Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/282
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 > Plural elements expanded into single socket
Description: Apparatus comprising a plurality of laterally movable cutter elements which move outwardly from the longitudinal axis of the bit head or shaft to operative position and a single socket or recess on the bit head or shaft which receives in abutting relation a portion of each cutter element when they have been moved to operative position.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Powerline communication receiver
Processor micro-architecture for compute, save or restore multiple registers, devices, systems, methods and processes of manufacture
Cell surface display, screening and production of proteins of interest
Profile and template based dynamic portable user workflow
Method of sending CTI messages in a communication system
Segmented display panel and camera with segmented display
Nucleic acid sequences encoding secE/sec61-gamma subunits of protein translocation complexes
  Randomly Featured Patents
Adverse condition detection and notification apparatus
Console for refrigerant recycling
Fuel tank and air passage assembly
Shape-correcting device for sheets and electrophotographic device
Chemical mechanical polishing apparatus having a stepped retaining ring and method for use thereof
Microfluidics devices and methods of diluting samples and reagents
Device for collecting skin permeable gas and apparatus for measuring skin permeable gas
Method of forming a page boy hairstyle
Cam lock burr hole plug for securing retainer/plug base
Objective lens assembly