Patent attributes
An apparatus for processing aggregate material comprising an inclined trough having a pair of shafts rotatably mounted therein, the shafts having staggered blades arranged pass between one another during rotation of the shafts and angled to carry material towards an upper end of the trough, excess water and any floating trash passing over a weir adjacent a lower end of the trough onto the deck of a first vibratory screen, and a second vibatory screen being mounted adjacent the upper end of the trough for receiving particulate material from the upper end of the trough, the second vibratory screen having at least one deck for grading the material, wherein water collected in a sump of the first vibratory screen is arranged to pass into a sump of the second vibratory screen.