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Surge brake combination vehicle stabilizer

  • US 3,948,544 A
  • Filed: 02/24/1975
  • Issued: 04/06/1976
  • Est. Priority Date: 02/24/1975
  • Status: Expired due to Term
First Claim
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1. Apparatus for automatically eliminating a sway condition in a trailer towed by a tow vehicle and having brakes for retarding its rate of movement, comprising a hitch connecting the trailer to the tow vehicle, sensing means on the hitch for sensing the amplitude and direction of hitch lateral force, the sensing means including a reaction wheel and means for rotating the reaction wheel through an angle corresponding to hitch lateral force, and means connected to the sensing means for operating the trailer brakes for automatically eliminating a sway condition in the trailer including a pair of pistons reciprocating in associated cylinders operatively connected to the brakes, and means connecting the pistons to the reaction wheel for moving the pistons differentially in the cylinders in response to movement of the reaction wheel to operate the brakes for eliminating the sway condition in the trailer.

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