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Steerable trailer and steering apparatus of combination vehicle

  • US 5,289,892 A
  • Filed: 09/24/1991
  • Issued: 03/01/1994
  • Est. Priority Date: 09/26/1990
  • Status: Expired due to Term
First Claim
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1. A steerable trailer, comprising:

  • coupling angle detecting means for detecting a coupling angle;

    trailer wheel steering angle detecting means for detecting a trailer wheel steering angle;

    actuators for steering trailer wheels; and

    control means for calculating and memorizing a travel direction of a coupling point at a location in response to signals transmitted from each of said detecting means, said control transmitting output signals to said actuators so as to align a travel direction of a rear end of the trailer with the memorized direction of the coupling point when the rear end of the trailer reaches said location.

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