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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 ...
Hybrid energy absorbing reusable terminal
(United States. Patent and Trademark Office, 2007-07-24)
An energy absorbing terminal is described that is made up of a plurality of cells partially defined by cambered panels made of thermoplastic or another suitable material. The panels are supported upon rectangular frames. ...
Hybrid energy absorbing reusable terminal
(United States. Patent and Trademark Office, 2006-09-26)
An energy absorbing terminal is described that is made up of a plurality of cells partially defined by cambered panels made of thermoplastic or another suitable material. The panels are supported upon rectangular frames. ...
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 ...
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 ...