US PATENT SUBCLASS 460 / 5
.~.~ By detector at sieve or screen or grain pan

Current as of: June, 1999
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460 /   HD   CROP THRESHING OR SEPARATING

1  DF  MEANS RESPONSIVE TO A SENSED CONDITION {4}
4  DF  .~ Grain loss {1}
5.~.~ By detector at sieve or screen or grain pan

DEFINITION

Classification: 460/5

By detector at sieve or screen or grain pan:

(under subclass 4) Subject matter having a sensor (e.g., diaphragm) at or near the sieve, screen or grain pan for determining the amount of grain passing at the specified location.

(1) Note. The sensor distinguishes the frequency of the grain hitting the diaphragm from the frequency of unwanted product e.g., chaff.