Combine harvester
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 3, 1998
Grant Date -
N/A
app pub date -
Jun 27, 1996
filing date -
Jun 28, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automotive combine has a frame adapted to move in a travel direction along the ground, a front housing pivotal on the frame, a cutter on the front housing for cutting standing crop, and a main thresher on the front housing having a front intake and a rear output for taking in the cut standing crop at the intake, threshing it, and ejecting it at the output as a chaff/grain stream and a separate chaff stream. A pair of separate conveyors on the frame each have an intake at the rear output for receiving the chaff/grain stream and a respective output for ejecting respective portions of the chaff/grain stream. One of the conveyor outputs is vertically spaced above the other conveyor output. An upper sieve at the one conveyor output and a separate lower sieve at the other conveyor output receive the respective portions of the chaff/grain stream and separate kernels from chaff therein. The kernels are moved from the sieves to a grain bin on the frame while the chaff is blown out onto the ground outside the combine.
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Cited Art Landscape
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