Patents Assigned to Rock Bit International, L.P.
  • Rock bit with channel structure for retaining cutter segments
    Patent number: 7025155
    Abstract: A roller cone body defines a circumferential channel or race into which a plurality of cutter or wear segments are mounted. The wear segments may be of any appropriate contour or shape, such as for example chisel, spherical, or even flat face and are preferably made or carbide. The wear elements may be all the same within a channel or race, or they may be varied within a race as needed for a particular application.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: April 11, 2006
    Assignee: Rock Bit International, L.P.
    Inventor: Roy D. Estes