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
Autobrake and decel control built-in test equipment
Method and system of channel detecting and reporting, terminal, and management center
Support member, rotation device comprising such a support and rolling bearing assembly including such a detection device
Methods, devices and computer program products providing for establishing a model for emulating a physical quantity which depends on at least one input parameter, and use thereof
Bandpass filter and radio communication module and radio communication device using the same
Charged particle source with multiple selectable particle emitters
Method of manufacturing acrylic film, and acrylic film
  Randomly Featured Patents
Spirocyclic 3-phenyl-3substituted-4-ketolactams and-lactones
Communication device
Board stacking machine
Integrally-formed container
Erosion control device
Multi-container dispensing device
Phased array ultrasonic testing system and methods of examination and modeling employing the same
Construction toy
Bidentate chiral ligands for use in catalytic asymmetric addition reactions
Addressable fuse array for circuits and mechanical devices