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Suspension system for a tracked vehicle

  • US 5,340,205 A
  • Filed: 06/30/1993
  • Issued: 08/23/1994
  • Est. Priority Date: 11/13/1992
  • Status: Expired due to Fees
First Claim
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1. An undercarriage for a tracked vehicle comprising:

  • a rigid frame;

    a main drive wheel mounted to and extending outward from the rigid frame, the main drive wheel having a main drive wheel axis;

    a walking beam having a first section and a second section is pivotally coupled to the rigid frame by a walking beam pivot which defines a walking beam pivot axis;

    an angled first arm is pivotally coupled to the first section of the walking beam by an angled arm pivot which defines a angled arm pivot axis, the angled arm is provided with a first portion and a second portion with the angled pivot arm pivot being located between these two portions;

    a first idler is rotatably mounted to the first portion of the angled arm, the first idler defining a first idler axis;

    a second arm is pivotally coupled to the rigid frame at the walking beam pivot;

    a second idler is rotatably mounted to the second arm, the second idler defining a second idler axis;

    a spring is located between the second section of the walking beam and the second arm; and

    a track surrounds the main drive wheel, the first idler and the second idler.

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