Matches 1 - 14 out of 14
Match Document Document Title
7614464 Rock drill machine  
A rock drilling machine includes a frame, and arranged inside the frame is a drill rod. A hammer gear is arranged to hammer the drill rod rear end. There is arranged around the drill rod a position...
7568531 Gear transmission device for power tool  
A gear transmission device for a power tool. The device transmits rotation of an input shaft to an output shaft, which are coaxially rotated. The input shaft includes a distal portion, and the...
3500938 UNIVERSALLY MOUNTED DRILLING MAST  
3001593 Off-shore drilling barge  
2939682 Posthole digger attachment for tractor  
2919899 Drilling rig  
2906515 Auger type mining machine  
2859014 Earth boring rig for tractors  
2856156 Power lift  
2856155 Rotary drilling apparatus  
2838282 Tractor mounted rock drills  
2810550 Earth boring machine  
2803434 Rotary well drilling machine  
1004160 Title is not available  
Matches 1 - 14 out of 14