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8118516 |
Energy absorbing system
An energy absorbing system having a stanchion, a linearly extendable energy absorber coupled to the stanchion, a net coupled to the energy absorber, wherein the net transfers force to the energy...
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8001724 |
Rotating barrier
A rotating barrier having a rotating arm assembly has at least one blocking arm which is formed at least over part of its length by a resiliently flexible core piece and is provided with an outer...
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7901155 |
Vehicle barrier
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...
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7832957 |
Removable barricade system
A removable barricade system. The system having a first sleeve to be affixed to a first bollard, a second sleeve to be affixed to a second bollard, and a barricade attached to the first and second...
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7785031 |
Energy absorbing system
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...
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7690859 |
Vehicle barrier
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...
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7472943 |
Window pane assembly and bodywork element for a vehicle
A pane arrangement for closing an opening in the outer shell of the motor vehicle, has a closed position tightly closing the opening, and an open position partially clearing the opening. A flexible...
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7384211 |
Cable crash barrier apparatus with novel cable construction and method of preventing intrusion
Cable crash barrier apparatus precludes unwanted ingress and egress and electronically monitors breaches. Substantial thickness of the cable provides mechanical integrity resistant to, for example,...
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7178790 |
Constructive arrangement feature improvement introduced in poles for the organization of lines
A stanchion has three tapes arranged in spaced relation along the upstanding post for controlling pedestrian traffic. Each stanchion/post has four guide grooves that extend the entire length of the...
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7014388 |
Anti-vehicle security system
An anti-vehicle security system that includes a truss assembly formed with a plurality of monolithic stanchions. A container having a hinged door is fixed on the truss assembly. The system also...
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6997637 |
Deceleration-limiting roadway barrier
Roadway barrier system and method are disclosed for decelerating a moving vehicle in a controlled manner and for retaining the decelerated vehicle. A net or mesh of the roadway barrier system...
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6969050 |
Weighted pulley system crowd control stanchion
A crowd control stanchions having an extendible tape in which a weighted pulley system rather than a spring mechanism is used to maintain tape tension when the tape is extended and to retract the...
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6935059 |
Crime scene fence post
A crime scene fence post having a post base and an elongated post. The top end of the post has a lead-in notch, a slit, and a slot concatenated along the longitudinal axis of the post for easy...
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6845589 |
Cable gate
A gate for controlling passage through an opening including a first support located on one side of the opening, a second support located on the other side of the opening, at least one elongate...
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6598260 |
Liquid barrier system
A liquid barrier system for protecting selected areas of flooring from liquid flow. The liquid barrier system includes a pair of end assemblies adapted for abutting a surface of a floor, and an...
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6543185 |
Revolving door
A revolving door (1) comprising at least two operating sashes (2, 3) and at least three arc-shaped side walls (4, 5, 6), arranged opposite one or several entrance passages (7, 8) or exit passages...
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6485225 |
Barrier apparatus having magnetic components
Throughway barrier apparatus comprises a pair of housings (51, 52; 151, 152) to be sited one to each side of a throughway (58). Each housing is provided with an upstanding surface (53, 54) of...
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6382869 |
Above grade mass displacement trafficway barrier
An above-grade trafficway barrier adapted to arrest heavy vehicles, with an obstruction member extending between opposite sides of the trafficway, and controlled by its known mass deposed upon the...
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6370821 |
Flexible gate
A flexible gate is disclosed which comprises a plurality of segments. The segments may be connected by at least one coupling. When the flexible gate is acted on by a force, the flexible gate may...
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6349503 |
Fluid powered barrier system
A flexible barrier system is described that can be lowered or raised from a remote location using an accompanying remote control device which is either lockable or not lockable. The motor and...
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6335074 |
Low warpage insulated panel design
A thermal insulation panel exhibits little or no warping due to temperature differences between different portions of the panel. The panel comprises insulation material and an envelope for...
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6312188 |
Non-lethal, rapidly deployed vehicle immobilizer
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...
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6279276 |
Protective assembly for loading docks
A protective system for overhead doors on loading dock platforms for use in connection with a pair of pipe bollards permanently erected at each of the sides and in front of the door. The system...
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6192627 |
Lead screw barrier system
A flexible barrier system is described that can be lowered or raised from a remote location using an accompanying remote control device which is either lockable or not lockable. The motor and...
