Patent ID: 7527153

Claim:
A vibratory separator system comprising: at least one trough having an inlet end, a downstream, outlet end and a trough floor; a first screen section supported in the at least one trough spaced from the trough floor, the first screen section having an upstream end and a downstream end; a second screen section supported in the at least one trough spaced from the trough floor, the second screen section having an upstream end and a downstream end, the upstream end of the second screen section being disposed at a lower elevation than the downstream end of the first screen section; a plurality of cantilevered arms, each disposed with an upstream end adjacent the downstream end of the first screen section, each having an unsupported downstream end disposed at a higher elevation than the upstream end to define an upwardly-directed angle relative to the first screen section to limit the movement of material across the first screen section, the angle formed between the first screen section and the cantilevered arm being an obtuse angle, and each spaced so as to define passages between adjacent arms in a direction perpendicular to a direction of motion of the material in the at least one trough between the inlet and outlet ends; and a vibratory generator coupled to the at least one trough.