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Longitudinally and vertically adjustable axle assembly

  • US 5,718,443 A
  • Filed: 12/12/1995
  • Issued: 02/17/1998
  • Est. Priority Date: 12/12/1995
  • Status: Expired due to Fees
First Claim
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1. Axle assembly for a vehicle adapted to travel over a surface and having longitudinally extending frame rails having a longitudinal extent, comprising, in combination:

  • a carrier;

    means for movably mounting the carrier to the frame rails of the vehicle for movement in a longitudinal direction between a retracted position and an extended position;

    means for moving the carrier in the movably mounting means between the retracted and extended positions;

    an axle including at least a pair of wheels;

    at least a first arm having a first end and a second end, with the axle secured to the first end of the arm and the second end of the arm being pivotally mounted to the carrier about a lateral axis; and

    means for pivoting the arm relative to the carrier for adjustably moving the axle relative to the carrier for vertical movement of the wheels between a surface engaging position and an elevated position spaced above the surface, with the pivoting means having a first end pivotally mounted to the carrier and a second end pivotally mounted to the arm, with the axle assembly being positioned generally within the longitudinal extent of the frame rails when the carrier is in the retracted position, with the carrier movable between the retracted and extended positions with the wheels in either the surface engaging position or the elevated position.

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