Abstract: A car-attack defending apparatus includes a pressure-sensitive reaction module, an emergent airbag-inflation module, a crash barrier module, and an integral exterior unit module, wherein the pressure-sensitive reaction module has a pressure-sensitive setting and triggering mechanism, the emergent inflation airbag module has an emergent airbag expansion mechanism, and the crash barrier module has a crash-resistant steel plate. The car-attack defending apparatus can be disposed at entrances of specific buildings or restricted areas, so that at the moment a suspected car ignores warning and attempts to access the site, the emergent airbag expansion mechanism will be triggered, by the weight of the car, so as to expand the airbag simultaneously, and to stretch the crash-resistant steel plate to form a barrier. As such, the suspected car can be prevented from moving further, allowing checkpoint personnel a safe standoff distance from car bombs.

Abstract: A vehicle barrier deployment system comprises a base member, at least two lifting members, at least one barrier member, and an actuation assembly. The lifting members are pivotally secured to the base member, and are operable to be selectively raised and lowered in a vertical direction relative to the base member. The at least one barrier member is in communication with the lifting members, and is configured to stop a moving vehicle when the lifting members are in a raised position. The actuation assembly is in communication with the lifting members, and is operable to selectively raise and lower the lifting members by moving at least a portion of each of the lifting members in a direction transverse to a traffic lane. The barrier member may comprise chains, a guardrail, or other structures. The system may be mobile or may be fixed (e.g., embedded in ground) in a particular location.

Abstract: A speed barrier includes a heavy lower barrier and a lighter upper gate. The barrier and gate may normally be positioned to allow or to restrict passing of vehicles. The barrier is configured to receive and survive the main impact of a vehicle attempting to ram through the speed barrier. The gate and barrier are coupled to allow an extension or a retraction of the gate and barrier in unison. The barrier and gate are supported by left and right columns, and an upper end of the gate is supported by the columns when the gate and barrier are extended.

Abstract: There is disclosed a device and associated method for impeding the motion of a land vehicle travelling along a pathway on a terrain surface. First and second supports are positioned at first and second sides of the pathway, respectively, each capable of being actuated from a compressed condition to an extended condition. A propulsion system is effective to actuate the supports. A barrier extends between the supports at a mean first height that is effective to permit passage of a vehicle when the supports are compressed and supported by each support at a mean second height effective to impede passage of the vehicle when the supports are extended. When the supports are compressed, vehicles pass over the barrier unimpeded. When the supports are extended, the barrier impedes the motion of a vehicle travelling along the pathway. At least one deceleration cable mechanically couples the barrier to a brake system.

Abstract: An elevated loading/conveyor platform includes a generally rectangular knock-over gate positioned in the load-in side opening of the platform structure, where the knock-over gate is pivotally mounted within the load-in side opening and pivotable from a vertically upright barrier position to a generally horizontal loading position. The knock-over gate is biased to the vertical position by a return mechanism, which is designed to return the knock-over gate to its upright vertical orientation when no pallets are being conveyed thereover in the generally horizontal loading position. Preferably, the return mechanism utilizes a spring mechanism (such as gas springs), where the spring mechanism is of sufficient strength to pivot the knock-over gate from the horizontal loading position to the vertical position when no weight or force is being applied to the load-in side of the gate.

Abstract: The present invention relates to an improved security control barrier for use in controlling ingress and egress to entranceways, exit ways, driveways, and parking spots. The device consists of a telescoping bollard inserted into a casing imbedded below ground and a locking mechanism for securing the telescoping bollard in the extended and retracted positions. The invention also serves as an effective anti-theft device.

Abstract: 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 by a valve to opposite ends of a double acting cylinder and piston actuator to extend and retract the barrier, there being switch control with positive positioning of the barrier and with impact absorbing protection for the hydraulics and structure.