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
Author signatures for legal purposes
Flexible quantization
Systems and methods for vehicle cruise control
Cooking device and method of manufacture of the same
Using network labels without standard-defined syntax and semantics
Bullet lens design for the dasal seeker
System and method for wireless messaging in a wireless communication system
  Randomly Featured Patents
System and method for representing a secure time in a device based upon an insecure clock
Cosmetic and dermatological detersive preparations containing acrylate copolymers, alkyl glucosides and alcohols
Methods and apparatus for call surveillance in internet protocol communication networks
Data transmitting apparatus, data receiving apparatus and data transmission control apparatus
Signaling machine for computer controlled appliance
Triphenylphosphine oxide complex process
Carabiner with calculator
Block wall system
Method for measuring the pore size of enhanced tubes
Hydraulic actuation system for aircraft control surfaces