The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
Mar. 21, 2012
Dallas Rex James, Auckland, NZ;
Dallas Rex James, Auckland, NZ;
Valmont Highway Technology Limited, Auckland, NZ;
Abstract
A guardrail or other energy absorbing apparatus includes a plurality of terminal end rails extending longitudinally extend between a plurality of support posts, wherein a first four of said plurality of rails (labelled-below) situated at a terminal end of a guardrail, or impact end of an energy absorbing apparatus; are connected to one another at respective downstream and upstream ends via: an impact slider assembly joined to a downstream portion of terminal rail, and surrounding a downstream portion of terminal railand an upstream portion of an adjacent rail; a first set of frangible bolts which are the sole bolts connecting railand adjacent railtogether; and a second set of frangible bolts which connect railand adjacent railtogether, wherein at least one standard post bolt connects the railsandto a post at this joint.