Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/370
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Stub axle cutter securing means > Released by antifriction bearing disassembly
Description: Apparatus in which the rolling cutter element is journaled on the axle or pin by a bearing having rolling elements which may be removed from their races to provided for removal of the rolling cutter element.










Patents under this class:

Patent Number Title Of Patent Date Issued
7240745 Drill bit lubrication apparatus and method Jul. 10, 2007
5199516 Modular drill bit Apr. 6, 1993
5137097 Modular drill bit Aug. 11, 1992
4865137 Drilling apparatus and cutter Sep. 12, 1989
4445791 Rotary drill bit ball plug May. 1, 1984
4367904 Rotary drill bit with conical rotary cutters Jan. 11, 1983
4263976 Rotary drill bit with rotary cutters Apr. 28, 1981
4258806 Rotary drill bit with rotary cutters Mar. 31, 1981
4154312 Drill bit with single cutting head May. 15, 1979
4150728 Rock drill bit inserts with hollow bases Apr. 24, 1979











 
 
  Recently Added Patents
Energy drink package
Methods, systems, and computer program product for virtually modifying surface region curvature to detect protrusions
Data consumption framework for semantic objects
Use of tris(hydroxymethyl) aminomethane for the stabilization of peptides, polypeptides and proteins
Semiconductor integrated circuit
Adaptive switch mode LED system
Predicting performance of an integrated circuit
  Randomly Featured Patents
Descaler head assembly for a descaling machine
Method of manufacturing squirrel-cage rotor
Electronic module with moisture protection
Light source device with inner and outer electrodes and liquid crystal display device
Plural bore to single bore ion transfer tube
Automated calibration of negative field weighting without the need for human interaction
Pressure control device for maintaining a constant predetermined pressure in a container
Method for accelerated aerobic decomposition of vegetative organic waste material
Semiconductor device and method of manufacturing the same
Loudspeaker enclosure