Measuring and testing – Measuring vessel
Patent
1978-12-05
1979-12-25
Woodiel, Donald O.
Measuring and testing
Measuring vessel
G01N 112
Patent
active
041799305
ABSTRACT:
A long tube serves both as a handle for the probe and a means by which a grain sample can be collected at the lower end of the tube just above the penetrating nose thereof. A laterally disposed port in the tube above the nose provides an entry way for grain into the interior chamber of the tube during taking of the sample, and opening and closing of such port is controlled by a free-sliding sleeve that, when disposed against an upper stop, closes the port and when disposed against a lower stop, opens the port. When the probe is shoved nose-first down into the grain supply, the resistance of the grain surrounding the probe immediately slides the sleeve up against the upper stop so as to maintain the port closed until the probe reaches the desired testing depth, whereupon a slight upward jerk on the probe will cause the grain to shove the sleeve down against the lower stop and thereby open the port and permit a sample of grain to enter the same. After complete removal of the probe from the grain supply, the probe may be inverted so as to pour the sample out of the open end of the probe into an awaiting receptacle.
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