Abstract: A deep-hole boring machine (100) includes a base (11) to be fitted to an upper face of a floor, a pillar (14), a fixing mechanism (40), a guide member (15), a rotary tool (17), a tool rotation driving section (16), a rising/descending mechanism (50), a guide base (60) and a tool guide mechanism (30). The deep-hole boring machine 100 can be used to bore a vertical hole or an inclined hole in a concrete in a construction site.

Abstract: An apparatus for manipulating a target includes a base which may be secured to a trolley and a hydraulic arm mounted on the base arranged for being controlled remotely by a user. The arm includes at an end distal from the base a tool coupling which is arranged to receive a variety of tools for performing work on the target object.

Abstract: An impact driver for driving elongate objects into a body has, a chassis, a ram supported by the chassis in a manner allowing rectilinear movement of the ram relative to the chassis between two limits, and a linear induction motor. The linear induction motor has a stator mounted to the chassis and positioned to operatively interact with a linear induction motor reaction member being of a conductive metal material. The reaction member is carried by the ram in a manner to allow the ram to oscillate between the two limits by the stator of the linear induction motor. A first limit being a retracted position and a second limit being an impact position to which the ram is accelerated from the retracted condition by the stator and at which the ram imparts an impact force on the elongate object in the elongate direction thereof.

Abstract: Drill rod support (10) comprising means capable of moving two opposing drill rod support halves (20), each half (20) comprising a surface (21) for direct contact with the drill string (30), and the half being provided with a recess (23) capable of forming a drill string opening (22) with an opposing drill rod support half (20), the recess (23) being generally V-shaped, for enabling guiding of drill strings (30) of different shape and dimension. The invention is characterized in that the drill rod support halves (20) are movable to and from each other, for enabling contact with the drill string (30). The invention also relates to a drill rod support half (20) for use in such drill rod support.

Abstract: The invention relates to a rotary drive assembly for a drill rod having an outer tube and an inner rod extending at least in sections inside the outer tube, comprising a first gear unit having at least a first drive unit for driving the inner rod in a rotating manner and a second gear unit, which is offset to the said first gear unit in the longitudinal direction of the drill rod and has at least a second drive unit for driving the outer tube in a rotating manner. In accordance with the invention provision is made for the second drive unit to be spaced from the second gear unit and for the second drive unit to be arranged adjacent to the first drive unit on the first gear unit.

Abstract: A method and apparatus for transporting and assembling a drilling rig is disclosed. The drilling rig of a preferred embodiment of the present invention utilizes specialized positioning pads integral to the side boxes of the drilling rig to facilitate the connection of the center drill floor of the drilling rig to the side boxes of the rig. A preferred embodiment of the present invention may also utilize a specialized positioning dolly and an adjustable fifth-wheel truck connection for transporting the mast to the drill site, assembling the mast sections together, and positioning the mast for connection to the drill floor of the rig. The result is a unique drilling rig design and sequence for assembly that significantly reduces the time required to transport the rig from location to location and to assemble the rig at the drill site.

Abstract: 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 beam and a transfer cylinder between the lower beam and the upper beam is mounted in the groove.

Abstract: In accordance with the present invention, a chain driven reciprocating hammer is disclosed. The chain driven reciprocating hammer includes a chain system for lifting a ram to a drop point. The chain system includes a plurality of sprockets and a chain with at least one mesh link to mesh with the ram. Additionally, the chain driven reciprocating hammer includes an adjustable tandem release sprocket mechanism. Also, the chain driven reciprocating hammer includes a center and clamping mechanism configured to secure a work input.

Abstract: A method and a software product for positioning a drilling unit in a rock drilling rig, and a rock drilling rig. The drilling unit (5) included in the rock drilling rig (1) is manually displaced towards a starting point (14) of a hole (19) to be drilled next. A control unit (11) in the rock drilling rig (1) performs after the manual displacement (A) an automatic positioning (B) accurately to the starting point in order to initiate drilling.

