Top chord member for railway cars
US5070793A · kind A · utility
12Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1991 |
| Grant date | Dec 10, 1991 |
| Priority date | — |
| Expiry date | Jan 10, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D17/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A sidewall and top chord member for an open top gondola or hopper railway car. The top chord member is a lightweight rectangular tubular extrusion of aluminum having a pair of spaced wear pads on the top surface thereof to contact rotary or shaker type car unloading equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.