David Theodore Manley

US Patent:

20210355767, Nov 18, 2021

Filed:

Aug 2, 2021

Appl. No.:

17/391115

Inventors:

- Alachua FL, US
David PARRISH - Gainesville FL, US
Richard Cornelius DEVINS - Port Orange FL, US
Timothy James JONES - Coral Springs FL, US
Domenic John LUPPINO - Warner Robins GA, US
William Walter WOSTBROCK - Seminole FL, US
Kenneth Daniel SOYARS - Tallahassee FL, US
David Theodore MANLEY - Gainesville FL, US

International Classification:

E21B 19/18
E21B 7/02

Abstract:

A drill bit changer system for a drill rig includes a drill bit storage holder rotatably and pivotally mounted to the drill rig and a plurality of bit holder assemblies located within the drill bit storage holder. Each bit holder assembly includes a receptacle, wherein the plurality of bit holder assemblies are arranged to receive a drill bit in each receptacle. The drill bit storage holder is pivotally connected between a stowed position and an engaged position in which the drill bit is positioned at a drill string of the drill rig, wherein the drill bit storage holder is further indexable to present a respective receptacle at the drill string such that the drill bit is added or removed from the drill string. A method of changing a drill bit is also disclosed.