Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-01-24
1995-12-05
Peng, John K.
Communications: electrical
Condition responsive indicating system
Specific condition
340615, 250223R, 2502221, 250221, 200 6121, 200 612, G08B 2100
Patent
active
054733120
ABSTRACT:
Disclosed is a full container recognition system (5) for determining when a container (16) having an upwardly facing opening is filled with articles (18) to a predetermined level. The system includes at least one deflectable feeler arm (10) mounted to a support (22) so that an outer end (32) of the feeler arm extends over the opening of the container. As articles (18) are loaded into the container (16), the articles impact the outer end (32) of the feeler arm (10) causing the feeler arm to deflect downwardly from an up position in which the feeler arm is biased. When the article (18) passes downwardly beyond the outer end (32) of the feeler arm (10), the biasing arrangement causes the feeler arm to return to the up position. However, when the depth of articles (18) in the container (16) reaches the predetermined level, an article being loaded does not pass beyond the end of the feeler arm, causing the feeler arm (10) to remain in a deflected position and thereby indicating that the container has been filled to approximately the predetermined level. A sensor (72 and 74) and timer (76) determine when the feeler arm (10) has been deflected downwardly, but has not returned to the up position within a predetermined period of time.
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Lieu Julie B.
Peng John K.
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