MULTI-DECK SCREENING MACHINE

摘要

1. A multi-deck screening machine of the throwing-screen type comprising screening and blind decks (3) clamped in a vibrating frame (2, 5, 6) and forming a stack (1), and comprising vibration exciting means (10) arranged at the stack (1), characterized in that at least one return deck (4) for the screened material is provided, said return deck including return members (13) extending from the discharge side to the feeding side of the screen and being disposed vertically resiliently and having their ends pivotally connected to a frame.