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Class Information
Number: 175/342
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Adjustable cutter element
Description: Apparatus in which means are provided to selectively hold the rolling cutter element in different positions with respect to the bit head.










Patents under this class:

Patent Number Title Of Patent Date Issued
7987931 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Aug. 2, 2011
7604073 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Oct. 20, 2009
7571083 Method of designing a drill bit, and bits made using said method Aug. 4, 2009
7458430 Attachment means for drilling equipment Dec. 2, 2008
7195085 Drill bit Mar. 27, 2007
4690228 Changeover bit for extended life, varied formations and steady wear Sep. 1, 1987
4610318 Rotary cutter assembly Sep. 9, 1986
4448270 Variable diameter earth boring bit May. 15, 1984
4158973 Rolling cutter drill bit Jun. 26, 1979
4010808 Expandable raise bit Mar. 8, 1977











 
 
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