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Self-steering axle for vehicles

  • US 5,364,113 A
  • Filed: 10/23/1992
  • Issued: 11/15/1994
  • Est. Priority Date: 10/23/1992
  • Status: Expired due to Fees
First Claim
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1. A self steering axle assembly for a vehicle having a frame and a back-up system for effecting a caster angle change from positive to negative upon the vehicle being shifted from forward travel to reverse travel, said axle comprising:

  • (a) a suspension truss member extending transversely of the vehicle and being secured thereto;

    (b) an axle beam extending transversely of said vehicle and being hinged to said truss member for rocking movement relative thereto between a positive and a negative caster angle, said axle beam having opposite ends for receiving a king pin assembly and associated wheel assemblies;

    (c) arm means extending from said axle beam at a central location; and

    (d) actuator means operably connected to said arm means at connector means for selectively rocking said axle beam to effect a predetermined change of caster angle.

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