Abstract: A collapsible material collection apparatus for a container comprises a receiving funnel; a support frame; a left connection frame; a right connection frame; a connection means connecting the left connection frame to the left support frame and the right connection frame to the right support frame; a coupling means coupling the left connection frame with the right connection frame; wherein the left funnel wall is configured to be foldable inwardly with respect to the funnel floor; wherein the right funnel wall is configured to be foldable inwardly with respect to the funnel floor; and wherein the left support frame and the right support frame are configured so that the left support frame and the right support frame are retractable inwardly or expandable outwardly relative to each other.

Abstract: Apparatus for supporting a bag on and alongside a barrel wherein an upper frame attachable to the barrel holds an upper opening of the bag, a lower frame attachable to the barrel supports the bottom of the bag, and a spanner element connects the upper and lower frames.

Abstract: For use with a waste bin containing at least one bag for receiving a particular type of waste material, a bag engagement system for opening and closing the bag which includes an axially rotatable elongated gripper element for releasably gripping an edge portion of the bag, the bag being opened and closed by moving the gripper element back and forth over the opening of the bin, the gripper element capable of being locked to prevent its rotation so that the weight of the bag contents increases the grip of the gripper element on the bag edge portion.

Abstract: A refuse bag support system for sorting and storing refuse of varying types and volume in a bag-holding structure of a total volume which is substantially less than the total volume of side-by-side bags therein if all were filled to capacity, including a pair of arms holding each bag which are movable apart to widen the associated bag opening and movable together to narrow it.