Coupler knuckle, cores and method of production
US10906568B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2019 |
| Grant date | Feb 2, 2021 |
| Priority date | — |
| Expiry date | Jul 26, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22C9/22
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An improved method of production of a coupler knuckle, a core assembly for production of a coupler knuckle, and coupler knuckle having an improved interior configuration for handling forces imparted on the knuckle and transferring said imparted forces through the knuckle and improving handling of linear force loads and their transmission. The knuckle interior has a force handling structure that includes spaced apart layers and cavities, with a cavity extending between the nose section and the tail section thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.