Railcar cold formed center sill with stiffness enhancing structure
US11945476B2 · kind B2 · utility
0Cited by
16References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2022 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | May 5, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F1/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cold formed center sill configured for extending substantially the length of a railcar, wherein said center sill includes a top wall, a pair of side sections joined to the top wall by a pair of upper curved sections, bottom sections coupled to the side sections through curved connecting sections, wherein the center sill includes an upwardly extending stiffening longitudinal rib centered within the top wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.