Railroad hopper car longitudinal door actuating mechanism
US6955126B2 · kind B2 · utility
20Cited by
19References
19Claims
0Family size
Inventor
Key dates
| Filing date | Oct 29, 2004 |
| Grant date | Oct 18, 2005 |
| Priority date | — |
| Expiry date | Oct 29, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D7/28
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An actuating system for operating longitudinal doors of a railroad hopper car. The mechanism includes an operating member which is coupled to each end of the door set of the car by a shaft and a linkage which couples a power source to the operating member, where the operating members rotate to move the doors away from the hopper. Reversing the rotation of the operating members closes the door set of the hopper. The mechanism can be used in new car construction, and can also be retrofitted onto existing hopper cars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.