Abstract: An interchangeable container emptying device on the side of a trash-hauling vehicle to a position adjacent support abutment means on a trash container to move open-throat portions of U-shaped members upwardly into engagement with support abutment means, elevates container, automatically blocks open-throat portions of the U-shaped members to prevent disengagement of support abutment means when container reached an arcuate turn at the top, inverts container to a dumping position, dumps container, moves container to an upright position, lowers container, and then moves container outwardly to its original position.

Abstract: An interchangeable side loader unit on a vehicle moves outwardly from the vehicle to a position adjacent support abutment means on a trash and/or refuse container to move open-throat portions of U-shaped members upwardly into engagement with support abutment means, elevates container, automatically blocks open-throat portions of the U-shaped members to prevent disengagement of support abutment means when container reaches the arcuate turn at the top, inverts container to a dumping position, dumps container, moves container to an upright position, lowers container, moves container outwardly to the original position thereof.