Combined concave and rock door structure
US4484588A · kind A · utility
11Cited by
10References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1984 |
| Grant date | Nov 27, 1984 |
| Priority date | — |
| Expiry date | Mar 26, 2004 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01F12/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A combined concave and rock door structure is provided for an agricultural harvester wherein the rock door and the arms supporting the concave are pivotally mounted on the same transverse axis by a pair of pivot support structures. A control mechanism is provided for adjusting the threshing clearance of the concave and the concave is adjustable to maintain concentricity with the threshing rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.