This machine removes yard waste from bags and sorts the waste from the bags. Bags dropped into a hopper have offset slashes cut in opposite sides by blades mounted upon two rotary shafts. The blades are widely spaced so no small bag pieces can result to permit a later sorting process. The blades are pivoted to minimize solid tramp waste damage, and are mounted in opposing pairs for balance. One shaft has two and the other has three blade pairs for the offset opposed cuts. Guards, extending inward from opposed parallel hopper sides enclose each shaft and direct the bags between them. Slots through the guards in the blade paths permit the blades to pass through. Flexible wipers between backing plates extend inward from both sides of the slots parallel to the blade paths to bear against the blades. The blades cuts bag material against the wipers rather than carry it through to the shafts. The cut bags fall onto a conveyor which carries them to the top of an inclined vibrating screen. The screen is sized to pass yard waste but not bags, bag parts or tramp material. Conveyors under the screen carry the yard waste away for disposal. A blower over the low screen end blows the bags and bag parts off the screen. Tramp material is vibrated off the low screen end for separate disposal.
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