FIELD: agriculture.
SUBSTANCE: invention relates to agricultural engineering and it can be used for upgrading grain-cleaners. Adjustable screen consists of top fixed screen to which the additional movable screen is mounted below and has the same holes and possibility of cross movement by means of adjusting screws and alteration of flow section of sizing screen holes. The finishing screen has a flanged edge at a right angle. Rectangular plate type sealing parts are rigidly mounted on both sides of the flanged edge. There are holes in the points of adjusting screws in the flanged edge and plates. Screw tails fitted with special mechanism to prevent their dropout can easily go through the said holes.
EFFECT: screen design enables to save time for realignment to required hole size, which increases cleaning efficiency.
5 dwg
| Title | Year | Author | Number |
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|
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|
RU2372150C1 |
