Patents Assigned to J & B Equipment Repair LLC
  • VIBRATIONAL DRILL HEAD
    Publication number: 20180355668
    Abstract: A drill head system including a drill head having a spindle configured to be operatively coupled to a vibration source to cause the spindle to vibrate in an axial direction, the spindle having a passageway. The system further includes a sleeve receiving said spindle therein with a gap therebetween. The sleeve is configured to be coupled to a fluid source to thereby introduce a fluid into the gap and into the passageway of the spindle.
    Type: Application
    Filed: June 8, 2018
    Publication date: December 13, 2018
    Applicant: J & B Equipment Repair LLC
    Inventor: John William Short