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7559377 |
Construction apparatus
The invention relates to a construction apparatus comprising a mast, a slide guided in a longitudinally displaceable manner on a front side of the mast, at least one drive chain for the slide...
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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...
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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...
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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...
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7331405 |
Powered hammer device
The present invention relates to a powered hammer device including: a hammer with at least a first and a second projection; at least one translation dog adapted to engage with said projections, and...
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7198115 |
Lead alignment attachment
A construction equipment attachment for driving an object, such as a timber piles, steel piles, pipe piles, steel sheet piles, h-beam and the like, is provided. In one embodiment, the attachment...
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7052216 |
Work saver for an electric drill
A T-bracket having a pair of spaced apart arms support a housing containing a sprocket wheel and a shaft to turn the sprocket. A handle attached to one end of the shaft turns the sprocket to...
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6725946 |
Excavation apparatus
An excavation apparatus especially useful when mounted on backhoes and other lighter vehicles used in the construction industry. The excavation apparatus does not require a winch for letting out...
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6705407 |
Rock drilling and mounting frame
A rock drill includes a mounting frame to which a hammering apparatus and a rotating apparatus is arranged. The mounting frame is made maneuverable with respect to a feeding beam by means of slide...
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6481930 |
Apparatus and method for inserting and removing a flexible first material into a second material
An apparatus for inserting and removing a flexible first material into a second material ( 20 ) includes a moveable carriage ( 22 ). An adjustable clamp ( 24 ) is connected to the moveable carriage...
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6315059 |
Portable water well drill
The present invention is a portable drilling rig having a support tower. A drilling engine, mounted within a cradle, and a lift winch are attached to the support tower. A stabilizer bar is attached...
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6305480 |
Post driving and earth boring machine
A machine for driving posts, drills, large spikes, and the like work pieces into the ground, pavements, or wall structures. The machine comprises an elongated tower, a carriage, a hammer, a...
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6293359 |
Pressure control of a drilling apparatus
Apparatus for blast hole drilling includes a hammer and drill bit driven by a hydraulic drive motor outside the hole through a drill string extending along the drilled hole to the drill bit. The...
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6257349 |
Top head drive and mast assembly for drill rigs
A top head rotary drive and mast assembly for drilling which is adapted to be readily mounted on a derrick of a conventional truck, crawler or other vehicle so as to be movable from a stored...
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6234719 |
Mobile combined drilling and piling machine and method for tubular foundation with machine
A method in or relating to piling of e.g. tubular bases which are placed and, possibly, casted within a hole drilled out in earth mass in ground or the like is described. One uses a generally known...
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6227306 |
Pipe gripping device
A pipe gripping device is taught which is useful for moving pipe into and/or out of a well. The pipe gripping device includes a first set of slips for holding a pipe in a pipe light condition and a...
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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...
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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...
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6105683 |
Post picker
The most dangerous task in mechanically driving a post into the ground is initially holding the post in an upright position while it is hammered to start it into the ground. When used with mobile...
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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...
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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...
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5762148 |
Boring tool
A boring tool with two driving heads which are used to sink a casing string and a borer string includes a controllable coupling mechanism fitted between the two driving heads. A mechanism is also...
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5746277 |
Drilling apparatus
Augering device is disclosed which is useful for drilling holes in the ground at various angles under relatively low overhead or ceiling conditions. The device is suitable for mounting on a wide...
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5667021 |
Apparatus for driving grade stakes
A grade stake driver includes a frame for supporting a hammer and a grade stake under the hammer. A shuttle secured to the hammer movably mounts onto the frame to connect the hammer to the frame. A...
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5630477 |
Downcrowdable telescopic augering apparatus
A downcrowdable telescopic augering apparatus including a vehicle having a boom which carries a cradle in which a kelly tube is slidably mounted and on which a kelly winch and a service winch are...
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5601148 |
Arrangement for measuring the position of a feed beam in a rock drilling apparatus and/or measuring the position of a rock drill
An arrangement for measuring the position of a feed beam (1) in a rock drilling apparatus relative to a cradle (4) therein, or measuring the position of a rock drill (3) relative to the feed beam...
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5584603 |
Drainage wick inserting device
A device for inserting a substantially vertical drainage wick, comprising a movable frame; an inserting lance which is provided with a passage for receiving the drainage wick and corresponding with...
