Unit for actuating gates of a hopper railroad car
US5163372A · kind A · utility
29Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1991 |
| Grant date | Nov 17, 1992 |
| Priority date | — |
| Expiry date | Oct 30, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D7/28
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
One double acting cylinder is attached to the doors of a gate assembly via a linkage. A lock out system cooperates with the linkage whereby different parts of the linkage may be immobilized prior to the beginning of a work cycle. The work performed by the double acting cylinder thus passes through the free parts of the linkage to actuate one door or the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.