Railcar coupler knuckle cores and knuckles produced by said cores
US8695818B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2011 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Sep 29, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G3/04
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A core assembly for forming the interior spaces of a railcar coupler knuckle has a first transition section between the C-10 portion of the core and the finger portion of the core. The first transition section has a first side, a second side, a third side and a fourth side and the first and second sides form the vertical axis of the first transition section and the third and fourth sides form the horizontal axis of said first transition section. The vertical axis of the first transition section has a height along a horizontal plane of the vertical axis of at least 2.5″ and the horizontal axis of said first transition section has a width along a vertical plane of the horizontal axis of at least 0.925″.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.