Abstract: Appropriate control is performed in accordance with the state of a power tool and/or a dust collection attachment. A dust collection system for a power tool includes a hammer drill to hold a bit, a dust collection attachment connected to the hammer drill, and a dust collection controller that controls the operation of the hammer drill and/or the dust collection attachment in accordance with the specifications of the hammer drill and/or the dust collection attachment.

Abstract: A method and apparatus for supplying non-hydraulic power to a tool unit during well operation. A top drive supplies power to a power consumer of the tool unit with a non-hydraulic power supply: a mechanical power coupling from the top drive to the tool unit, a wireless power coupling from the top drive to the tool unit, a local power supply on the tool unit, and/or combinations thereof. The non-hydraulic power supply may be capable of supplying at least 2 kW for at least 10 s. The system may include a fixed gear coupled to the top drive, a slewing ring meshed to the fixed gear, and a revolving gear meshed with the slewing ring and coupled to the tool unit. The slewing ring is configured to transfer rotational force from the fixed gear to the revolving gear, and may be rotated by rotating a torque shaft or actuating the fixed gear.

Abstract: In one embodiment, a coupling system for a top drive and a tool includes a housing of the top drive having a bore therethrough, an adapter of the tool, a latch member at least partially disposed within the housing and radially movable between an extended position and a retracted position, wherein the latch member is configured to longitudinally couple the housing to the adapter, and a lock member at least partially disposed within the housing and longitudinally movable relative to the housing, wherein the lock member is configured to move the latch member between the extended and the retracted positions.

Abstract: In one embodiment, a coupling system for a top drive and a tool includes a drive stem of the top drive configured to transfer torque to the tool, a key disposed on the drive stem and movable to an extended position, an adapter of the tool configured to receive the drive stem, a key recess disposed on the adapter and configured to receive the key in the extended position, and a biasing member configured to bias the key towards the extended position.

Abstract: A method and system for coupling a drive unit to a tool adapter includes joining a first plate to a second plate; stabbing a stabbing member of the first plate into a hollow of the second plate; and rotating a bar of the second plate from an open position to a closed position to secure the stabbing member in the hollow. An embodiment includes positioning the tool adapter below the drive unit; stabbing a coupling head into a coupling recess; moving a fixation ring vertically; and securing bolts of the drive unit in notches of the coupling head.

Abstract: A completion system and method adapted for use in wells having long lateral boreholes includes a mast assembly, a pipe handling mechanism, a pipe arm, a pipe tub, a pump/pit combination skid, a rig carrier, and a control system. The mast assembly can extend in a generally vertical direction, e.g., perpendicular to the rig carrier and/or the earth's surface, such that the rig can be placed directly adjacent to a wellbore, and the top drive or a similar drive system can be engaged with and move along the mast while remaining above the wellbore. The top drive can be engaged with a support fixture that resists torque and rotation during operation. The support fixture can in turn be engaged with the mast to transfer torque forces to the mast while being vertically movable along the mast to enable positioning of the top drive.

Abstract: A device for supplying a rinsing medium to a tool of a hammer drill and a hammer drill. The device includes at least one of a rotatable and axially displaceable drilling tool holder having at least one supply channel for the rinsing medium, a transfer part interacting with the drilling tool holder, a housing, a feeder structured and shaped essentially in an axially symmetrical manner, and a holding part with a rinsing medium inlet. The feeder and the holding part are arranged as a connected component, and friction bearings are arranged on both sides of the feeder and arranged toward the drilling tool holder. The holding part is structured to be radially displaceable within limits via bending with respect to at least one of the housing and a fixing ring connected to the housing, but positively fixed tangentially.

Abstract: A drilling device and method with a drill rod which can be driven in a rotating manner and has an internal line, a support rope, a rotary joint between the drill rod and the support rope and has a holding member which is in connection with the support rope and a rotary member which is in connection with the rotatable drill rod, a line and a rotary feed-through which is designed for the passage of fluid and/or data between the line and the internal line of the drill rod, wherein the rotary feed-through has a rotor connected to the drill rod and a non-rotating stator, to which the line is attached. Provision is made for the support rope to be designed in a torsion-proof manner and for a rigid connecting element to be arranged as a torque support between the stator of the rotary feed-through and the torsion-proof support rope.

