Combine harvester
AssigneeInstitute of Agricultural Machinery
InventorsTomohiko Ichikawa, Takao Sugiyama, Masao Manaka
Life of this patent
Estimating the term…
Abstract
A combine harvester having a cutting device provided in a front portion of the combine harvester, a conveying device for conveying the cut crops, a threshing device for threshing the conveyed crops, and a separating device for separating the threshed crops. The threshing device comprises a threshing auger oriented in the traveling direction of the harvester, and a concave sieve provided around a lower portion of the auger. The separating device comprises two separating augers arranged parallel with the threshing auger at a position under the concave sieve, and a sieve provided under the separating auger.
Claims8
In a combine harvester of the type having a cutting device provided in a front portion of the combine harvester, a conveying device for conveying the cut crops, a threshing auger for threshing the conveyed crops, and a separating device for separating the threshed crops, the improvement comprising:
- said threshing auger comprising a cylindrical drum oriented in the travelling direction of the combine harvester, and a helical threshing vane on the drum;
- a concave sieve adjacent a lower portion of said auger;
- a cover above the auger;
- said separating device comprising at least one separating auger arranged parallel with said threshing auger at a position under said concave sieve, and at least one sieve under the separating auger;
- a transfer means under said separating device for transferring sorted crops;
- a plurality of radial threshing teeth on said drum;
- at least one agitator between adjacent portions of said vane;
- and
- a plurality of radial agitating rods on said separating auger.
Dependencies are inferred from the claim text.