Patent ID: 6843376
Filing Date: 2005-01-18
Classification: B07B

Abstract:
1. A mobile screening unit for screening bulk material, said screening unit comprising: an elongated mobile support frame having a longitudinal axis; a first screener mounted to the support frame and extending longitudinally thereon, the first screener having: a second screener mounted to the support frame and extending longitudinally thereon, the second screener having: a feeding hopper mounted to the support frame for accumulating bulk material, the feeding hopper having an inlet for receiving bulk material and an outlet for releasing bulk material; a feeding conveyor positioned to receive the bulk material released from the outlet of the feeding hopper and convey the same in the first direction to the inlet of the first screener; and a transition conveyor mounted to the support frame and extending longitudinally thereon, the transition conveyor being positioned to receive the medium-sized and small-sized particles released from the second outlet of the first screener and convey the same in the second direction to the inlet of the second screener.