| 摘要 |
A system for cleaning large areas such as baseball parks and football stadiums and picnic areas and zoos, including a truck having a chassis, a refuse compactor mounted on the chassis for packing refuse into a small volume therein, a blower mounted on said chassis and constructed and arranged to draw air and entrained refuse into an inlet for the blower and to blow the refuse from the blower into the compactor, a substantial length of flexible hose having one end thereof connected to the inlet to the blower and a pickup nozzle connected to the other end of said hose, the pickup nozzle having an inlet end with an opening therein substantially greater in area than the internal area of the hose, the blower creating a stream of air entering the inlet end of the nozzle and carrying refuse therewith and along the hose and through the blower and into the compactor thereby rapidly to clean refuse from large areas and to compact the refuse into a small volume in the compactor.
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