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Now showing items 21-30 of 34
Slot guard for slotted rail terminal
(United States. Patent and Trademark Office, 2002-08-20)
Slot guards for a slotted rail terminals are described having a central section and a pair of wing portions that are angularly disposed with respect to the central portion. The wing portions are folded away from the plane ...
Steel yielding guardrail support post
(United States. Patent and Trademark Office, 2005-06-07)
A guardrail support post includes a continuous structural member having a top edge, a bottom edge, and a generally uniform cross section from the top edge to the bottom edge. The structural member includes first and second ...
Cable guardrail release system
(United States. Patent and Trademark Office, 2005-08-23)
A cable guardrail release system includes a first number of anchor posts installed adjacent a roadway. Each of the first number of anchor posts secures an end of a respective cable. Each anchor post is operable to release ...
Locking hook bolt and method for using same
(United States. Patent and Trademark Office, 2005-09-27)
A locking hook bolt, which may be used for securing cable to support posts in guardrail assemblies, and a method for using the same are provided. The locking hook bolt includes a first leg, a second leg, and an arcuate ...
Energy absorbing device having notches and pre-bent sections
(United States. Patent and Trademark Office, 2008-06-24)
According to one embodiment of the invention, an energy-absorbing device includes a section of material having a plurality of crush zones along a longitudinal length thereof, a first crush zone of the plurality of crush ...
Advanced dynamic impact extension module
(United States. Patent and Trademark Office, 1989-04-18)
An advanced dynamic impact extension module, used to protect occupants of vehicles from the adverse effects of instantaneous deacceleration of a vehicle when the vehicle impacts an end of a concrete barrier wall is disclosed. ...
Guardrail safety system for dissipating energy to decelerate the impacting vehicle
(United States. Patent and Trademark Office, 2010-04-13)
In accordance with a particular embodiment of the present invention, an end treatment of a guardrail safety system includes a terminal portion of a guardrail beam that has a downstream end and an upstream end. The terminal ...
Guardrail extruder terminal
(United States. Patent and Trademark Office, 1990-05-29)
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 chute is provided with ...
Safety end barrier for concrete road barriers
(United States. Patent and Trademark Office, 1994-03-22)
A safety end barrier for use in coordination with roadside barriers. The safety end barrier lies substantially parallel to the direction of traffic flow and increases in height from about natural ground level at its lower ...
Barrel crash cushions
(United States. Patent and Trademark Office, 2000-10-03)
Apparatus and methods are described relating to barrel crash cushions which readily collapse when impacted from a substantially end-on direction, and are more capable than conventional designs of substantially redirecting ...