Resources Contact Us Home
Browse by Category: Main > Construction
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

  Recently Added Patents
Key management policies for cryptographic keys
Image processing apparatus, image forming system, and computer-readable storage medium
Content protection apparatus and content encryption and decryption apparatus using white-box encryption table
Bird deterrent
Signal activated molecular delivery
System and method for providing restrictions on the location of peer subnet manager (SM) instances in an infiniband (IB) network
Assembly for providing an aligned stack of two or more modules and a lithography system or a microscopy system comprising such an assembly
  Randomly Featured Patents
Safety catch for launch and recovery
Switchable reflective layer for windows and other optical elements
Electron beam inspection apparatus and method for testing an operation state of an electron beam inspection apparatus
Evacuated enclosure mounted acoustic actuator and passive attenuator
Method of operating a gas-turbine group by directing a fuel/water mixture to the combustion chamber
Manufacturing execution system for validation, quality and risk assessment and monitoring of pharmaceutical manufacturing processes
Sound film cassette employing separating web
Pouring device for dual-roll type continuous casting machines
Absolute encoder
Closure for flexible containers