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6135190 |
Chain barrier
A remote-controlled mechanical device is described with a winding mechanism configured for preventing backwinding. The barrier can be lowered or raised from a remote location using an accompanying...
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6062765 |
Vehicle arresting system
The present invention to provides a rapidly deployable system and method for arresting the movement of a vehicle with minimal injury to the vehicle or its occupants. The invention provides a system...
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6035921 |
Gate control apparatus
A gate control apparatus includes a gate support member, an arm pivotally mounted thereto and having gate members connected to the arm, a flexible line connected to the arm, a line takeup for...
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5871038 |
Remote controlled mechanical chain barrier
A remote-controlled mechanical locking chain gate has an electrically controlled winding mechanism with a locking device to keep the chain tight and prevent the chain from loosening when pressure...
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5829912 |
Non-lethal, rapidly deployed, vehicle immobilizer system
There is disclosed a transportable device for non-destructively impeding the motion of a land vehicle travelling along a pathway. First and second telescoping devices located on either side of the...
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5816946 |
Portable safety system for isolating on-deck batter
Portable safety system for isolating an on-deck batter during a baseball or softball game comprises one or more poles, a length of cord long enough to surround an on-deck area, structure to support...
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5752559 |
Wire gate control apparatus
A wire gate control apparatus includes a base sleeve having an aperture near the top thereof and a longitudinal slot at the bottom thereof and further having a keeper biasedly mounted at the...
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5653058 |
Railroad gate arm swivel adapter spring assembly
A railway gate arm assembly including a gate arm which is mounted to permit pivoting about a longitudinal axis when an external force is applied to the gate arm thereby causing the latter to swivel...
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5649396 |
Loading dock safety barrier
A semaphore type loading dock safety barrier for use across a vehicle passageway to prevent accidentally driving a vehicle off the end of the loading dock. A barrier mount is attached to a...
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5634738 |
Vehicle arresting system
A restraining barrier assembly is positionable across a roadway in a deployed position to define a restraining zone and may be moved vertically to a passive position. The barrier may be a...
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5624203 |
Energy absorbing barrier system with crash indication
A restraining barrier (30) is positionable across a roadway in a deployed position to define a restraining zone and may be moved vertically to a passive position by first and second transport...
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5537778 |
Security barrier apparatus
A security barrier apparatus suitable for use in residential, farm and industrial settings includes a motor, a chain and a brake mechanism for engaging the chain. The apparatus is mounted to a...
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5517787 |
Removable entranceway puzzle gate
A removable barrier gate to block a driveway or doorway, that has at least two crossmembers that attach to either side of the opening, and a linking member that connects the inner ends of the...
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5501429 |
Partition pole system
A partition pole system for guiding visitors in public spaces, buildings, or the like has a plurality of spaced partition poles each composed of a base and a hollow pole mounted on the base, and a...
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5459963 |
Safety gate for loading docks
A barrier for a loading dock having an opening in a wall having a dock leveler positioned in a floor of the loading dock adjacent said opening. The dock leveler has a horizontal position where...
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5245787 |
Cable gate apparatus
A cable gate is arranged to include a plurality of spaced housings, with the first housing including a lift arm, the lift arm providing guidance for a gate cable directed therethrough, with the...
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5050846 |
Adjustable length, non-mechanized pedestrian traffic barrier system
The present invention relates to a pedestrian traffic barrier system having an elongated strip of flexible material. A first end portion of the flexible material is engaged with a first stationary...
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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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4844420 |
Retractable crowd control barrier
A retractable crowd control barrier is provided and consists of a housing carried on any type of post member in which an elongated tape is conveniently stored within the housing on a forward wound...
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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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RE32934 |
Flexible barrier holding and manipulating mechanism
A flexible barrier element for a passageway defined by two spaced posts is held in a raised taut position to block the passageway by placement of a hand lever having a lost motion connection with...
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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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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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4756206 |
Window/door stabilizing apparatus
An improved stabilizer for a window or door which a stabilizing element with two screwing holes thereon and extending two separate insert legs which are approximately perpendicular to the...
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4739955 |
Aircraft cabin panel and insulation retainer with integrated use as a spacer-isolator
A mounting assembly for the insulation and interior panels of an aircraft. The mounting assembly includes an upper retainer for securing the upper edge of the cabin panel to the aircraft, and a...
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4658544 |
Door assembly
A door construction includes first and second panels which are thermally bonded together at their peripheral edges. A hinge receiving pocket is defined between these panels. A door supporting hinge...
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