Textured auger trough element for a tailings conveyor of an agricultural combine
US7207882B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2004 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jan 19, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/52
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A textured trough element including a concave surface having a curved profile when viewed from a longitudinal end thereof of marginally larger diametrical extent than the circular cross section of a helical tailings auger. The trough element is positionable in a bottom portion of an auger trough with the concave surface facing and extending partially around a bottom portion of the helical radial outer periphery of the auger such that the auger will convey the tailings on and along the concave surface. The concave surface has a sufficiently rough surface texture for causing tumbling and rolling of at least a substantial portion of the tailings conveyed thereover, for loosening and releasing at least some of any grain partially or fully contained in elements of the tailings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.