| 摘要 |
A remotely controllable grain sampling device mounted on the vertical outer wall of a grain storage bin and extending into the interior of the bin so as to extract a sample of grain to be tested, for example, for moisture content, protein content or disease. The sampler is an inclined tube having an opening and closing device on the inner end of the tube having an opening and closing device on the inner end of the tube that is operated by movement of an internal push rod that may be caused to move by the pull of a rope or cable from a convenient location. The grain sample is collected at a site convenient to the operator.
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