DEVICE FOR SEPARATING FEATHER-AND-DOWN RAW MATERIALS Russian patent published in 1995 - IPC

FIELD: mechanical removal of impurities. SUBSTANCE: device has bin 1 with loading man-hole coverable with cover 3. Hinged cover 4 with rotatable fixing members 5 is in the lower part of bin 1. There are slits 6 directed along the generatrix of bin 1 in cover 4. Splitters in the form of jalousie 7 are mounted above slits 6. Shaft of cultivator 8 connected with reversible motor 9 by means of belt transmission is located in bin 1. Bin 1 is connected with bin 11 for containing middle-size feather fraction by means of labyrinth 10. Bin 1 has two sections with hinged hatch 12 between them. The upper section has cultivator shaft with blades 13. Controlling sides of push-pull rod 14 and bin 15 containing down connected with exhaust hole 16 are upper part of labyrinths. The bins are connected with dispense chamber by means of down-and-air ducts. Exhaust hole 16 is connected with exhaust fan and is also connected with dispense chamber by another air duct. The air ducts have slides for controlling draught. EFFECT: enhanced effectiveness in separating feathers from down. 2 dwg