Resources Contact Us Home
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
Power collecting device, power measuring device, and power collecting method
Connector interface for a cable
Lighting fixture
Methods of implanting dopant ions
Secure soft SIM credential transfer
Coordinated multi-point transmission in a cellular network
Center spreader adapter tool for toilet paper rolls and paper towel rolls that do not have inner cardboard tubes
  Randomly Featured Patents
Liquid crystal display device having backlight unit that automatically adjusts according to ambient brightness and method of driving the same
Aniline compound-containing hair dye composition and method of dyeing hair
Rear panel for a backpack
Hand rail bearing
Apparatus for applying a soft contact lens
Variable damping device for seismic response controlled structure
Aggregation system
Distance protection relay and method
Passage conversion valve assembly for a vacuum cleaner
Method and apparatus for magnetically coupling incremental weights to exercise apparatus