Abstract: An apparatus for forming a hole in ground (10) includes a mounting plate (60) mounted to a loader (80). A probe (11) is coupled with the mounting plate (60). Two arms (32) extend radially outward from a vertical axis and from a periphery of the probe (11). The apparatus further includes two cylinders (40) each having an upper end (42) coupled to the mounting plate (60) and a lower end (44) coupled to one of the arms (32). The probe (11) is driven into the ground along the vertical axis by movement of the mounting plate (60) by the loader (80), and an upper portion of the probe (11) is simultaneously wobbled about two axes that are perpendicular to each other and to the vertical axis by moving at least one of the cylinders (40). The probe (11) is then moved out of the ground to leave a hole in the ground.

Abstract: A pile driver is provided for use in deep water with a remotely operated vehicle (ROV) and a working ship for setting piles, pin piles and well conductors in subsea soil and for soil sampling in deep water and can be used for shallow water and land-based applications. A ram mass or hammer is received in an open frame and hydraulically reciprocated while in contact with water. A piston rod received in a piston cylinder is secured at one end to the hammer through a coupling mechanism, and an external source of hydraulic power is used with an on-board hydraulic circuit. Gas is compressed during an up-stroke to store energy, which is released during a down-stroke to push the hammer downwardly. The coupling mechanism provides a connection between the piston rod and the hammer that can move between an essentially rigid lift connection, an essentially rigid downward-push connection and an essentially non-rigid impact connection for preventing buckling of the piston rod when the hammer strikes at its lowermost point.

Abstract: Drill carriage (1) for rock drilling, which is intended for cramped spaces, comprising a crawler-tread chassis (2) of at least two crawler treads (11), a superstructure (3) fitted to the crawler-tread chassis (2), and a set of booms (8). At the end of the set of booms (10) at least a drilling apparatus (19) can be attached. A front part (4), to which the set of booms (8) is fitted from the end opposite to the drilling apparatus (19), attached in front of the carrier (1), in the direction of travel of the crawler treads (11). The set of booms (8) is attached to a rotation ring (9), with the aid of which a good reach is made possible for the device.

Abstract: A mechanical fence post driver for attachment to a lift arm of a standard front-loader which includes a mounting plate, guide tube, and roller latch assembly. The guide tube receives a tee or other fence post inserted therein such that it contacts the mounting plate. The fence post is held in place by a roller latch assembly which compresses the post against the rearward side of the guide tube. Insertion of the fence post into the ground is accomplished by lowering the lift arm while the post is held within the guide cylinder. A rotation plate assembly may be positioned between the mounting plate and guide cylinder to provide a convenient mechanism to rotate the guide cylinder in relation to the mounting plate.

Abstract: An excavation apparatus having a mast, a sled slidably mounted thereon, a sled driving system for downcrowding and upcrowding the sled along the mast, and non-rotatable but extendable kelly sections that prevent slippage of the sled on the mast. An outer kelly section is attached to the sled, and an inner kelly section is extendable therefrom and retractable therein. A bushing maintains slidable alignment of the kelly sections on the mast. The inner kelly section is automatically powered into and out of the outer kelly section a distance proportional to the distance that the sled is downcrowded or upcrowded along the mast while preventing slippage. A rotary motor, attached to the sled, rotates a telescopic shaft housed within the kelly sections. A transmission secured to the lower end of the inner kelly section increases downhole torque. A boom connector downcrowds and upcrowds the mast for additional drilling depth capability.

Abstract: A method and apparatus to move a modular drilling rig in formation wherein the drilling rig includes a plurality of self-propelled modules to facilitate the movement of the rig while all systems are intact and fully operational. The apparatus includes a plurality of wheel assemblies which are steerable to guide the modules during movement. The apparatus also includes a propulsion system for each of the modules to drive each of the modules during movement. A steering control and position feedback system is also provided for determining the relative position of each module with respect to the master module. This control and feedback system provides feedback to the steering control and feedback systems of other modules in order to move the modules in a formation.

Abstract: A method for casing drilling, a drilling unit and an adapter device. The adapter device to be used in extension drill equipment drilling comprises an inner piece which can be rotated by the rotation device of the rock drilling machine. Around the inner piece, there is an outer piece which can be moved in the axial direction with respect to the inner piece. By changing the axial position of the outer piece, it can be selected whether the rotation force is directed from the rotation device to the inner rod or to the outer tube used in casing drilling during threading.

