Railway coupler core structure for increased strength and fatigue life of resulting knuckle
US8662327B2 · kind B2 · utility
15Cited by
152References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2009 |
| Grant date | Mar 4, 2014 |
| Priority date | — |
| Expiry date | Aug 27, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A finger core for forming the front part of a knuckle for a railcar, said finger core comprising a single opening to form a single rib at the horizontal center line of the resulting knuckle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.