Slackless railcar connections with upward wear indicator
US5080242A · kind A · utility
7Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1989 |
| Grant date | Jan 14, 1992 |
| Priority date | — |
| Expiry date | Dec 28, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61G9/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A slackless railcar connection system includes a gravity wedge shim that has an extension means extending upwardly from the broad edge of the shim through an opening in a railcar center sill. A reference post may also be located adjacent the opening to visibly indicate the degree of wear of the wedge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.