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
Schottky diode and method of manufacture
Display for displaying three-dimensional images and method for displaying three-dimensional images
Bio-pesticide and method for pest control
Image display device and method of changing first EDID with second EDID wherein the second EDID information is compatible with image display device
Method for producing lactamates by way of thin film evaporation
Method and device for reducing image color noise
Quinoid thiophene organic photoelectric material, preparation method thereof and application thereof
  Randomly Featured Patents
Front cover for a microphone
Camera with a built-in zoom lens
Multiple discriminate analysis and data integration of vibration in rotation machinery
Chromenoindole color formers
Latch mechanism
Axial flow scan testable filter system
Integrated circuit package system with leadfinger support
Drum-like container out of plastic and process and device for its production
Method to monitor and control server applications using low cost covert channels
Data acquisition system and method