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| Number | Title | Issue Date |
| 7896099 | Upper beam for a telescopic feeder, telescopic feeder and drilling device for rock drilling The object of the invention is to provide a drilling device which is compact and has good sliding properties. The object is achieved by an upper beam for use with a lower beam in a telescopic feeder for a drilling device for rock drilling. The upper beam extends alo... | 03/01/2011 |
| 7735576 | Device for guiding and tensioning supply lines In a device for guiding and tensioning supply lines for working tools movable along a straight guide, e.g. supply lines of a hydraulic hammer drill on an advance mounting, the advance of the working tool is implemented by means of a revolving transport chain driven ... | 06/15/2010 |
| 7712545 | Telescopic feed beam for rock drill A telescopic feed beam for a rock drill includes a lower beam and an upper beam arranged to move with respect to each other in the longitudinal direction. The cross section of the lower beam is such that there is a groove-like open space at the bottom of the lower b... | 05/11/2010 |
| 7426966 | Apparatus for imparting relative movement between an oscillating member and a rail The invention provides an apparatus (2) for imparting relative movement between an oscillating member and a rail (4). The apparatus (2) comprises a support (6) in the form of a housing providing a fulcrum (8) and biasing means (... | 09/23/2008 |
| 7410008 | Ground rod driver A ground rod driver that uses an industry standard connecting plate to physically attach the driver to Skid Steer type equipment. The driver has a hydraulic, impact driving hammer connected to an alignment beam that enables vertical movement of the hammer. Operation... | 08/12/2008 |
| 7267182 | Rock drilling rig and rock breaking machine The rock drilling rig comprises a first control unit (8) arranged on a carrier (1) and a second control unit (9) arranged to a rock drilling apparatus (4). The first control unit (8) and the second control unit (9) communica... | 09/11/2007 |
| 7226252 | Hand-held drill leverage unit A hand held drill leverage unit for supporting, positioning, and leveraging a drill. The leverage unit has a main lever arm pivotally supported by a fulcrum unit. A drill end of the lever arm supports the drill, while an opposing, longer, handle end of the lever all... | 06/05/2007 |
| 7214007 | Composite track, column and other supports, including for machinery A drill assembly, for example for drilling or coring concrete, has a drill column formed from a composite material. A track for a wall saw or for supporting other structures for movement along the track is formed from a composite material. A composite column, rail o... | 05/08/2007 |
| 7040413 | Hand power tool with a pneumatic striking mechanism The striking mechanism has a hammer barrel (3), which has at least one control opening (23) through which, in an idle position, the air can escape from the hammer barrel (3), and which in a striking position is closed by a covering (25) t... | 05/09/2006 |
| 7011166 | System and method for assisting with automatically connecting pipe joints with a horizontal boring machine An automatic pipe handling system for automatically transporting pipe sections to and from a horizontal boring machine. The system comprises a pipe handling assembly, a pipe lubrication assembly, a makeup/breakout assembly, and an automatic control system. The pipe ... | 03/14/2006 |
| 6986394 | Reciprocable impact hammer In the field of borehole creation there is a need for a reciprocable impact hammer with a tool that is rotatable while under load. A reciprocable impact hammer (10) for use in a downhole location comprises a tool support member (11); a hammer member ( | 01/17/2006 |
| 6814155 | Bolting rigs The invention provides a bolting installation apparatus comprising a base having a pair of parallel cylindrical rods held between two end plates; an intermediate carriage slidably mounted on said rods; a drilling unit carriage having at least one first rod and at le... | 11/09/2004 |
| 6216797 | Thrust system for a horizontal directional drill A thrust system for a horizontal directional drill is provided. The thrust system includes a drill boom having a drive sprocket positioned at the first end thereof and a driven sprocket positioned at the second end thereof. A carriage for supporting the h... | 04/17/2001 |
| 6216798 | Work unit for machine tool, with linear electric motor for axial movement of the spindle The invention concerns the work units for automatic machine tools in which a spindle (5) moves in translation and rotates with respect to a work axis (Z). More particularly in these units, in order to obtain the rotation/translation of the spindle, the la... | 04/17/2001 |
| 6202758 | Compact boring apparatus for making earth bores An earth boring machine 10 with a frame and a linearly movable slide 22 on the frame has an apparatus for holding and rotationally driving a boring rod 24, and a forward feed drive for moving the slide parallel to the boring direction. The machine with es... | 03/20/2001 |
| 6183163 | Method and apparatus for laying out a pipeline A method and apparatus for laying a pipeline. Working and receiving pits are dug out. An active working member is dropped into the working pit at a preselected depth. The active working member is fixed to a vertical knife of a power mechanism. Polyethylen... | 02/06/2001 |
| 6105684 | Roof bolter or a roof bolt installation apparatus The present invention relates to improvements in the operation and construction of roof bolters or roof bolt installation apparatus. The improvements comprise a roof bolter constructed so that the critical moving parts of its timber jack, feed frame, feed... | 08/22/2000 |
| 6021854 | Adapter handle for power tool An adaptor handle for a power tool, and in particular, for a hammer and chipping gun, which allows the operator to operate the hammer and chipping gun from a standing erect position as opposed to a kneeling or squatting position the adaptor handle being a... | 02/08/2000 |
