GRAIN AND FERTILIZER COLLECTORABSTRACT OF THE DISCLOSUREDisclosed is a particulate vacuum collector devicecomprising a generally closed housing including a bottomportion, particulate material and air inlet means andair outlet means, the inlet means and air exhaust meansbeing above the bottom portion and the air outlet meansbeing adapted to be connected with air suction generatingmeans. Means within the housing screen air flow between theinlet means and the air outlet means while particulatematerial gravity falls to the bottom portion. Particulatematerial outlet means is separate from the inlet means andis associated with the bottom portion of the collector.Means are provided for conveying material from the bottomportion to a material outlet means, the material outletmeans including means which prevents air from enteringthe housing during start-up operation of the device andwhich, in conjunction with some material being conveyedto the outlet means for discharge outside the device,creates an air lock to substantially prevent air enteringthe housing through the material outlet means whilematerial is being collected and discharged.
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