Roadway guardrail system
US8353499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2007 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Aug 21, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F15/0461
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roadway guardrail system including a rail, a plurality of support posts, and a plurality of fasteners assembly to redirect an impacting vehicle and dissipate a portion of the impacting vehicle's energy. A plurality of support posts each includes a slot extending along its length aligning with apertures in the rail and engaging with the rail through the apertures with fasteners including reinforcing members slidable along the slots in the posts. Alternatively, the rail has a plurality of laterally extending slots aligning with apertures in support posts and engaging with the support posts through the apertures with fasteners including reinforcing members slidable along the slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.