Transmission chain monitoring system
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United States of America Patent
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Dec 22, 2009
Grant Date -
Sep 4, 2008
app pub date -
Jun 28, 2006
filing date -
Jul 23, 2005
priority date (Note) -
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Abstract
A transmission chain comprises has a data collection device mounted on at least one of the links. A strain gauge sensor is mounted on the inwardly facing surface of an outer link plate symmetrically about a centre link thereof and measures the strain on the link plate. The measurements are compared to a threshold and a visual indicator mounted on the chain is activated if the threshold is exceeded. The data collection device can be controlled by a first controller device that simply switches it between a quiescent state to an overload detecting state or a second controller type can be used for data-logging and analysis.
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