Fabricated frame for railway truck
US9434395B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Jan 16, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F3/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A frame for use with a railway truck having a plurality of support springs is provided. The frame may have a bottom section with a plurality of first openings configured to receive the plurality of support springs, and a middle section welded to the bottom section. The frame may also have a top section spaced apart from the bottom section and welded to the middle section. The top section may have a plurality of second openings configured to register with the plurality of first openings in the bottom section, and a plurality of protrusions extending away from the middle section at the plurality of second openings to enclose exposed ends of the plurality of support springs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.