Conditioner rolls having tread pattern coordinated with cutterbar crop discharge pattern
US8056310B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2009 |
| Grant date | Nov 15, 2011 |
| Priority date | — |
| Expiry date | Feb 16, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D82/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A conditioner roll tread pattern comprising a plurality of equally circumferentially spaced ribs separated by grooves extending across the axial length of the conditioner roll. The ribs are angled relative to the axial centerline, either with a fixed positive/negative angle or a continuously varying angle alternating between positive and negative extremes. The conditioner roll is configured to work in conjunction with a paralley disposed roll of similar tread pattern configuration, reversed end-for-end so that the ribs of one roll intermesh with the grooves of the adjacent roll. The location of the transition points at which the angle reverses along the axial length are coordinated with the transverse locations of converging and diverging crop flows being discharged from a forwardly disposed rotary disc cutterbar in a manner that results in a crop mat having more uniform thickness being discharged from the conditioner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.