Apparatus and method for sensing material build-up
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Mar 20, 1997
filing date -
Mar 20, 1997
priority date (Note) -
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Abstract
An apparatus and method is disclosed for sensing material build-up, such as the undesirable build-up of cotton in a mechanized cotton harvester. A tube is mounted for eccentric rotation adjacent an area where build-up occurs, such as near a doffer. The tube is biased by a spring into one position and is eccentrically rotated against the spring by forces applied to the tube by accumulating material, such as cotton. A switch is mounted within the tube, and, as the tube rotates, the state of the switch changes in accordance with the rotation. A signal generated by the switch is used to alert an operator.
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