Agricultural chopper with linked counter knives and shear bar
US10111384B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2015 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Dec 27, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F29/095
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural harvester includes a chassis; a threshing and separating assembly carried by the chassis; and a chopper assembly carried by the chassis that receives crop material from the threshing and separating assembly. The chopper assembly includes at least one movable chopping knife; a plurality of counter knives movable between a first knife position and a second knife position, the plurality of counter knives configured to cooperate with the at least one chopping knife to cut crop material when in the first knife position; a shear bar movable between a first bar position and a second bar position; and a linkage assembly connected to the plurality of counter knives and the shear bar such that the linkage assembly is selectively actuable to simultaneously move the plurality of counter knives and the shear bar between their respective first and second positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.