发明授权
US4008722A Shaker for harvester-thresher 失效
收割机 - 脱粒机振动筛

Shaker for harvester-thresher
摘要:
A harvesting machine having a plurality of vertically reciprocal shaking elements is provided at the top of each of these elements with a distributing plate that extends the full length of the shaking elements and is pivotal about an axis on this shaking element. Each of these distributing plates is oscillated about its respective axis so as to loosen up and order the straw lying on the shaking elements and at the same time to separate grain from them. The plates have sawtoothed upper edges and may be oscillated at a rate equal to three times the vertical reciprocation rate of the shaking elements.
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