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VARIABLE DIAMETER DRILL BIT GUIDE

  • US 20170189037A1
  • Filed: 10/26/2016
  • Published: 07/06/2017
  • Est. Priority Date: 10/27/2015
  • Status: Active Grant
First Claim
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1. A drill bit guide assembly for use with a drill, comprising:

  • a fixed bore extending through at least a portion of a guide member, wherein a central axis of the fixed bore comprises a reference axis;

    a plurality of selectable bores each having a different diameter; and

    a bore selection member comprising at least one of the plurality of selectable bores, the bore selection member being displaceable relative to the fixed bore for aligning at least one of the selectable bores with the reference axis.

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