Fifth wheel coupler safety control system
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Mar 24, 2015
filing date -
Mar 24, 2014
priority date (Note) -
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Abstract
A trailer hitch arrangement control system including a trailer sensor for sensing the position of a trailer relative to a trailer hitch assembly, a lock sensor for sensing the position of a locking mechanism, a control valve in fluid communication with a brake assembly of a trailer and operable between closed and open positions, wherein the brake assembly is engaged and disengaged, respectively, and wherein the brake assembly is positively biased toward the engaged position, and a controller coupled to the trailer sensor, the lock sensor and the control valve for determining whether the trailer hitch assembly is properly coupled to the hitch and generating a control signal to the control valve to actuate the control valve from the open position to the closed position when the trailer hitch assembly is improperly coupled to the hitch, such that the brake assembly remains in the engaged position.
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