Resources Contact Us Home
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 for forming a film
Electrode structure and its manufacturing method, and semiconductor module
Human embryonic stem cell methods and PODXL expression
Stability control system with body-force-disturbance heading correction
Zero-copy network and file offload for web and application servers
Cooking brush
Transfer device and image forming apparatus including regulation member
  Randomly Featured Patents
System and method for providing security to an application
Multilayer capacitor
Hypervelocity penetrator for an electromagnetic accelerator
Generation of computer resource utilization data per computer application
Optical waveguide using cholesteric liquid crystal polymer
Combined hinge and electrical connector for portable computer
Image forming method, image forming device, and image forming program
Distillative freezing process for separating volatile mixtures and apparatuses for use therein
Process for continuous filament yarn with wool-like hand
Organopolysiloxanes exhibiting nonlinear optical response