Abstract: A guide dolly for a drilling rig, the guide dolly having: a first dolly engagement roller assembly that is to move in parallel with a drilling mast of the drilling rig. The guide dolly also having a first dolly arm pivotably connected to the first dolly engagement roller assembly. The first dolly arm is configured to attach to a top drive of the drilling rig. A movement of the first dolly arm is to change a position of the top drive over a drilling location.

Abstract: A top drive assembly having a top drive traveling block; a retracting guide dolly for use with the top drive traveling block and top drive operably by a master control system to hydraulically operate all of the top and bottom dolly arms simultaneously to extend and retract the top drive and top drive traveling block laterally and move the dolly as needed based on signals from a plurality of sensors disposed on the drilling rig, or on equipment adjacent the drilling rig.

Abstract: The invention relates to an arrangement designed to be inserted in a cavity (19) in a front part (14) of a rock drilling machine with a shank adapter (16). The arrangement comprises a cartridge (1) with a flushing head (2) and a guide (3) coaxially arranged to create a longitudinal channel (5) designed as a passage for the shank adapter (16).

Abstract: A device for the extraction of processing products includes a double-walled extraction hood, which has a first inner housing part and a second outer housing part arranged at a distance from the first inner housing part. The two housing parts are arranged coaxial with each other and partially within each other in such a way that an air channel is formed between the two housing parts. The air channel has a front end that can be aligned with the workpiece and a rear end opposite the front end. A flow directed from the front end to the rear end can be created in the air channel. The extraction hood, in particular the inner housing part of the extraction hood, is designed to accommodate at least part of the processing device and can be connected thereto.

Abstract: A hand-held power tool is equipped with a dust extraction device which includes a dust box for holding dust. A closing flap is arranged in a tube section which lies in the flow path to the dust box, and this closing flap can be adjusted between the closed position and the open position. The closing flap is pivotably held in the region of the inner wall of the tube section and can be opened in the direction of the dust box. In the closed position, the closing flap bears against a stop which protrudes into the tube section, extends at an angle with respect to the direction of flow through the tube connection piece, and forms a stop line or stop area against which the closing flap correspondingly bears.

Abstract: An attachment for dust collection for cutting machining includes a rotation mechanism and a dust collection enclosure for enclosing at least part of a tool. The dust collection enclosure is rotatably configured by being fixed to the rotation mechanism. A gap for checking a machining state is provided in the dust collection enclosure.

Abstract: The present invention is generally directed to an oscillating power tool system. The tool system may include an oscillating power tool. The oscillating power tool may include a housing and a clamp assembly for coupling a tool accessory to the housing. The system may also include a dust collection accessory. The dust collection accessory may include a clamp for coupling to the housing and a dust collection apparatus coupled to the clamp for receiving dust generated by the tool accessory. The present invention is also generally directed to a dust collection accessory for a power tool. The accessory may include a clamp for coupling the accessory to a body of the power tool. The accessory may also include a dust collection apparatus coupled to the clamp for receiving dust generated by the power tool.

Abstract: A drive apparatus for a drill stem of a de-coking system is disclosed. The apparatus includes a feeder as water supply to the drill stem. The drill stem is rotatably driven by a rotational drive which includes a motor and a first and second gear box. The second gear box has an output gear which is meshed with a large gear which is connected to an outer gear rim of the feeder. A skirt envelops the gear which is formed by an output gear and by the second motor driven gear box and the gear which is connected to the feeder completely. A lower side of the skirt is open.

Abstract: A device for supplying a rinsing medium to a tool of a hammer drill and a hammer drill. The device includes at least one of a rotatable and axially displaceable drilling tool holder having at least one supply channel for the rinsing medium, a transfer part interacting with the drilling tool holder, a housing, a feeder structured and shaped essentially in an axially symmetrical manner, and a holding part with a rinsing medium inlet. The feeder and the holding part are arranged as a connected component, and friction bearings are arranged on both sides of the feeder and arranged toward the drilling tool holder. The holding part is structured to be radially displaceable within limits via bending with respect to at least one of the housing and a fixing ring connected to the housing, but positively fixed tangentially.

