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
Image processing apparatus and image processing method
Providing user interfaces and window previews for hosted applications
Method and system and policy server for guaranteeing data not to be interrupted
Method and apparatus for increasing query traffic to a web site
Carbon dioxide capture system and methods of capturing carbon dioxide
Video conference
Quinazoline compounds and their use in perfume compositions
  Randomly Featured Patents
Sealing apparatus
Peristaltic motor
Flotation jacket
Image pickup apparatus, control method therefor, and computer-readable program for implementing the control method
Automated waste scaling system and method of weighing and documenting waste data
Splitting up pyran rings
Semiconductor diode with depleted polysilicon gate structure and method
Gas inlet attachment for a gas charger
Marine rescue and recreational board
Conduit for wires or the like