Search
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 ...
Yielding post guardrail safety system incorporating thrie beam guardrail elements
(United States. Patent and Trademark Office, 2013-08-06)
A guardrail safety system includes a guardrail beam operable to contain and redirect an errant vehicle to prevent the vehicle from leaving a roadway. At least a portion of the guardrail beam includes a thrie beam. A support ...
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 ...
Tension guardrail terminal
(United States. Patent and Trademark Office, 2014-11-11)
A terminal portion of a guardrail safety system includes a terminal portion of a guardrail beam having a downstream end and upstream end. The terminal portion of the guardrail beam slopes from a height appropriate for ...
Tension guardrail terminal
(United States. Patent and Trademark Office, 2011-02-08)
A terminal portion of a guardrail safety system includes a terminal portion of a guardrail beam having a downstream end and upstream end. The terminal portion of the guardrail beam slopes from a height appropriate for ...
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 ...