Crop threshing or separating – With recycling of processed material – Rethreshing
Patent
1990-06-29
1991-10-01
Melius, Terry L.
Crop threshing or separating
With recycling of processed material
Rethreshing
460 76, 460 83, A01F 1218
Patent
active
050529765
ABSTRACT:
The invention relates to a threshing device for pulse crops, said threshing device being provided with a drum rotatable about its at least substantially horizontally arranged axis of rotation, the surface of said drum being provided with openings. In the interior of the drum there is arranged a main threshing means, which is rotatable about its axis of rotation extending at least substantially parallel to the axis of rotation of the drum, in such a manner that during operation parts of the main threshing means located near the drum surface of the drum move in the same direction as the adjacent part of the drum surface. The main threshing means is furthermore provided with projecting parts which, besides imparting a component of movement of the crop directed towards the interior surface of the drum, also impart a component of movement to the crop in the longitudinal direction of the drum. The main threshing means is arranged above the main threshing means, near a part of the drum surface that moves upwards during operation, while a second auxiliary threshing means is provided, at a level intermediate the longitudinal axis of the first auxiliary threshing means and the longitudinal axis of the main threshing means, whereby the second auxiliary threshing means is arranged near a part of the drum surface that moves downwards during operation.
REFERENCES:
patent: 549808 (1895-11-01), Mercer
patent: 2543537 (1951-02-01), Smith
patent: 2974467 (1961-03-01), Long
Mali-Ploeger B.V.
Melius Terry L.
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