Abstract: A valve tester suspension assembly for allowing one person to perform the tasks necessary to test underground valves includes an articulated arm attached to a mobile base such as a vehicle. The articulated arm may be biased such that the biasing assists in supporting the weight of a rotating assembly positioned at a distal end of the articulated arm. The articulated arm is pivoted to permit positioning of the rotating device in a substantially horizontal orientation at a desired position within a three dimensional space adjacent to the base to which the articulated arm is attached. A method of use is also described.

Abstract: A mechanical fence post driver for attachment to a lift arm of a standard front-loader which includes a mounting plate, guide tube, and roller latch assembly. The guide tube receives a tee or other fence post inserted therein such that it contacts the mounting plate. The fence post is held in place by a roller latch assembly which compresses the post against the rearward side of the guide tube. Insertion of the fence post into the ground is accomplished by lowering the lift arm while the post is held within the guide cylinder. A rotation plate assembly may be positioned between the mounting plate and guide cylinder to provide a convenient mechanism to rotate the guide cylinder in relation to the mounting plate.

Abstract: Systems and methods for erecting a drilling rig. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).

Abstract: The invention relates to a ground working implement, particularly for underground working, having a slide displaceable relative to a base by means of a lifting cylinder arrangement. It is on the one hand connected to the slide and on the other to the base and has two oppositely acting lifting cylinder means. A particularly compact, stable arrangement is brought about in that the two lifting cylinder means have in each case one lifting cylinder with cylinder casing, which are juxtaposed and are firmly interconnected.

Abstract: The invention relates to a construction machine, in particular a drilling and/or pile driving device, for foundation construction comprising a chassis and a leader arranged on the chassis for the longitudinally displaceable guidance of a drive head. Provision is made for the leader to be pivotable on the chassis by means of a pivot drive about a pivot axis that extends at least approximately parallel to the longitudinal axis of the leader. In accordance with the invention at least one locking element is provided which can be displaced between a first position, in which it fixes the leader around the pivot axis in a rotationally fixed manner on the chassis, and a second position, in which the leader is released. In addition, according to the invention a setting device is provided for the remote-controlled displacement of the locking element.

Abstract: An hydraulic attachment (10) adapted to be mounted to machinery or a vehicle such as a skid-steer loader (35) and having a telescopic mast assembly (11) including a first lower mast member (12) and at least one second upper mast member (13) telescopically engaged with the lower mast member (12) and at least one hydraulic actuator (15) for extending or retracting the upper mast member (13) relative to the lower mast member (12). Mounting means (34) are provided for mounting the mast assembly (11) to the loader (35) so as to be supported in use in a substantially upstanding attitude and the mast assembly (12) includes support means (22) at its upper end for supporting or carrying a tool such as an impact applying tool (23).

Abstract: 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 of the driving hammer, as well as up and down motion of the driving hammer is derived from the accessory hydraulic system and connections of the Skid Steer. Simple operating control valves, flow control valve and hydraulic hoses, and an operating station are mounted directly to the driver.

Abstract: 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 operation, the hammer is placed on top of a pile and, as the pile is driven downwardly, the hammer follows the pile. Owing to the relative movement between the boom of the excavator and the hammer, the hammer follows the pile without requiring continuous downward readjustment of the boom. In one embodiment, the mounting plate assembly does not extend substantially above the hammer frame. In another embodiment, the hammer can rotate with respect to the boom. In one embodiment, the hammer includes a ram, a cylinder for lifting the ram, and rotation-resistant cable connecting the ram and the cylinder.

Abstract: An articulated, modular, track-mounted, self-propelled, remote-controlled drilling apparatus is demountable into several heli-transportable components, including a drilling module and a drill support module, plus separate hydraulically-driven track carriages on which they are removably mountable. The track carriages are demountably coupled in tandem by a tri-axially articulated hitch mechanism incorporating a track steering mechanism. The drilling module carries a rotary drill, a hydraulic pump operatively connected to the track drive mechanisms, and a primary motor, which selectively drives either the drill or the pump. The use of multiple demountable modules reduces the weight of the components to be heli-transported, thus allowing the use of smaller and more economical helicopters.

Abstract: A system for mounting a lead assembly on a construction machine including a set of leads having a driver that is slidably mounted to the set of leads. The system further includes at least one lifting means for engaging the driver and moving the driver on the leads, and a pivotable mounting assembly mounted to the set of leads and adapted to adjust the position of the set of leads. Moreover there is a quick connecting means adapted to engage the pivotable mounting assembly and the construction machine so as to allow for the quick engagement and disengagement of the construction machine from the set of leads.

