Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 175/287
Name: Boring or penetrating the earth > Cutter element laterally shiftable below ground (e.g., expansible) > Cutter element shifted by longitudinally relatively movable parts > Cam or gear engaging cutter element > With separate latch holding cutter element in shifted position
Description: Apparatus combined with a movable member which is separate from the laterally movable cutter element or the cam or gear and which engages a portion of the movable parts to hold the cutter element in the position in which it is displaced laterally of the bit head the maximum distance from the longitudinally axis of the bit head or shaft.

Patents under this class:

Patent Number Title Of Patent Date Issued
7383900 Drill bit and system for drilling a borehole Jun. 10, 2008
7370712 Under reamer May. 13, 2008
7195085 Drill bit Mar. 27, 2007
4846290 Underreamer with revolving diamond cutter elements Jul. 11, 1989
4575294 Anchoring bolt Mar. 11, 1986
4446934 Boring tool for radial enlargement of a cylindrical foundation bore May. 8, 1984
4091883 Underreaming tool with overriding extended arm retainer May. 30, 1978

  Recently Added Patents
Position detection device, pointing device and input device
Using network labels without standard-defined syntax and semantics
Adding value to a rendered document
Beverage container lid
Liquid crystal display wherein the data lines covered by each pixel electrode are supplied with data signals of opposite polarities
Light emitting diode package and method of fabricating the same
Data processing apparatus including reconfigurable logic circuit
  Randomly Featured Patents
Method for supply gating low power electronic devices
Liquid phase diffusion bonding using high diffusivity element as insert material
Removable process unit with waste toner storage
Tufting machine and method for producing design in carpeting and the like
Braking system with mechanical combination valves
Valve for the addition of water to electrochemical accumulator batteries
Optical network terminal
Compact water filter for cleaning pool water
Sintered polymer membrane for analyte detection device