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APPARATUS AND METHOD FOR PREPARING A BLAST HOLE IN A ROCK FACE DURING A MINING OPERATION

  • US 20190323811A1
  • Filed: 12/01/2017
  • Published: 10/24/2019
  • Est. Priority Date: 12/02/2016
  • Status: Active Grant
First Claim
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1. An apparatus for preparing a blast hole in a rock face during a mining operation, the apparatus comprising:

  • a support structure; and

    a feed unit supported by the support structure, the feed unit comprising a plurality of tool stations in communication with a common tool outlet, each tool station comprising a drive mechanism configured to deploy a tool out of the common tool outlet to deliver the tool to the blast hole in the rock face and to retract the tool from the common tool outlet, each tool station being configured to retain its respective tool in the tool station when the respective tool is retracted from the common tool outlet.

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