Positive operating combine unloader discharge door arrangement
US7584836B2 · kind B2 · utility
12Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2006 |
| Grant date | Sep 8, 2009 |
| Priority date | — |
| Expiry date | Jan 2, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D41/1217
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A positive operating combine unloading discharge door which operates independent of the presence of grain in the unloading tube and is attached to the unloading tube to minimize opposition and obstruction to grain flow and completely cover the open end of the unloading tube when the unloading cycle is complete to minimize or eliminate grain loss due to grain dribble.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.