Sway control device for trailers
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United States of America Patent
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Oct 11, 2011
Grant Date -
Mar 4, 2010
app pub date -
Aug 10, 2006
filing date -
Aug 10, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A new apparatus for reducing sway of a trailer towed by a towing vehicle has a draw bar for linking a trailer to a vehicle, a ball for hitching the trailer to the draw bar, and a pin for hitching the draw bar to the vehicle. The apparatus also has a body that is associated with the ball in such a way that horizontal angular movement of the draw arm relative to the draw bar causes a substantially equivalent horizontal angular movement of the body relative to the draw bar. A hydraulic dampener linked to the body dampens horizontal angular movement of the body and, thereby, dampens horizontal angular movement of the trailer.
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