| 摘要 |
FIELD: agricultural engineering, in particular, equipment used in apparatus for cleaning of perennial grass seeds and seeds of other crops. SUBSTANCE: feeder has rectangular feeding chamber and blade type roll arranged under feeding chamber and mounted inside case equipped with discharge window. Feeding chamber is installed in vertical position. Feeding chamber walls define rectangular branch pipe widening downward. Section of feeding chamber lower part do not exceed length and outer diameter of roll. Roll grooves define feeding chamber bottom. Widened lower part of feeding chamber prevents sticking of basic material. EFFECT: increased efficiency and simplified construction. 2 dwg
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