Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/280
Name: Boring or penetrating the earth > Cutter element laterally shiftable below ground (e.g., expansible) > With shifting mechanism spring biased to operative position > Cam or gear means movable to shift cutter element > With forwardly extending noncutting portion
Description: Apparatus in which the laterally movable cutter element is carried on a bit head or shaft which has a portion extending inwardly toward the axis of the shaft and forward of the cutter element in the direction of boring and which has no cutting function.










Patents under this class:

Patent Number Title Of Patent Date Issued
8302706 Apparatus and method for installing ground anchoring systems Nov. 6, 2012











 
 
  Recently Added Patents
High frequency vertical spring probe
Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same
Proximity-based mobile message delivery
Mixture, especially spinning solution
Clock phase recovery apparatus
Nucleotide sequence coding for variable regions of .beta. chains of human T lymphocyte receptors, corresponding peptide segments and the diagnostic and therapeutic uses
Polarity switching member of dot inversion system
  Randomly Featured Patents
2-substituted benzimidazole derivatives as selective melanin concentrating hormone receptor antagonists for the treatment of obesity and related disorders
Variable speed constant frequency power system with auxiliary DC output
Process for the conversion of methanol to light olefins and catalyst for such process
Apparatus and method for storing a bicycle or other two-wheeled vehicle using a suspension mount suspended from a support structure
Connector for a flexible circuit
Joint arrangement for knockdown furniture
Method and apparatus for detecting doubles in a singulated stream of flat articles
Method of treating a viral condition by inhibiting membrane fusion
Magazine assembly for nailer
Viewfinder and image pickup apparatus