Self-propelling harvester thresher
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United States of America Patent
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-
Nov 21, 1989
Grant Date -
N/A
app pub date -
Nov 14, 1988
filing date -
Nov 17, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A self-propelling harvester thresher, particularly a caterpillar-driven small harvester thresher for rice or the like comprises a threshing and separating mechanism operating in accordance with an axial flow system, a sieve device for separating a grain-chaff mixture and having a transporting bottom, and a transporting device arranged to transport the grain-chaff mixture from the threshing and separating mechanism to the sieve device, the transporting device including a trough and at least one collecting and transferring screw which is supported in the trough and extends transversely to a travelling direction, the collecting and transferring screw having two oppositely running screw plates provided on its ends and a throwing scoop provided in its center, the collecting and transferring screw and the trough being arranged before the transporting bottom as considered in a product throughgoing direction and substantially in a same horizontal plane with the transporting bottom.
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