Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/281
Name: Boring or penetrating the earth > Cutter element laterally shiftable below ground (e.g., expansible) > With shifting mechanism spring biased to operative position > Cutter element substantially longitudinally movable on shaft
Description: Apparatus in which the laterally movable cutter element is carried on the bit head or shaft so that the cutter element is bodily movable generally longitudinally relative to the bit head or shaft to cause movement of the cutter element.










Sub-classes under this class:

Class Number Class Name Patents
175/282 Plural elements expanded into single socket 0
175/283 With forwardly extending noncutting portion 3


Patents under this class:

Patent Number Title Of Patent Date Issued
8281880 Expandable tool for an earth boring system Oct. 9, 2012
4842082 Variable outside diameter tool for use in pikewells Jun. 27, 1989











 
 
  Recently Added Patents
Method of patterning color conversion layer and method of manufacturing organic EL display using the patterning method
Conversion of 5-(chloromethyl)-2-furaldehyde into 5-methyl-2-furoic acid and derivatives thereof
Controller for flexible and extensible flow processing in software-defined networks
Registry key federation systems and methods
Liquid crystal display device with a control mechanism for eliminating images
Digital processing method and system for determination of optical flow
Processing financial documents
  Randomly Featured Patents
Connector for a pallet assembly
Means of coupling non-threaded connections
Controlling agglomerated point defect and oxygen cluster formation induced by the lateral surface of a silicon single crystal during CZ growth
Tire testing system having focused links reducing cosine errors
Alignment method
Novel particulate expandable styrene polymers having short minimum molding times and method for preparing same
Fish-bite indicator
Apparatus for generating motion control signal from image signal
Optical receiver and an optical transmission system incorporating the same
Tone arm