TOOTHED THRESHING-SEPARATING APPARATUS Russian patent published in 1996 - IPC

FIELD: agricultural engineering. SUBSTANCE: threshing-separating unit has screen positioned between toothed drum and deck embracing toothed drum. Screen has three-or four link mechanism. Deck formed by rocker arm or connecting rod is built in apparatus so that kinematic pair adjacent to deck inlet end is positioned below first row of teeth and other pair is connected with crank of three-or four link mechanism. Screen adjustment mechanism is controlled from operator's seat. EFFECT: reduced grain damage and loss by maintaining constant apparatus parameters in accordance with state and kind of crop to be harvested, increased precision and time of adjustment for optimum operating mode. 3 dwg