Railway coupler body improvements to improve knuckle rotation
US8746473B2 · kind B2 · utility
6Cited by
145References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2009 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Jul 7, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G3/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved coupler body having an area of increased material in the upper lock chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.