Side contoured open top hopper railcar with biased door seal and enlarged contoured end door
US8640631B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2012 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Jul 20, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61D17/08
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A railroad open top hopper car comprises a pair of spaced trucks supporting a railcar body, the body comprising a pair of side structures railcar, wherein each including (i) a top chord extending the side structure length, (ii) a plurality of upper side stakes extending from the top chord, (iii) an intermediate side chord extending the side structure length and below the top chord and coupled to the upper side stakes, (iv) a plurality of lower side stakes extending from the intermediate side chord, and (v) a side sill extending the length and below the intermediate side chord and coupled to the lower side stakes. The body forms discharge chutes forming pockets for the body with a plurality of intermediate doors and end doors, wherein the end doors are larger than the intermediate doors. Each door may include a biased door seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.