Patent ID: 6092668
Filing Date: 2000-07-25
Classification: A01K,B07B

Abstract:
In a mobile litter screening and separating machine for engaging and lifting litter from the floor of a poultry house, the machine having a scoop on a front portion thereof for scooping up litter, a storage compartment for receiving and storing litter collected by the scoop, and an elevating conveyor having a lower end adjacent the scoop and a higher end adjacent the storage compartment, the conveyor including a pair of parallel endless chains with a series of transverse flights affixed to the chains at close intervals along their lengths so as to provide a substantially continuous conveying surface through which fine material can fall the improvement comprisinga litter barrier disposed below the conveyor flights along an upper run of the conveyor,at least one aperture in the barrier for permitting loose litter passing through or between the flights to return to the floor of the house, andat least one trap door movably positioned beneath a respective said aperture for allowing a fraction of the fines to return to the floor, andmeans for controlling the position of the door,whereby an operator can regulate flow of fines through the trap door.