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Lean steering truck with a torsion spring assembly

  • US 7,967,096 B2
  • Filed: 03/18/2009
  • Issued: 06/28/2011
  • Est. Priority Date: 03/20/2008
  • Status: Expired due to Fees
First Claim
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1. A lean steering truck comprising:

  • an attachment plate;

    a torsion assembly including a torsion hanger housing rotatably coupled with the attachment plate and providing resistive force against rotation in a first plane from a defined neutral position;

    a first swing arm rotatably coupled to the torsion assembly such that the first swing arm is rotatable in a plane other than the first plane of rotation of the torsion assembly;

    a first control arm coupled to the first swing arm assembly at a location on the first swing arm distal to a point at which the first swing arm is coupled to the torsion assembly;

    a second swing arm rotatably coupled to the torsion assembly such that the second swing arm is rotatable in a plane other than the first plane of rotation of the torsion spring assembly; and

    a second control arm coupled to the second swing arm assembly at a location on the second swing arm distal to a point at which the second swing arm is coupled to the torsion assembly.

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