Railway boxcar door operating unit
US6572082B1 · kind B1 · utility
8Cited by
18References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2001 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Nov 27, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D19/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A door operating apparatus is provided for safely and efficiently opening and/or closing a side door of a railway boxcar by moving a door engagement member laterally.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.