Abstract: In some embodiments, an apparatus [100] and a system, as well as a method and an article, may operate to transmit downhole data in a drilling fluid via fluid pressure modulation, and receive the downhole data at a fluid pulse receiver included in a conduit [104] coupled to a drill pipe downstream from a Kelly hose. Other apparatus, systems, and methods are disclosed.

Abstract: A power tool comprising: a body (103); a dust catching attachment (120) attachable to the body (103); an engagement mechanism portion (151) which engages the body (103) with the dust catching attachment (120); and a spacing member that biases the body (103) and the dust catching attachment (120) in a state that the body (103) and the dust catching attachment (120) are engaged to each other by the engagement mechanism portion (151).

Abstract: A machining tool comprises a frame mounting an extendable yoke slidable with respect to the frame in a first direction through one or more mounting pillars. A tool motor is mounted on the yoke. A drive mechanism for the yoke is also mounted in the frame, with a drive motor to drive the yoke drive mechanism. A belt is between pulleys on the drive motor and mechanism to transmit drive between them. A rotatable sleeve is around the tool motor and on which sleeve the belt engages on opposite sides of the tool motor, whereby the tool motor can extend between the drive motor and mechanism, thereby resulting in a compact arrangement of the tool.

Abstract: It is an object of the invention to provide a technique that contributes to further improvement of an impact tool. A representative impact tool includes a motor, a tool body that houses the motor, a dynamic vibration reducer and a driving mechanism part that is driven by the motor and forcibly drives the dynamic vibration reducer by applying an external force other than vibration of the tool body to the dynamic vibration reducer, during hammering operation. At least one of the dynamic vibration reducer and the driving mechanism part is mounted to the tool body in a form of an assembly into which at least one of a plurality of component parts forming the dynamic vibration reducer and a plurality of component parts forming the driving mechanism part are assembled in advance.

Abstract: It is an object of the invention to provide an effective technique for reducing adverse effect of a dust suction device on the operability of a power tool, in the power tool which can suck dust generated during operation. The power tool has a motor 111 and a tool body 103 that houses the motor 111. A tool bit 119 is coupled to a tip end region of the tool body and driven by the motor 111 to perform a predetermined operation. The power tool further includes a dust suction part 151 through which dust generated during operation by the tool bit 119 is sucked and which covers at least a tip end of the tool bit 119, a dust transfer passage 153 through which the dust sucked into the dust suction part 151 is transferred and which is partly disposed within the tool body 103, and a dust discharge port 174 through which the dust transferred through the dust transfer passage 153 is discharged to the outside. Further, the dust discharge port 174 is disposed on the opposite side of the motor 111 from the tool bit 119.

Abstract: A hammer drill includes a dust collector engaged with a housing by sliding. An engagement protrusion, which can engage and disengage with a rear engagement recessed portion provided on a guide groove of the housing, is provided at a position where the dust collector engages with the housing and biased in the direction of engagement with the rear engagement recessed portion. A front engagement recessed portion is also provided on the guide groove, and can engage with the engagement protrusion at a slide position of the dust collector in front of the engagement position. By engaging the engagement protrusion with the front engagement recessed portion, the dust collector can be fixed to the housing even at the slide position.

Abstract: A hammer drill is provided with a connector equipped with a female terminal, movably between a connection position where the female terminal is located inside a plug-in port and a non-connection position where the female terminal is in retreat from inside the plug-in port. The hammer drill is also provided with a torsion spring that urges the connector toward the non-connection position. The connector is provided with a shutter portion that is located inside the plug-in port to close the plug-in port at the non-connection position and is in retreat from inside the plug-in port at the connection position. A dust collecting device is provided with a press rail that comes into abutment on the connector to move the connector to the connection position against the urging of the torsion spring as the dust collecting device is mounted.

