Pick-up sweeper of the type with elevating conveyor with dirt distributing device in the dirt collecting receptacle

In a pick-up sweeper comprising at least one rotary brush for sweeping and collecting dirt on the ground, a dirt receptacle, an elevating conveyor having a lower input end associated with said rotary brush for receiving dirt collected thereby and an upper output end associated with said receptacle for discharging said dirt by gravity into said receptacle, and distributing means adjacent the upper output end of said elevating conveyor for evenly distributing said dirt into said receptacle, the improvement comprising said distributing means comprising a rotary disk located below the upper output end of said conveyor and having a substantially vertical axis of rotation, and driving means connected to said rotary disk for rotating same, said driving means including means for reversing the direction of rotation of the disk, and said disk is mounted on a support which is pivotably mounted about a horizontal axis perpendicular to the longitudinal direction of the pick-up sweeper, and actuating means connected to said support for causing said support and said disk to pivot about said horizontal axis.