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
Signal processing and tiered signal encoding
Architectural panel with millet and grass
Bottle
Switching device and electronic apparatus using the same
Digital IF demodulator for video applications
Pre-distortion architecture for compensating non-linear effects
Battery-operated massager and soap dispensing wand
  Randomly Featured Patents
Method for calibration of a spectroscopic sensor
Wall sign
Work bench cutting board
Method for improving substrate alignment
Hardware for ready-made balloon shade
Semiconductor chip structure
Multi-domain liquid crystal display device and method of fabricating the same
Barrier tape construction
Reclining chair
Multi-layer combination sponge