconnected sections as provided by body members interconnectable to provide a row of sections of curbing. The body members are preferably cast, and have embedded within...
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4828424 |
Vehicle security barrier
A vehicle security barrier (10) for selectively prohibiting a vehicle from accessing a preselected area and for otherwise controlling vehicular traffic. The security barrier (10) comprises a base...
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4828425 |
Pre-loaded hinges for lane barrier system
A lane barrier system comprises a plurality of pivotally interconnected modules adapted to be transferred on a roadway. Each adjacent pair of modules are pivotally connected together by a hinge...
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4826349 |
Underground vehicle barricade
A vehicle barricade comprises a frame having an open top and bottom, side, front and rear portions. A barrier plate is pivotally associated with the frame for being pivoted between a first and a...
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4824282 |
Methods and apparatus for quickly erecting a vehicle barrier across a roadway
A barrier system is provided for blocking a roadway to prevent passage of a vehicle. The barrier system comprises a series of inflatable bags connected to a flexible net, and energy dissipating...
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4822207 |
Anti-terrorist vehicle crash impact energy absorbing barrier
An anti-terrorist vehicle crash barrier includes side support structures, crushable energy absorbing aluminum honeycomb modules, and an elongated impact-resistant beam extending between, and at its...
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4822206 |
Parking barrier
A device for inhibiting parking or travel on pavement, comprising an elongated barrier member that is hingedly affixed to a support bolted or otherwise securely attached to the pavement. The...
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4818136 |
Hydraulic vehicle barricade and method
A hydraulic barricade comprising a support to which a barricade plate is pivotally attached. At least a first hydraulic cylinder and piston assembly is operably connected with the barricade plate...
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4815565 |
Low maintenance crash cushion end treatment
A crash cushion end treatment, comprising a reusable barrier apparatus to protect vehicles traveling along the roadway from fixed roadside obstructions is disclosed. The apparatus is attached to...
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4815889 |
Lane barrier system with pivot control and method
A lane barrier system comprises a plurality of pivotally interconnected modules adapted to be transferred on a roadway. Each adjacent pair of modules are pivotally connected together by hinge...
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4806044 |
Anti-crash lane barrier with self-centering hinges
A lane barrier system comprises a plurality of pivotally interconnected modules adapted to be transferred on a roadway. Each module has sidewalls that taper upwardly and inwardly to intersect a...
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4792258 |
Collapsible warning barricade apparatus
A collapsible warning barricade apparatus for restricting access to a designated area by vehicular and pedestrian traffic in which at least an upstanding portion of the apparatus is capable of...
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4785577 |
Noise-absorbing construction having live plants
A noise-absorbing greenery-carrying structure (12) makes use of worn tires (7), which are divided by cuts extending from the central opening to the tire into tiresectors (9) mutually connecting,...
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4784515 |
Collapsible highway barrier
A highway barrier includes a collapsible guardrail assembly and a rotatable beam which is mounted between the rearward end of the guardrail assembly and a roadside hazard. The collapsible guardrail...
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4780020 |
Terrorist vehicle barrier
A terrorist vehicle barrier is disclosed that is an improvement on the barrier shown in U.S. Pat. No. 4,576,507. The barrier consists of two vertical I-beams having cable passed between them to...
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4778250 |
Lightweight vertical panel safety-barricade for streets and highways
A lightweight vertical panel barricade for use on streets and highways in which a first vertical panel is supported and rigidly locked into place by the clamping effect of respective ends of leg...
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4775261 |
Barrier device for the temporary blocking of a roadway
A vehicle barrier device 10 for the temporary blocking of a roadway 12 comprises blocking elements 20, 22, 24, 25 with joined conter-elements 26, 28, 30, 31. The blocking elements 20, 22, 24, 25...
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4770495 |
Temporary roadway barrier of contrasting panel portions with reflective ridges or beads at the panel junctions
The disclosures relates to a barrier plank for a roadway having spaced triangular section ridges extending across the plank at spaced locations along the length of the plank. Each ridge provides a...
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4762439 |
Security barrier device
A security barrier device comprises a rectangular container defined by sides, ends and a base. A post is mounted in the container for pivotal movement about a transverse pin with a slot in the post...
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4762438 |
Lightweight parking curb
A lightweight, hollow, plastic parking curb is set forth which includes a plurality of downwardly directed converging chambers to receive a pile or adhesive or combination of the two for affixing...
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