Guide rail for crawler track

  • US 9,988,110 B2
  • Filed: 08/30/2017
  • Issued: 06/05/2018
  • Est. Priority Date: 11/12/2013
  • Status: Active Grant
First Claim
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1. A crawler track system comprising:

  • a track including a plurality of shoes coupled together, the shoes configured to engage a sprocket to drive the track, each shoe including a first end, a second end, and a wear portion positioned between the first end and the second end, the wear portion having a shoe hardness; and

    at least one guide rail supporting the track over a portion of a path of the track, each guide rail including a base having an outer surface and a coating positioned on the outer surface, the outer surface of the base having a base hardness, the coating contacting the wear portion of each of the shoes as the shoes move along the portion of the track path, the coating having a coating hardness less than the shoe hardness,wherein the shoe hardness of each wear portion is initially less than the base hardness, and after a work-hardening period the shoe hardness of the wear portion is equal to or greater than the base hardness.

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