Crop harvester having conditioning zone provided with enlarged end regions
US4821494A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1988 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Jan 22, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S56/01
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A crop conditioning unit in a crop harvesting machine, such as a mower conditioner, has conditioning rolls configured to define a non-uniform crop conditioning zone which tapers or flares outwardly at opposite end regions thereof to a cross-sectional size greater than the generally uniform cross-sectional size of the remainder of the zone. Tapered end segments of the conditioning ribs on at least one of the rolls provide areas of relief at the opposite ends of the conditioning rolls which define the flared end regions of the non-uniform conditioning zone and accommodate passage of a correspondingly shaped crop layer through the zone without causing uneven loading of the rolls. As a result, uniform conditioning of the non-uniform crop layer can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.