Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 175/264
Name: Boring or penetrating the earth > Cutter element laterally shiftable below ground (e.g., expansible) > With separable means holding tool collapsed above ground only
Description: Apparatus in which the cutter element moves outwardly from the shaft axis to operative position and a means is provided which is detachable from the cutter element or bit head and which is temporarily attached to the cutter element above ground to hold the cutter element in an inward or collapsed position, usually to facilitate insertion of the cutter element in the borehole, said means being removed and remaining above ground when the cutter element is placed in the borehole.










Patents under this class:

Patent Number Title Of Patent Date Issued
3935912 Anchoring device and method for settling the device in the ground Feb. 3, 1976











 
 
  Recently Added Patents
Method for cutting C--Mn steel with a fiber laser
Flat panel display device and method of fabricating the same
Tablet computer
Microfluidic system incorporating a metal impregnated nanoporous material in a microfluidic pathway thereof
Correlating trace data streams
Photoacoustic joulemeter utilizing beam deflection technique
Ultrathin fluid-absorbent cores
  Randomly Featured Patents
Weather-resistant polyacetal resin composition and molded articles therefrom
System for processing and conveying substrate
Note dispenser
System and method for programming an operator panel LED for printer
Magnetic recording medium
Method of encoding and decoding an image sequence by means of hierarchical temporal analysis
Cleaning heat exchanger tubes
Method of forming a flush-sided container
Acrylic resin composition
Combined carrying and storage case and control display stand for electronic musical instrument components