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Now showing items 1-10 of 13
Cable release anchor
(United States. Patent and Trademark Office, 2004-05-04)
A cable release anchor having an improved breakaway post design with a cable release feature. The cable release anchor includes upper and lower anchor portions that are readily separable from one another during an impact. ...
Box beam terminals
(United States. Patent and Trademark Office, 2008-02-05)
Guardrail installation designs are described that incorporate a box beam rail as the structural rail member. The box beam rail member may have an open cross-section or a closed cross-section. An impact head is provided to ...
Box beam terminals
(United States. Patent and Trademark Office, 2007-03-06)
Guardrail installation designs are described that incorporate a box beam rail as the structural rail member. The box beam rail member may have an open cross-section or a closed cross-section. An impact head is provided to ...
Cable anchor bracket
(United States. Patent and Trademark Office, 2007-07-17)
According to one embodiment, a cable anchor system for an end terminal includes a cable anchor bracket configured to couple to a guardrail, in which the cable anchor bracket includes a flat plate having an aperture formed ...
Apparatus and methods for strengthening guardrail installations
(United States. Patent and Trademark Office, 2003-06-10)
Devices and methods for strengthening the upper portions of the support posts for guardrails and guardrail end treatments against the forces that are imparted to the post during an impact. The upper portions of support ...
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 ...