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Class Information
Number: 175/383
Name: Boring or penetrating the earth > Bit or bit element > Adjustable cutter element > Adjustment presents different cutting edge
Description: Apparatus in which the cutter element may be selectively held in different positions for the purpose of placing a different cutting edge in operative position for engaging the formation.










Patents under this class:

Patent Number Title Of Patent Date Issued
8561728 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Oct. 22, 2013
8210285 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Jul. 3, 2012
8132633 Self positioning cutter and pocket Mar. 13, 2012
8061452 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Nov. 22, 2011
7845436 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Dec. 7, 2010
7836980 Earth-boring tools having pockets for receiving cutting elements and methods for forming earth-boring tools including such pockets Nov. 23, 2010
7681667 Drilling apparatus Mar. 23, 2010
7293616 Expandable bit Nov. 13, 2007
7143847 Drilling apparatus Dec. 5, 2006
7131505 Drilling with concentric strings of casing Nov. 7, 2006
6131675 Combination mill and drill bit Oct. 17, 2000
5623978 Stump cutting double claw tooth structure Apr. 29, 1997
4889194 Method and a device for deep hole drilling Dec. 26, 1989
4858706 Diamond drill bit with hemispherically shaped diamond inserts Aug. 22, 1989
4654947 Drill bit and method of renewing drill bit cutting face Apr. 7, 1987
4527931 Indexable insert for mining drill Jul. 9, 1985
4355932 Indexable spade drill blade Oct. 26, 1982
4320925 Dredge cutterhead tooth Mar. 23, 1982
4298233 Milling tool for a rotating milling cylinder Nov. 3, 1981
4193638 Multiple tip cutting bit for rotary drum-type cutter Mar. 18, 1980
4100983 Boring device Jul. 18, 1978
4079796 Cutting machine and augering tool Mar. 21, 1978











 
 
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