Railroad freight car brake beam strut assembly and method of manufacturing same
US8602181B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 13, 2012 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jun 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49945
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method of manufacturing a railroad freight car brake beam strut assembly including the steps of: providing a railroad strut having an elongated slot defined between first and second sides of the strut, with each side of the strut defining a bore opening to the slot and to an exterior of the strut. The bores defined by the strut are aligned relative to each other along an axis. The methodology of the present disclosure further includes the step of: pressing a brake pin bushing into each bore of the strut in a direction extending away from the longitudinal axis of the strut with each brake pin bushing having first and second ends, and wherein a periphery of each bushing has a frusto-conical surface configuration. A railroad freight car strut assembly is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.