Fifth wheel coupling detection system with inspection and indication lighting arrangement
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United States of America Patent
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Aug 1, 2017
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N/A
app pub date -
Apr 15, 2016
filing date -
May 20, 2015
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Abstract
A system for monitoring a trailer hitch assembly includes a first sensor sensing the position of a kingpin of a trailer relative to a throat of a hitch plate, a second sensor sensing a position of the locking mechanism movable between locked and unlocked positions, a control circuit coupled with the first sensor and determining whether the first sensor indicates a proper location of the kingpin relative to the throat and whether the second sensor indicates that the locking mechanism is in the locked position, and a light source proximate the throat of the kingpin and activated when the control circuit determines that the kingpin is properly located and that the locking mechanism is in the locked position, such that the light source illuminates the throat and the kingpin assisting visual inspection of the position of the kingpin relative to the throat.
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