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| Number | Title | Issue Date |
| 7387173 | Pile driver A pile driver including an apparatus for allowing relative movement between a hammer and a boom of an excavator. The apparatus includes a mounting plate mounted to the boom that interfits with and is slidable with respect to a frame rail mounted to the hammer. In op... | 06/17/2008 |
| 7380611 | Rock drilling machine and rock drilling system A rock drilling machine (1) having, on a machine housing (2), a first attachment element on a first attachment side (13) for its fastening to a slide member which is movable back and forth along a feed beam, the attachment element having a conta... | 06/03/2008 |
| 7328810 | Crane supporting apparatus A crane support consisting of a steel square tubing pedestal having an apertured mounting plate fixedly attached to its upper end, and having an enlarged base fixedly attached to its lower end; an axle, the pedestal being mounting rotatably upon the axle; an auxilia... | 02/12/2008 |
| 7318491 | Apparatus and method for modified horizontal directional drilling assembly An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the assembly, a thrust frame adapted to be moved between a position substan... | 01/15/2008 |
| 7318486 | Adjustable handle for a power tool The present invention relates to a power tool comprising a housing, an output shaft driven by an electric motor for driving a working piece and an adjustable handle. An elongate supporting wall of the housing extends slantwise downwardly from a rear end of the housi... | 01/15/2008 |
| 7281591 | Electrical connection for a power tool A power tool (2) has a handle (6) and a tool body (4) pivotably coupled to the handle (6) by a pivot (76, 78, 102, 104). A motor (16), mechanically coupled to a rotary output (20), is housed in the tool body (4). A trigger s... | 10/16/2007 |
| 7231989 | Drilling control arrangement A method and a control system for controlling rock drilling. A control unit of a rock drilling apparatus is provided with one or more control modes, each determining the drilling variables to be measured, their threshold values and the operating principles according... | 06/19/2007 |
| 7032686 | Drilling and bolting head for a bolting machine The drilling and bolting head (7) of compact structure, is designed for use in mine galleries of small height. It comprises: a transverse table (8) connected to the carrying vehicle, preferably with a device (9 to 12) for lifting this tab... | 04/25/2006 |
| 7004262 | Electric fence post installer An electric fence post installer comprising a wheeled frame having a first upstanding support extending upwardly therefrom. A generally horizontally disposed boom arm is rotatably mounted on the upper end of the first support and has a carousel support secured to th... | 02/28/2006 |
| 6945336 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 09/20/2005 |
| 6938706 | Power tool provided with a locking mechanism A power tool (2) has a first body (6), a second body (4) connected to the first body (6), and a locking mechanism. One of the bodies (4;6) is moveable with respect to the other body (4;6). The locking mechanism is capable of... | 09/06/2005 |
| 6938703 | Automated post driver A post driving apparatus includes a chassis having a longitudinal axis and a frame carried by the chassis. The frame includes an upper support member having an axis of elongation substantially perpendicular to the longitudinal axis of the chassis. A post magazine is... | 09/06/2005 |
| 6889777 | Implement for driving posts A post driving implement for use with a vehicle, such as a tractor or a skid loader, is disclosed. The post driving implement is comprised of a hammer, a hammer channel, and a hammer cylinder. The hammer travels longitudinally within the hammer channel and is lifted... | 05/10/2005 |
| 6871710 | Rotational float for rotating equipment A rotational float system (44) that is meant to be used with existing side load protection systems and that may be selectively operated to permit a digger derrick rotation motor (20) or other rotatable equipment to freely rotate toward a side load to e... | 03/29/2005 |
| 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 |
| 6793024 | Rock drilling rig A rock drilling rig has a carrier (1) provided with a service platform (7) arranged on a service boom (6). The service boom has a number of relatively movable boom sections (33, 36). The service platform (7) is connected to the ser... | 09/21/2004 |
| 6698529 | Translating turret rock bolter A rock bolter has a turret assembly having a positionable base. The base slidably and rotatably engages a cylindrical member on which a feed track support is affixed. A jack rotatably and slidably engages the cylindrical member, but cannot translate with ... | 03/02/2004 |
| 6672805 | Systems and methods for driving large diameter caissons A system for driving a large diameter caisson into the ground, comprising a crane assembly, a plurality of vibratory devices, a clamp assembly, a suspension assembly, and a timing system. Each vibratory device generates a vibratory force. The clamp assemb... | 01/06/2004 |
| 6591919 | Automated post driver A post driving apparatus includes a chassis having a longitudinal axis and a frame carried by the chassis. The frame includes an upper support member having an axis of elongation substantially perpendicular to the longitudinal axis of the chassis. A post ... | 07/15/2003 |
| 6349777 | Post driver having adjustable legs A post driver which is mounted to the three-point hitch of a tractor is provided with a support to reduce wobble of the post driver during operation and to facilitate mounting of the post driver to the tractor's three-point hitch. The post driver has a ca... | 02/26/2002 |
| 6257350 | Multiple position staking system for a horizontal directional drill A multiple position stakedown assembly for a horizontal directional drill machine which installs stakes into the ground in a variety of different locations with a single drive head. The stakedown assembly includes a vertical tower that is rotatably mounte... | 07/10/2001 |