Abstract: A post driver unit includes a frame having a quick connect attachment to a front end loader vehicle in place of a bucket or for connecting the unit to a tractor using a three point hitch. The frame supports a vertical mast for rotation on a vertical axis by fluid actuated cylinder, and the mast supports an elongated boom for pivotal movement on a horizontal axis. A fluid actuated impact driver depends directly from an outer end portion of the boom by a universally supported connector member to provide the impact driver with a vertical axis, and the boom is pivoted by a fluid actuated cylinder system which provides for rapidly raising the boom and the impact driver and lowering the boom and impact driver at a controlled slower rate. The connector member may have different lengths according to the length of the post to be driven.

Abstract: An improved multi-purpose drilling machine of the type including a self-propelled vehicle to which is fitted a fifth wheel (5) that carries a support and movement unit (2) for a drilling-rod boom (4). The machine includes a system of counterweights (6) mounted on the fifth wheel (5) on the opposite side of the drilling-rod boom to the axis of rotation of the fifth wheel. The counterweights are designed to offset, at least partly, the moment created by the drilling-rod boom on the structure of the machine. In particular, the drilling-rod boom (4) is mounted at the end of an upright (3), which in turn is hinged to the fifth wheel (5) so that the boom (4) can be moved from a substantially vertical to a substantially horizontal position and vice versa, the fifth wheel (5) rotating around an axis parallel to the longitudinal axis of the machine.

Abstract: A post driver is powered by a pair of hydraulic cylinders, one on either side of the hammer to provide a balanced lifting force to the hammer. A post retaining cap is formed to provide a recess for the post. The orientation of the driver may be controlled about a horizontal axis so the post may be driven vertically without regard to the contour of the ground. The post driver is further provided with an extensible beam and foot which is extended to engage the ground and further support the driver.

Abstract: A driving assembly includes a driving device that is slidable along one or more vertical supports as the driving device drives a driving member into an object. The driving assembly may be suspended from a crane or other overhead support, whereby the vertical supports provide balance to the driving assembly and substantially maintain alignment of the driving device with the object. The driving device may slide downward along the vertical supports as the driving device drives against or into the object without requiring adjustment of the overhead support during the driving process. When the driving device has reached a lower portion of the vertical supports, the assembly may be repositioned to position the driving device at the upper end of the vertical supports and the driving process may be repeated. The driving assembly may drive grounding rods into the ground or may break up rock or concrete or the like.

Abstract: The present invention provides a device useful for boring holes into the earth, and is especially useful for drilling holes in which fence posts are to be placed. A device according to the invention is completely self-powered, having its own on-board engine which supplies all of the power necessary for the boring operation and other movements of the device associated therewith. A device according to the invention is readily removable from and attachable to a motorized vehicle equipped with a trailer hitch, and is adapted to configure itself in a retracted position for ease in storage and transportation.

Abstract: An articulated boom arm for a rock boring machine, comprising a first kinked member having a drill guide at one end and a base pivot at the other end, and a pair of pivoted links. One of said links having a first end pivoted at said base pivot, the other of the links having a drill pivotally mounted at a first end thereof. The second ends of The first and second links being pivoted to each other whereby said drill is reciprocally linearly movable along said first member with a drill bit aligned with said drill guide and at one extremity of the reciprocal movement both said pair of links are substantially longitudinally aligned and extend towards said drill guide, and at the other extremity of the reciprocal movement both said pair of links are substantially longitudinally aligned and extend away from said drill guide.

Abstract: Apparatus for boring a hole from an inside of a casing outwardly at an angle relative to a longitudinal axis of the casing comprises a drill shoe having a longitudinal axis and being positionable in the casing, the shoe having first and second passageways which converge into a third passageway exiting the shoe, a torsional load transmitting element and a cutting element connecting to one end of the torsional load transmitting element, the torsional load transmitting element and cutting element being positioned in the first passageway during non-use and in the third passageway during use, and a fluid conduit and a nozzle connected to one end of the fluid conduit, the fluid conduit and nozzle being positioned in the second passageway during non-use and in the third passageway during use.

