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Semitrailer load balancing system

  • US 5,863,057 A
  • Filed: 09/09/1996
  • Issued: 01/26/1999
  • Est. Priority Date: 05/01/1996
  • Status: Expired due to Term
First Claim
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1. An adjustment system for adjusting a sliding undercarriage along a length of a semitrailer and adjusting a sliding fifth wheel along a length of a tractor, the tractor used for pulling the semitrailer, the semitrailer having an air operated brake, the adjustment system is used for balancing a load on the semitrailer, adjusting the turning radius and for operator convenience, the adjustment system comprising:

  • a communication and control module with control panel and display;

    sliding undercarriage adjustment means connected to said communication and control module for adjusting the sliding undercarriage forward and aft on the semitrailer when said sliding undercarriage adjustment means is actuated by said control module, whereby said sliding undercarriage adjustment means is adapted for mounting on the semitrailer and connected to the air operated brake; and

    a load balancing switch connected to said control module and connected to an air pressure switch, whereby said air pressure switch adapted for connection to the air operated brake and whereby when said load balancing switch is pushed said sliding undercarriage adjustment means is actuated for adjusting the sliding undercarriage forward and aft when the semitrailer'"'"'s air operated brake has been disengaged.

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