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Self propelled, off road vehicle

  • US 4,350,190 A
  • Filed: 06/02/1980
  • Issued: 09/21/1982
  • Est. Priority Date: 08/17/1978
  • Status: Expired due to Term
First Claim
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1. Vehicle for transporting massive objects over natural terrain, comprising, in combination:

  • (1) an elongated rigid frame element;

    (2) means on said frame element for supporting massive objects;

    (3) a pair of quad wheel assemblies, each assembly including a primary mounting member pivotally attached to said frame element for movement about a roll axis parallel to the longitudinal axis of the elongated frame element, a pair of walking beams medially pivotally attached to opposite transverse sides of said primary mounting member for movements about a transverse pitch axis and a wheel steerably mounted on free ends of each walking beam, whereby said wheels may conform to irregularities in the terrain traversed;

    (4) an operator'"'"'s platform having linkage means pivotally connecting same to one end of said elongated frame element for vertical movements relative thereto, including power means for selectively adjusting the vertical position of said platform relative to said elongated frame element; and

    (5) power operated linkage means for adjusting the position of said elongated rigid frame element about said roll axis, thereby adjusting the position of the operator'"'"'s platform, permitting same to be substantially horizontal when the vehicle wheels are positioned on the side of a slope.

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