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Earth-boring tools including passively adjustable, aggressiveness-modifying members and related methods

  • US 10,094,174 B2
  • Filed: 12/17/2015
  • Issued: 10/09/2018
  • Est. Priority Date: 04/17/2013
  • Status: Active Grant
First Claim
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1. An earth-boring reamer, comprising:

  • a blade; and

    a passively adjustable, aggressiveness-modifying member located on the blade, the passively adjustable, aggressiveness-modifying member being movable between a first position in which the reamer exhibits a first aggressiveness and a second position in which the reamer exhibits a second, different aggressiveness responsive to forces acting on the passively adjustable, aggressiveness-modifying member, the passively adjustable, aggressiveness-modifying member configured to modify a depth of cut of cutting elements secured to the blade of the reamer in response to forces applied to the passively adjustable aggressiveness-modifying member as the cutting elements engage with an earth formation.

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