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Class Information
Number: 175/368
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Detachable stub axle, bushing or bearing > Releasable cutter securing device
Description: Apparatus in which means are provided to secure the cutter element to the removable axle, pin, bushing or bearing and which is releasable to free the cutter element after the removal of the axle, pin, bushing or bearing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8011456 |
Rotationally indexable cutting elements and drill bits therefor |
Sep. 6, 2011 |
| 7942217 |
Cutting apparatus for a microtunnelling system |
May. 17, 2011 |
| 7823657 |
Drilling assembly, drilling reamer arm assembly, and methods of drilling |
Nov. 2, 2010 |
| 7017683 |
Cutter for tunnel boring machine |
Mar. 28, 2006 |
| 6742608 |
Rotary mine drilling bit for making blast holes |
Jun. 1, 2004 |
| 6170582 |
Rock bit cone retention system |
Jan. 9, 2001 |
| 5465800 |
Rolling cutter drill bits |
Nov. 14, 1995 |
| 5137097 |
Modular drill bit |
Aug. 11, 1992 |
| 4911255 |
Means for retaining roller cutters on rotary drill bit |
Mar. 27, 1990 |
| 4865137 |
Drilling apparatus and cutter |
Sep. 12, 1989 |
| 4600064 |
Earth boring bit with bearing sleeve |
Jul. 15, 1986 |
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