Patent ID: 9617795
Date: 2017-04-11
CPC Classifications: E21B,E21D

Claim:
1. A subterranean support-bolt drill bit, comprising: a bit body rotatable about a central axis; at least one cutting element mounted to the bit body, the at least one cutting element comprising: a first recess defined in the bit body and positioned adjacent the at least one cutting element; a first opening extending through a portion of the bit body, the first opening extending from the first recess; a coupling projection extending from the back surface of the at least one cutting element, the coupling projection being positioned within the first recess; a coupling attachment extending through the first opening and attached to the coupling projection; a locking member disposed adjacent the at least one cutting element, wherein the coupling attachment extends through a second opening extending through a portion of the coupling projection and the coupling attachment extends into a second recess defined in the locking member.