SIFTING DEVICE Russian patent published in 2011 - IPC B07B1/46 

FIELD: process engineering.

SUBSTANCE: invention relates to sifting device incorporated with wobbler screen to be used in mining for screening such materials as crushed stones or gravel. Sifting device incorporated with wobbler screen to be used in mining for screening such materials as crushed stones or gravel comprises sifting decks arranged at different height and guide plates arranged on sifting deck lower surface to direct sifted material onto sifting deck mounted under every sifting deck. Said plates feature various shape, i.e. flat or curved, or with guide ledges for collection and dispersing the processed material. Said guide plates are arranged on lower surface of sifting deck in turn.

EFFECT: higher sifting efficiency.

12 cl, 8 dwg