Abstract: 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 ease operation of and prevent damage to the digger derrick (10) and to assist in the correct installation of screw anchors. The rotational float system (44) includes valve structure (46) interposed between the ports (32, 34) of a hydraulic rotation motor (20) and a control mechanism (48) for selectively opening and closing the valve structure (46). The valve structure (46) is normally biased to a closed position and the control mechanism (48) is normally open. When the control mechanism (48) is operated, it opens the valve structure (46) to connect the ports (32, 34) of the rotation motor (20) to one another.

Abstract: An interface jig for removably securing a portable auger to a vehicle includes a carriage guide assembly, a sliding carriage assembly and a receiver assembly. The carriage guide assembly includes a vertical support having an upper portion and a bottom portion. A hitch adapter is affixed to the bottom portion to secure the carriage guide assembly to a vehicle hitch receiver. The sliding carriage assembly includes a horizontal member having a first end opposite a second end. The first end Is affixed to a vertical member that slides along the vertical support between the upper portion and the lower portion of the carriage guide. The receiver assembly is attached to the second end of the sliding carriage assembly.

Abstract: 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 ease operation of and prevent damage to the digger derrick (10) and to assist in the correct installation of screw anchors. The rotational float system (44) includes valve structure (46) interposed between the ports (32, 34) of a hydraulic rotation motor (20) and a control mechanism (48) for selectively opening and closing the valve structure (46). The valve structure (46) is normally biased to a closed position and the control mechanism (48) is normally open. When the control mechanism (48) is operated, it opens the valve structure (46) to connect the ports (32, 34) of the rotation motor (20) to one another.

Abstract: A portable pipe installation/removal support apparatus for assisting in the installation/removal of a series of connectable pipe strings from a ground-level borehole. The support apparatus has a base, an upright extending from the base, and, in an exemplary embodiment, a pair of catch arms extending from the upright to define a catch platform. The pair of catch arms serves to hold an upper connector end of a pipe string at an operator-convenient standing elevation by releasably catching an underside of a pipe coupler connecting two pipe strings of the series of connectable pipe strings. This enables an operator to stand upright while coupling/uncoupling the series of connectable pipe strings during the installation/removal thereof from the ground-level borehole. Additionally, a process for installing and a process for removing a series of connectable pipe strings is disclosed utilizing such a support apparatus.

Abstract: A device and method for performing a task employing vibration of a tool. The device includes a housing containing at least one off-center weight, and the off-center weight is coupled to a motor and configured to rotate or revolve to vibrate the housing. The housing further includes a device mount to allow the housing to be removably coupled to a mount on a vehicle. A tool is removably coupled to the housing via a socket on the housing to perform a task. The housing may be coupled to a plurality of types of vehicles and is such that a plurality of types of tools may be coupled to the housing.

Abstract: A game hoist and skinner apparatus for raising game off the ground and transferring it to a vehicle includes a carriage guide assembly, a sliding carriage assembly, a load attachment means, and a raising mechanism. The carriage guide assembly includes a lower member affixed to a 360° rotating mechanism at one end and a hitch receiver adapter affixed to the opposite end. The sliding carriage assembly includes a horizontal member having a first end opposite a second end, and the first end is affixed to a vertical member that slides along a vertical support between the upper end and the bottom end of the carriage guide. A load attachment means is secured to the second end of the sliding carriage assembly.

Abstract: A tractor carries a vertically adjustable frame supporting a horizontal shaft for a supply roll of silt fence fabric. A vertical plow blade is mounted on the frame, and a vertical fin is supported directly behind the plow blade by a horizontal fabric guide bar attached to the frame. The fin receives an intermediate portion of the fabric directed around the guide bar for folding an edge portion of the fabric into a slot formed within the ground by the plow blade. The frame also supports a hydraulically actuated stake driver rearwardly of the supply roll and directly above the folded edge portion of the fabric. In one form, the stake driver comprises a vertically sliding ram having wide steps for receiving different length stakes. In another form, the stake driver comprises an impact hammer attached to a vertically and horizontally adjustable boom carried by the frame.

Abstract: 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 service boom (6) by a parallelogram mechanism (22). The service platform (7) is arranged to the side of a swing plane of the parallelogram mechanism (22) to prevent collisions between the service platform and the service boom.

