| 摘要 |
A frame (12) with a charging chamber (14) for receiving a load of waste material, a platen (20) that moves in the charging chamber to compact the material load, and one or more wheels (44) rotatably coupled to the platen. The charging chamber (14) has a floor (34), the platen (20) has a bottom (32) that slidably contacts the floor and supports enough of the weight of the platen on the floor that none or little of the material can pass under the platen, and the wheels (44) support a substantial portion of the weight of the platen on the floor to mitigate sliding friction. The wheels (44) are made of a resilient material and deform from an unloaded state to a loaded state when supporting the substantial portion of the weight of the platen (20).
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