| 6076615 | Multi-linked working boom for working machine The present invention is directed to a multi-linked working boom for a working machine which carries at the other end a hydraulically maneuverable and hydraulically driven working equipment, where the boom comprises a first pair of link arms which is conn... | 06/20/2000 |
| 6009957 | Arrangement in a feed beam of a rock drill In the arrangement, a feed beam made of an aluminum profile comprises a slide guide frame, whereby the outer surface of the slide guide frame and respectively, the inner surface of the slide guide are shaped and dimensioned in such a manner that when the ... | 01/04/2000 |
| 5533581 | Electric hand tool, in particular drill In an electric hand tool, particularly a drill, with a housing, an electric motor which is received in the housing and has a motor shaft parallel to the housing axis, and with a work spindle which is driven by the electric motor via a transmission gearing... | 07/09/1996 |
| 5490568 | Tractor-mounted stake driver A tractor mounted stake driver provides a mechanical/hydraulic system to drive a plurality of stakes into the ground simultaneously, with provision for stake separation adjustment. The apparatus includes a tractor and a front stake driving assembly includ... | 02/13/1996 |
| 5396964 | Apparatus and method for processing soil in a subterranean earth situs An apparatus for processing soil in a subterranean earth situs. The apparatus includes a parallelogram spotter or positioning portion with a drilling table support portion connected thereto. A rotary drilling table is mounted on the drilling table support... | 03/14/1995 |
| 5377767 | Hole digger A hole digger assembly which includes a truck, a turntable on the truck, a boom mounted to the truck via links, cylinders between the links and the turntable and between the boom and the turntable for moving the boom, a drill mechanism which is mounted to... | 01/03/1995 |
| 5111888 | Hammer-swinging mechanism Mounting for a swingable suspension of a cutter hammer to a boom or the like which is tiltable about a horizontal axis, with the cutter hammer being floatingly suspended and swingable transversely to the tilting plane about an axis which extends in the ti... | 05/12/1992 |
| 5038871 | Apparatus for supporting a direct drive drilling unit in a position offset from the centerline of a well Drilling equipment including apparatus for laterally moving a direct drive drilling unit to a position offset from the centerline of a well. The drilling equipment includes a traveling block suspended for generally vertical travel within a derrick during ... | 08/13/1991 |
| 5007492 | Safety stabilizer for auger A safety stabilizer for an auger having a screw, and an engine, and handles, and having two stabilizer legs, swingable upper joints on each leg, and anchors on the lower end of each leg.... | 04/16/1991 |
| 4961468 | Multi-function control actuating mechanism A multi-function control actuating mechanism for a roof drilling and bolting machine includes an actuating rod having a first end and a second end. The actuating rod is of a predetermined length and is mounted for movement in a longitudinal direction. A s... | 10/09/1990 |
| 4890680 | Machine for working rock, especially a block drilling machine A machine for working rock, especially a block drilling machine, comprising at least one working tool, especially drilling tool. The drilling unit comprising the drilling tool is adapted to be connected to a supporting means in such a way that it has thre... | 01/02/1990 |
| 4838615 | Apparatus for excavating a recess Apparatus for excavating a tunnel of generally quadrilateral cross-section, the apparatus comprising a cutting head having the head being mounted for rotation about a first axis and a second axis to change the angle of inclination of the cutter. The cutte... | 06/13/1989 |
| 4809788 | Mast assembly for percussive and auger drilling A drilling mast assembly (20) mounted on a vehicle (24) for operation in a vertical position and comprising an elongated main mast (44), a secondary mast unit (46) swingably mounted on the main mast (44) for movement from a locked position aligned and con... | 03/07/1989 |
| 4640369 | Slide bar mining bolting machine A mine bolter machine has a main body supported by wheels and a main drill system structure forward of the main body. The main drill support is transversely movable relative to the main body and supports a first and second drilling mechanism. The first dr... | 02/03/1987 |
| 4638871 | Earth drill rig In an earth drill rig wherein an upwardly and downwardly moving drill-string-turning rotary table is rotated by a kelly bar connected at its lower end to a vertical drive shaft, the kelly bar being journaled for rotation in and the rotary table being moun... | 01/27/1987 |
| 4602688 | Device for performing remotely-manipulated maintenance work in a shielded cell The invention is directed to a device for performing remotely-manipulated intenance work with a motor-driven tool such as an impact wrench or the like on conduits and process components arranged in a shielded, radioactively-ladened cell. The device includ... | 07/29/1986 |
| 4572303 | Machine for extracting, rough shaping and squaring blocks of stones, marbles and granites, particularly in quarries The machine comprises an automobile vehicle provided with a pivoting boom to which is pivotably mounted a beam carrying a pivotally mounted swingle-bar to which is coupled a rotary plate for supporting a frame provided with guiding uprights for a sawing u... | 02/25/1986 |
| 4561506 | Pivoting driver with changeable bits A universal driver tool pivotable into a plurality of angular positions is disclosed for use by a computer controlled robotic manipulator. Improved mechanism for connecting the driver tool to the pneumatic system of the robot is disclosed as is a techniqu... | 12/31/1985 |
| 4544176 | Tractor mounted hydraulic control mechanism for an earth working tool A control mechanism for selectively positioning an upright earth working tool carried by a portable vehicle having a source of pressurized hydraulic fluid. The control mechanism includes a shaft rotatably carried on a horizontal base plate at the front en... | 10/01/1985 |
