Resources Contact Us Home
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
Method and device for reducing image color noise
Digital signal processing apparatus, liquid crystal display apparatus, digital signal processing method and computer program
Feedback method and processing system for policy installation failures
Dental composition, kit of parts and use thereof
Signal processor and signal processing method
Orthogonal tunable antenna array for wireless communication devices
Disk drive increasing capacity by adjusting a servo gate during write operations
  Randomly Featured Patents
Hot water recovery apparatus for reclaiming process water
Piston type compressor
Ethylene polymer, process for preparing the same, solid titanium catalyst component for ethylene polymerization and ethylene polymerization catalyst
Method of machining a workpiece between centers and a clamping device for performing this method
Suture with toggle and delivery system
Quick disconnect coupling
Apparatus for solar distillation
Ultralight trim composite
Ion conducting electrolyte material containing a lithium porphyrin complex
Hydraulic boom hoist cylinder crane