Lightweight, fatigue resistant knuckle
US9199652B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | May 25, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G3/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railway vehicle coupler knuckle for coupling a rail car, the knuckle being constructed having an improved configuration to provide a lightweight knuckle that has the same, and preferably improved, strength and resistance to fatigue as prior knuckles of greater weight, or being constructed from material and/or combinations of configurations and materials that facilitate a stronger and more fatigue resistant construction, a lightweight construction, or combinations of these properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.