Drop delivery chute

A drop delivery chute comprising a duct which itself comprises a continuous trough sectioned body having an open face, and a plurality of cover elements each adapted to span the open face to constitute a respective part of a closure wall of the duct, and means to secure the cover elements to the body, which means permit the respective cover elements to be secured at any position along the length of the body as needed to form the closure wall;

• wherein each of a plurality of duct access openings in the closure wall is constituted by a gap between neighbouring spaced apart cover elements, and at least two inlet structures supporting the duct, each inlet structure being adapted to be fixedly mounted to a building floor and comprising means defining an intake opening and an inclined race extending from the intake opening to a corresponding duct access opening and wherein the spacing between neighboring duct access openings is established so as to bring each access opening into register with the race of a corresponding said inlet structure by means of a cover sheet in overlapping relationship with a said cover element which permits stepless adjustment in the longitudinal direction of the positioning of said duct access openings.