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Land vehicle steering system including selective inboard and outboard wheels adjustment

  • US 9,387,881 B2
  • Filed: 11/18/2013
  • Issued: 07/12/2016
  • Est. Priority Date: 11/18/2013
  • Status: Active Grant
First Claim
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1. A steering system including left and right steering assemblies for a land vehicle, wherein each of said left and right steering assemblies comprises:

  • a pivot arm pivotally secured to the vehicle about a first pivot axis;

    a first selectively extendable and retractable mechanism secured between said pivot arm and the vehicle;

    a wheel end pivotally secured to said pivot arm about a steering axis whereupon a steerable wheel is mountable; and

    ,a second selectively extendable and retractable mechanism secured between said wheel end and said pivot arm, whereby actuation of said first mechanism rotates said pivot arm about said first pivot axis and moves said wheel end inboard and outboard of the vehicle and actuation of said second mechanism rotates said wheel end relative to said pivot arm for steering the vehicle; and

    ,wherein each said pivot arm comprises;

    a first control arm pivotally secured about said first pivot axis;

    a second control arm pivotally secured to said first control arm about a suspension axis;

    a spring between said first control arm and said second control arm;

    wherein said wheel end is pivotally secured to said second control arm; and

    ,wherein said second mechanism is secured between said wheel end and said second control arm.

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