#$%^&*AU2018100484A420180517.pdf#####ABSTRACT A livestock feeder has a trough comprising a circular pan with a circumferential rim and a central cone； a hopper comprising a hollow upper inverted frustrum of a cone that converges to a hollow lower cylinder having a slotted lower edge configured to overlie the central cone of the trough, wherein the hollow upper inverted frustrum and the hollow lower cylinder are formed as a moulding in a plastic material； and a roof comprising a hollow frustum of a cone having a lower edge configured to overlie the upper inverted frustum of the hopper； a cylindrical skirt configured to circumferentially surround the slotted lower edge of the lower cylinder of the hopper, wherein the cylindrical skirt is adjustably vertically movable to selectively cover and open the slotted lower edge to thereby adjust flow rate of feed from the hopper to the trough； the cylindrical skirt is pivotally suspended from the lower cylinder of the hopper by circumferentially spaced apart hangers each having an upper end pivotally mounted to the lower cylinder, and a lower end pivotally mounted to the cylindrical skirt； the cylindrical skirt is adjustably vertically movable by tightening and loosening a plurality of threaded rods located around the circumference of the cylindrical skirt upon which are passed through a plurality of complementary eyebolts located upon the lower cylinder of the hopper and which are secured by a pair of adjustable nuts placed on either side of each of the eyebolts； and a deformation resilient hoop provided around an upper portion of the lower cylinder of thehopper.