Abstract: A gripping assembly mounted on an impact hammer having a longitudinally extending impact axis, the gripping assembly including a pair of opposed elongate gripping arms, having gripping end portions which may be extended and swung toward each other to grip material in the region of the working end of the impact hammer. When retracted, the gripping arms rest to opposite sides of the impact hammer to permit free operation of the impact hammer.

Abstract: The present disclosure provides a coring guide for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof using the guide. The guide includes a pair of jaws, wherein each jaw has an adapter end and a pivotable end. The adapter end of each jaw includes a cavity that faces a cavity included in the adapter end of the other jaw, such that the closed jaws form at least a major portion of a cylindrical coring cavity that accommodates a coring rod. Each jaw includes means for fixing the rod guide within a mine roof bolter apparatus such that when the coring guide is positioned between the jaws and the jaws are partially closed such that they enclose the coring rod, the roof bolter causes the coring rod to penetrate the mine roof and obtain a core sample.

Abstract: 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 and retracting its cable nor a reel for storing retracted cable which reduces the weight of the excavation apparatus, lowers its cost while facilitating both operation and servicing. The apparatus has a kelly assembly housing which houses an outer kelly section, and an extendable innermost kelly section adaptable for attachment of a tool. More than one extendable kelly section can be used. A rotary table rotates the kelly sections. A support structure supports the rotary table and the housing. A frame allows the housing to slide relative to the frame in a direction parallel to the axis of the assembly. A downcrowd mechanism, supported by the frame, downcrowds the support structure relative to the frame.

Abstract: A device and method for performing a task employing vibration of a tool. The device includes a housing containing at least one off-center weight, and the off-center weight is coupled to a motor and configured to rotate or revolve to vibrate the housing. The housing further includes a device mount to allow the housing to be removably coupled to a mount on a vehicle. A tool is removably coupled to the housing via a socket on the housing to perform a task. The housing may be coupled to a plurality of types of vehicles and is such that a plurality of types of tools may be coupled to the housing.

Abstract: A drilling rig (10) having a boom (12) supporting a leader (36). The leader (36) is pivotally attached to the boom and is moveable between a generally upright orientation and a generally horizontal orientation for the purposes of transportation by a vehicle (11). Hydraulic rams (33) cause linear movement of the leader relative to the boom while the hydraulic ram (33) causes tilting of the boom about a generally horizontally axis.

Abstract: A hammer mounting apparatus includes a main frame having a front face and a rear face. A slide assembly is connected to the front face of the main frame. The slide assembly includes two elongated guides having an upper and lower end, stops, two elongated followers shorter in length than the guides and a slide. Each guide is bordered on its upper and lower end by a stop, the guides are positioned about the followers and the followers are rigidly connected to the slide. A tool mounting clamp is connected to a face of the slide of the slide assembly. A mounting flange is connected to the rear face of the main frame. Two tool handle mounts are also connected to the main frame.

Abstract: A rock drilling rig has a carrier (1) provided with a service platform (7) which is arranged on a boom (6). The carrier (1) is provided with a four link mechanism (8) which is swingable in a plane perpendicular to the longitudinal direction (2) of the carrier. The boom (6) is swingably arranged on one link (9) of the four link mechanism (8) and arranged at a distance from the carrier (1).

Abstract: A slim, trim and lightweight, yet strong, auger/vehicle interface jig designed for securing an earth or ice type auger to any vehicle, including All Terrain Vehicles (ATV's) and snowmobiles, for the purpose of transporting, stabilizing and operating the auger while attached to the vehicle. The auger/vehicle interface jig includes a carriage guide assembly designed specifically to mate with a standard after-market square tubular style vehicle hitch of the said vehicle, requiring no additional customized securing and stabilizing bracketry. The auger/vehicle interface jig also includes a sliding carriage assembly, an assisted means for moving the sliding carriage assembly vertically up and down during the hole drilling process and a sliding carriage assembly locking means for securing the sliding carriage assembly to the carriage guide assembly during long distance transportation.

Abstract: 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 indexingly supported by the frame and, a post driving assembly is suspended from a portion of the upper support member for reversible travel therealong so as to laterally position the post driving assembly from the chassis. The post driving assembly includes a post driver adapted to retain a post supplied from the post magazine, the post driver adapted to continuously drive such post.