Railway rail fastening clip and pad for recessed railseats
US9562330B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2013 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Nov 10, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B9/685
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A resilient railway rail fastening clip (3) has successive first to seventh portions (31 to 37), where in a non-operative configuration, the first and seventh portions (31, 37) form leg portions lying in a first plane (P), the second and sixth portions extend substantially away from and above the first plane (P), at least parts of the third and fifth portions (33, 35) extend towards and above the first plane (P) with their longitudinal axes lying substantially in a second plane (R) that intersects the first plane (P) at a first acute angle α, and the fourth portion (34) extends substantially in or below the first plane (P) with its longitudinal axis lying substantially in a third plane (Q) that intersects the first plane (P) at a second acute angle β, where 0°<β<α.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.