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5524716 |
Bi-directionally extensible tool driving apparatus
A tool driving apparatus having an elongated mast which is collapsibly mounted on a transportable supporting base therefor, wherein the mast has a movable carriage slidably mounted thereon for...
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5433279 |
Portable top drive assembly
The assembly is designed to convert a conventional land rig to "top drive". It comprises a torque track that is shipped in sections and is assembled to form a rigid track extending vertically in...
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5390747 |
Well rig lift system and a hydraulic energy-storing well rig lift system
A well rig lifting system and a hydraulic energy-storing well rig lifting system, wherein a high pressure energy-storing cylinder and a composite cylinder or cylinder group are used to carry out...
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5375664 |
Pile driver
A hydraulic pile driver (9) including a backhoe (10), a lead (30), a vibratory hydraulic hammer (38), and a winch (46), for driving pin pile or needle pile (44) into the ground. The lead (30) is...
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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...
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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...
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5294318 |
Crustbreaking assembly for aluminum electrolysis cells
A crustbreaking assembly comprising elongated rails supported on a frame and a carriage moveable along the length of the rails. A slide assembly pivotally mounted on the carriage for rotation about...
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5226488 |
Truck mounted boring system
A truck mounted boring system providing a high degree of radial and longitudinal freedom. The system provides a method of quickly setting up a boring system used for directional drilling of...
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5199507 |
Portable drilling system
A manually portable drilling system for the purpose of drilling earth bore holes. The drilling system will accommodate a lightweight drill pipe for air or mud rotary drilling, auger, or with use of...
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5188188 |
Lightweight power tools
A lightweight power tool includes a housing having a handle and an implement projecting form the housing. A drive mechanism is included as part of the housing for moving the implement relative to...
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5050688 |
Rock drill feed support
A rock drill feed support beam comprises longitudinal side plates and a base member which are formed of folded metal plate welded together to form a channel-like support beam with a substantially...
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4905777 |
Device for producing drilling holes from an angled position with respect to the drilling axis
The invention relates to a process and a device for the production of drilling holes from an angled position with respect to the drilling axis, wherein the system has a free-moving drilling support...
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4878546 |
Self-aligning top drive
A self-aligning top drive device and gimballing apparatus therefor. The gimballing apparatus provides horizontal and tilting movement to maintain alignment between a top drive and a tubular or...
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4830119 |
Top head drive cooling system
A top head drive cooling system is provided for an earth drilling machine of the type having a mast, a top head drive assembly mounted for movement along the mast, a quill included in the top head...
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4671365 |
Drill feeding and hoisting system for an earthdrill
A compact earthdrilling module for vehicle mounting includes a derrick having a conventional tophead-drive drill assembly slidably mounted thereon. The derrick includes an extendable top portion...
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4625815 |
Drilling equipment, especially for use in underground mining
The invention relates to a drilling equipment whose annular bit (4) for cutting the rock located in the deepest point of the drill hole is provided with high-pressure water-jet nozzles and is...
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4544040 |
Apparatus for driving an elongated piece into and/or out of the ground
An anvil is formed on one end of an elongated piece and the piece is driven into the ground or the like by impacting the anvil with a reciprocable ram driven by a drive mechanism that is operated...
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4503917 |
Carriage feed system
An improved drill feeding mechanism for a rock and earth drilling machine is disclosed wherein substantially all the loading forces due to the drilling and extracting operations are directed away...
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4478291 |
Drilling rig
This invention relates to a mobile drilling rig used for deep wells. The mast structure can be made considerably lighter than previously by translation of the drilling string lifting pressure...
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4458764 |
Device in rock or earth drilling apparatus for rotary drilling
A device in rock or earth drilling apparatus for rotary drilling including an axially stationary chuck (21) and an axially movable chuck (27) which is rotated by a reversible pressure fluid driven...
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4456077 |
Device for reciprocating motion of a rotating drilling body of a drilling machine
A device for reciprocating motion of a rotating drilling body of a drilling machine in the longitudinal direction of a hole drilled in rock or ground includes two cylinder-piston devices which via...
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4434860 |
Hoist pull down system for blast hole drill
A chain-type hoist pull down system for a large blast hole drilling rig is provided which includes an auxiliary tensioning mechanism to increase the tension of the pull down chain during selected...
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4399876 |
Reversing mechanism for the direction of rotation in a drilling apparatus
A mechanism for reversing the direction of rotation in a drilling apparatus comprising a feeding beam (1) and a drilling machine (3) supported by the beam for longitudinal movement back and forth...
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