Stalk roll with flutes defining a recess
US9560804B1 · kind B1 · utility
24Cited by
52References
16Claims
0Family size
Inventor
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D45/021
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
One embodiment of a stalk roll to be mounted upon a stalk roll drive shaft of a corn harvesting header comprises a cylindrical shell with a recess in the main cylinder, wherein reduced flutes are not present in the recess, but full flutes are present therein. This embodiment includes a stalk slot having a length equal to the length of the recess. Additionally, the flutes may be configured such that a stalk engagement gap is present at least once during a full revolution of two opposing stalk rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.