Matches 1 - 20 out of 20
Match Document Document Title
6651754 Apparatus for moving earth boring machines  
Apparatus for moving an earth boring machine along a track includes a module which is releasably connected as a unit to the earth boring machine. The module includes a support plate releasably...
6105595 Method, system, and apparatus for automatically preventing or allowing flow of a fluid  
An automatic fluid valve (25) includes a drive member (32) having an aperture (43) and a driven member (54). The automatic fluid valve (25) also includes at least one torque transfer member (38)...
5778988 Drilling apparatus  
Drilling apparatus which comprises support structure mounted guide tracks which extend in a drilling direction. A rotating and pushing unit is mounted on said guide tracks for movement in the...
5228525 Adaptor for earth boring machine  
An adaptor assembly for an earth boring machine includes a thrust bearing housing removably attachable to the bulkhead plate of an earth boring machine surrounding the torque hub flange. A rear...
4977967 Steering and lubricating apparatus for portable earth boring machine with steering head  
A combined steering and lubricating apparatus for use with earth boring apparatus includes a casing extension pivotally attached to one end of a casing section and controlled by an elongate tube...
4681490 Retraction apparatus for automatic feed drills or the like  
The automatic feed drill includes a spindle mounted therein for rotating in reciprocating movement. The spindle is rotated by spindle rotation gear that is engaged with the main drive gear which is...
4591299 Rapid feed apparatus for automatic feed drills or the like  
The automatic feed drill includes a spindle mounted therein for rotating and reciprocating movement. The spindle is rotated by a spindle rotation gear that is engaged with the main drive gear which...
3612195 EARTH-BORING MACHINE  
A machine for the horizontal boring of shafts for the insertion of pipelines where excavation from the surface is undesirable, such as under freeways or the like, which comprises a boring mechanism...
3610345 EARTH BORING MACHINE CARRIAGE WITH DETACHABLE PUSHER RING AND POWER FRAMES  
A machine for the horizontal boring of shafts for the insertion of pipelines where excavation from the surface is undesirable, such as under freeways or the like, which comprises a boring mechanism...
3366186 Trench drill  
3324958 Soil-sampling apparatus with core dislodging means  
3189104 Percussion tools  
3162254 Earth boring and conduit laying machine  
3141510 Anchor mechanism for rock drills  
3141509 Rotary tool with power feed  
2976942 Apparatus for drilling horizontally extending holes in embankments and walls  
2896410 Automatic hydraulic power unit  
2834576 Boring machine  
3605910 Title is not available  
3605917 Title is not available  
Matches 1 - 20 out of 20