| 摘要 |
The present invention provides an improved chopper for use with a harvester-thresher having a straw and chaff spreader for delivering a portion of the chopped straw rearwards to the ground and for delivering a portion of the chopped straw to a Kirby type or similar straw and chaff spreader. The chopper comprises a chopper housing, a knife bar, a flail, a drive means, a plurality of first outlets arranged in the bottom wall of the chopper for communication of a first portion of the chopped waste material to the spreader, and a second outlet arranged rearward of the plurality of first outlets for the communication of a second portion of the chopped waste material to the ground, said second outlet having straw deflectors on a rear deck for direction of said material.
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