| 5987723 | Apparatus and method for rapid, remote, forcible entry An apparatus (10) for the rapid, remote, forcible entry of the trunk lid or cargo area of a vehicle which includes one or more heads (12) engaged under the trunk lid or against the external wall of the vehicle to be breached, a piston rod (14) attached to... | 11/23/1999 |
| 5988298 | Drill rod position stabilizing device A drilling device has a drilling mast and a movable drifter thereon with a drill rod stabilizing device for stabilizing drill rods in position during drilling. The stabilizer travels along the mast along with the drifter, and includes a locking arm that a... | 11/23/1999 |
| 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 drilling direction. The apparatus is provided with a series of ... | 07/14/1998 |
| 5771981 | Control system for percussion drill A control system for a percussion drill with a hydraulically actuated drill rotation mechanism and drill feed mechanism which includes a control means which operates, in response to the hydraulic pressure in the drill feed mechanism, to start percussion m... | 06/30/1998 |
| 5355965 | Mounting apparatus for a rotational drive unit A mounting apparatus for a rotational drive unit. The rotational drive unit includes a socket portion which receives a truck or carrier. Opposing engagement surfaces of the carrier are separated by a distance greater than the length of the socket. The res... | 10/18/1994 |
| 5343962 | Double rod cylinder feed system A hydraulic system for moving a drilling head in a rectilinear motion between a mast crown and a mast table on a drilling machine includes a double rod hydraulic cylinder connected at a bottom end to a mast table and at a top end to a traveling sheave blo... | 09/06/1994 |
| 5330012 | Feed shell lubrication manifold The present invention is for an improved feed shell for an air-flushing, rock-drilling system. The improvement extends the life of the feed shell and, in particular, the feed guide of a feed shell on which gibs for directing a rock drill ride. The system,... | 07/19/1994 |
| 5244048 | Drilling system A drilling system for drilling upwardly under automobiles, and for drilling in a direction away from a drill base in other uses, having a base to which a post is attached. A drill carrier slides on the post. A collar is adjustable to anchoring positions a... | 09/14/1993 |
| 5139097 | Rock drilling apparatus The invention relates to a rock drilling apparatus comprising a carrier and at least one drill boom mounted in the carrier and provided with a drifter and a feeding beam. Valves for the control of the operations of the drifter and the feeding beam are arr... | 08/18/1992 |
| 5067567 | Remote handling apparatus Apparatus for remote handling operations in which a tool carrier is provided with elongate resilient members which permit transverse or lateral displacement of the tool carrier to thereby cater for misalignment between the tool carrier and an object to be... | 11/26/1991 |
| 4986370 | Pneumatic hammer lift An apparatus for lifting a pneumatic hammer from the hammer's work surface. A pneumatic lift attachment is provided having a support housing. Attached to the support housing is a lift plate, containing a guide hole and an adjustable chain, for securing a ... | 01/22/1991 |
| 4932481 | Roof bolt drill support A mining roof bolt drill feed mechanism whereby the drill is supported on a horizontal pylon extending from an elongate slot in a vertical box section inner strut. The inner strut telescopes within an outer box section strut with an aligned elongate slot,... | 06/12/1990 |
| 4877091 | Augering apparatus and drilling rig A downcrowdable telescopic augering apparatus and drilling rig is disclosed that has a low overhead requirement and yet can drill large diameter holes ot great depths. The invention is especially useful for drilling foundation holes. One embodiment of the... | 10/31/1989 |
| 4757866 | Hydraulic drill feed units An hydraulic drill feed unit is provided having a main support frame extending from its mounting on a base plate. Single stage cylinders are located on either side of the main support frame and also extend from the base plate. A subframe adapted to travel... | 07/19/1988 |
| 4629014 | Derrick A derrick (1) for drilling and maintenance of oil and/or gas wells comprises a portal-shaped derrick structure installed on the drilling deck, consisting of an upper traverse (2) and two spaced-apart, substantially parallel, upright derrick components (3,... | 12/16/1986 |
| 4529045 | Top drive drilling unit with rotatable pipe support A top drive well drilling unit which is connected to the upper end of a drill string to drive it rotatively in drilling a well and is movable upwardly and downwardly with the string along a guide structure, and which is provided with pipe handling mechani... | 07/16/1985 |
| 4472002 | Retractable bit guide for a drilling and bolting slide The body of a bit guide assembly is mounted on a base which pivots on a frame about a first pivot point and may thus be retracted in order to allow the passage of the anchoring bolt screwed after drilling a hole. A double-acting jack has its rod pivoted o... | 09/18/1984 |
| 4407373 | Collapsible pedestal for drilling apparatus A drilling apparatus of the type including a platform, a pair of spaced, parallel, substantially vertical guide rails, and a power swivel which is guided along the guide rails is provided with a pair of space support surfaces positioned on the underside o... | 10/04/1983 |
| 4130168 | Downcrowding boom assembly A self-contained, portable, extensible boom assembly for detachable mounting on a vehicle such as on the open top box body of a truck has power driven boom actuating mechanism and downcrowding storage mechanism activated by said power driven mechanism for... | 12/19/1978 |
| 4056151 | Excavating tool An excavating tool having an auger head of conventional construction at one end of a horizontal rod with a ratchet drive for rotating said rod at the other end thereof. An outer drive tube covers the intermediate portion of said rod and a thrust washer is... | 11/01/1977 |
| 3933208 | Centralizer control An automatic control system for an adjustable, power operated drill string centralizer.... | 01/20/1976 |
