Railway truck with bearing adapter
US7926428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2008 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Jul 8, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61F5/305
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railway car truck is provided that includes two sideframes and a bolster. Each sideframe has a pedestal opening at each end to receive a bearing adapter assembly. The pedestal opening is formed by a roof section that includes a pad receiving opening. The bearing adapter assembly includes a cast steel bearing adapter that is formed to fit on top of a bearing assembly. An adapter pad, comprised of a selected hardness elastomer, is fit on top of the bearing adapter. The adapter pad includes a base section and a raised top section that is fit within the pad receiving opening in the pedestal roof section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.