Patents by Inventor Timothy W. Ledbetter

Timothy W. Ledbetter has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Drilling machine power pack which includes a clutch
    Patent number: 8646549
    Abstract: A drilling machine includes a compressor coupled to a prime mover through a hydraulic clutch, wherein the hydraulic clutch is repeatably moveable between engaged and disengaged conditions. The compressor is allowed to provide air and is restricted from providing air in response to the hydraulic clutch being in the engaged and disengaged conditions, respectively. The hydraulic clutch is moveable between the engaged and disengaged conditions during operation of the prime mover.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: February 11, 2014
    Assignee: Atlas Copco Drilling Solutions LLC
    Inventors: Timothy W. Ledbetter, Iain A. Peebles
  • Feed cable system for a tower of a drilling machine
    Patent number: 8622151
    Abstract: A drilling machine includes a feed cable system which operatively couples a rotary head to a tower. The feed cable system includes first and second pull up cables and an equalizer bar, wherein the equalizer bar is coupled to the first and second pull up cables. The equalizer bar drives the rotary head to be held in a level position so that it is restricted from tilting. The drilling machine includes a slack take up device which couples the equalizer bar to the tower. The slack take up device is repeatably moveable between extended and retracted conditions.
    Type: Grant
    Filed: September 21, 2009
    Date of Patent: January 7, 2014
    Assignee: Atlas Copco Drilling Solutions LLC
    Inventor: Timothy W. Ledbetter
  • Break-out assembly for a drilling machine
    Patent number: 8413728
    Abstract: A break-out assembly includes a slide wrench assembly, and a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders. The first and second rotator assembly cylinders are actuated in opposed directions. The break-out assembly includes a clamp assembly having opposed arm assemblies which are rotatable about separate pivot points.
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: April 9, 2013
    Assignee: Atlas Copco Drilling Solutions LLC
    Inventors: Timothy W. Ledbetter, Steven B. Tweedie, James M. Benson, Maureen A. Bohac, Iain A. Peebles
  • FEED CABLE SYSTEM FOR A TOWER OF A DRILLING MACHINE
    Publication number: 20110266064
    Abstract: A drilling machine includes a feed cable system which operatively couples a rotary head to a tower. The feed cable system includes first and second pull up cables and an equalizer bar, wherein the equalizer bar is coupled to the first and second pull up cables. The equalizer bar drives the rotary head to be held in a level position so that it is restricted from tilting. The drilling machine includes a slack take up device which couples the equalizer bar to the tower. The slack take up device is repeatably moveable between extended and retracted conditions.
    Type: Application
    Filed: September 21, 2009
    Publication date: November 3, 2011
    Applicant: ATLAS COPCO DRILLING SOLUTIONS LLC
    Inventor: Timothy W. Ledbetter
  • DRILLING MACHINE POWER PACK WHICH INCLUDES A CLUTCH
    Publication number: 20110083903
    Abstract: A drilling machine includes a compressor coupled to a prime mover through a hydraulic clutch, wherein the hydraulic clutch is repeatably moveable between engaged and disengaged conditions. The compressor is allowed to provide air and is restricted from providing air in response to the hydraulic clutch being in the engaged and disengaged conditions, respectively. The hydraulic clutch is moveable between the engaged and disengaged conditions during operation of the prime mover.
    Type: Application
    Filed: October 8, 2009
    Publication date: April 14, 2011
    Applicant: ATLAS COPCO DRILLING SOLUTIONS LLC
    Inventors: Timothy W. Ledbetter, Iain A. Peebles
  • BREAK-OUT ASSEMBLY FOR A DRILLING MACHINE
    Publication number: 20110030970
    Abstract: A break-out assembly includes a slide wrench assembly, and a slide wrench rotator assembly which rotates the slide wrench assembly in response to actuating first and second rotator assembly cylinders. The first and second rotator assembly cylinders are actuated in opposed directions. The break-out assembly includes a clamp assembly having opposed arm assemblies which are rotatable about separate pivot points.
    Type: Application
    Filed: August 7, 2009
    Publication date: February 10, 2011
    Inventors: Steven B. Tweedie, Timothy W. Ledbetter, James M. Benson, Maureen A. Bohac, Iain A. Peebles