Underframe end structure without bolster beam for rail vehicle
US11964679B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2019 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Feb 20, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F1/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An underframe end structure without a bolster beam for a rail vehicle, including an underframe end beam, an underframe edge beam, a coupler mounting base, coupler support beams, and oblique support beams, where the front of the coupler mounting base is connected to the underframe end beam through the oblique support beams, two sides of the coupler mounting base are connected to the underframe edge beam through the coupler support beams, so that quadrilateral frame structures are respectively formed on the two sides of the coupler mounting base, the oblique support beams form an included angle of 55° to 80° with a forward opening, and the coupler support beams form an included angle of 120° to 140° with a backward opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.