Improvements in or relating to Cleaning devices for Threshing and the like Machines

摘要: 1,181,282. Rotary sieving apparatus. MASSEY-FERGUSON G.m.b.H. 10 May, 1968 [19 1967], No. 23376/67. Heading B2H. A rotary grain cleaning and separating apparatus for use in a combine harvester comprises hollow circular screen 5, inlet 8 communicating with the interior of screen, an outlet spaced axially from inlet, guide means 6 mounted on inner peripheral surface to urge towards during rotation air 9 whereby may be directed blower 16 direction outlet. The is form spiral member supported by rods or bars 7. grid formed extending provided at end its effective length determined position slidable cover 11 which chaff foreign material provided. driven sprocket 12 engaging chain 13 surrounding two rows rollers, one shown 14, disposed screen. brush 17 effects continuous housing 18 having walls 19 converging downwardly trough 20 screw conveyor 21 carries falling into 22. cylindrical, frusto-conical partly cylindrical frusto-conical. In operation, entering thrown centrifugal force against conveyed 6. falls through 20, while other light are blown carried out 11. At clean 20.