Matches 1 - 6 out of 6


Match Document Document Title
US20130098649 Support frame for a jack hammer  
A Support frame for a jack hammer has an armature comprised of a riser member rotationally attached to a vertical support member. The vertical support member extends perpendicularly from a base...
US20110036608 ROCK DRILLING DEVICE AND ROCK DRILLING RIG AND/OR ROCK BOLTING RIG COMPRISING SUCH DEVICE  
The invention concerns a boom arrangement (202) for use in a mining and/or construction machine (200), comprising a first boom section (203) with a first and a second end, wherein said first end...
US20140151078 METHOD AND SYSTEM FOR CONTROLLING THE MOVEMENT OF A MAST OF A DRILLING MACHINE, IN PARTICULAR FOR OBTAINING PILES  
The method comprises the following operations: delivering a moving power to at least one linear actuator (1, 7) arranged to move a mast (5) mounted so as to swing with respect to a self-propelled...
US20120012354 APPARATUS FOR DRIVING PILES OR DRILLING HOLES  
An apparatus for driving piles or drilling holes includes a self propelled vehicle with a mounting platform supported by the vehicle. A lifting and positioning arm is provided having a mounting...
US20080277131 EXCAVATING METHOD AND APPARATUS  
An excavation apparatus includes a support structure mountable to a truck bed, the support structure defining a longitudinal direction extending front-to-back of the truck bed, and a lateral...
US20130341059 Top drive sheave method and apparatus  
A traveling top drive sheave system includes in one embodiment a rig carrier, a mast assembly pivotally attached to the rig carrier comprising guide rails and a crown block, a top drive fixture,...
Matches 1 - 6 out of 6