Abstract: An external water delivery system includes a water box front head, a collet configured to interface with the water box front head, a polymer sleeve configured to be positioned between the water box front head and the collet, a shank, and at least one seal positioned within the sleeve. The sleeve and seals are configured to provide a water chamber when coupled to the shank. An inner of the sleeve provides a bearing surface for the shank.

Abstract: Cleaning implement apparatus for cleaning boreholes formed within various different substrates, such as, for example, concrete slabs, concrete blocks, bricks, or the like, comprises a first embodiment for use within a power-operated tool, such as for example, a roto-hammer type power tool for drilling boreholes within concrete or brick substrates, while a second embodiment of the apparatus comprises a manually-operated tool. The first embodiment comprises a bit member having a slotted drive shank (SDS) connection for mounting within the chuck mechanism of the roto-hammer type power tool. In this manner, the same roto-hammer type power tool can be used for both drilling the borehole within the substrate as well as for cleaning the borehole by exchanging the cleaning implement for the drill bit.

Abstract: A rock drilling machine includes a sleeve having openings surrounding a portion of a lubrication channel. A groove surrounds the sleeve, and one end of a second channel is connected to the groove. The other end of the second channel is connected to a lubrication point so that lubricant from the lubrication channel is distributed from the lubrication channel, through the sleeve and groove to the second channel, and from the second channel to a lubrication point of the rock drilling machine.

Abstract: A dust suction module includes a plurality of bearing surfaces (2, 2?, 2?) with which the dust suction module (1) is mountable on an associated hand-held power tool (3), an air filter (4), a rotatable suction wheel (5), a plurality of opening outwardly, air discharge openings (6), and a plurality of opening outwardly, auxiliary discharge openings (7) formed in at least one of the plurality of bearing surfaces (2).

Abstract: A support for supporting a power tool (3) on a displacement carriage (2) and including an attachment element (7) for connecting the power tool (3) with the carriage (2), and a bolt insertable into an eyelet (8) of the power tool (9) for releasably connecting the attachment element (7) with the power tool (3) with the bolt (6) having axial and radial conduits (12, 13) communicating with an outer cylindrical surface of the bolt (6), so that predetermined position of the bolt (6) in the eyelet (8), a drilling fluid can be delivered through the bolt (6) to fluid conduits (4) of the power tool (1).

Abstract: An electrical hand operated tool driving device (1), such as a hammer drill, a combination hammer or a chipping hammer, has an electropneumatic striking mechanism (2), for which a cooling medium (8), for cooling the striking mechanism (2), flows through a liquid-tight cooling medium duct (10, 11, 12, 13), which is disposed in a housing (7) of the tool driving device (1).

Abstract: A scrap removing and tool cooling device includes a cooling air conduit adapted to be disposed in a housing of a machine tool and extending in an axial direction parallel to a tool spindle of the machine tool. The cooling air conduit includes an inlet formed in the housing for introducing cooling air therein, and an outlet passing through a front end wall of the housing. A hood member includes a rear surrounding wall engaging the front end wall of the housing and extending to surround and be spaced apart from a front holding end of the tool spindle with a first distance so as to cooperate with the front end wall to define a chamber to communicate with the outlet, and a front surrounding wall extending forwardly from the rear surrounding wall and surrounding and spaced apart from the front holding end with a second distance smaller than the first distance so as to cooperate with the front holding end to define a blowing outlet to communicate with the chamber.

Abstract: The drive head assembly for a drilling machine includes a drive head body having a cavity with an upper portion and a lower portion. A bolt is located in the upper portion of the drive head body cavity, and a collet is located in the lower portion of the drive head body cavity. The collet also includes a cavity. A collet insert is located in the collet cavity, and the collet insert has a drill string opening to fixedly secure a drill string.

Abstract: An improved rotary drill head assembly including a drill head cover having an upper portion, a rotatable drill retaining socket having an outer surface and a support member having an upper portion. The socket extends above the support member. A flinger attached to the upper portion of the support member and having an axial passage extending therethrough, a top cap having an axial passage extending therethrough. An arrangement for attaching the flinger to the top cap including a pin received by one of the flinger and the top cap. A top plate attached to the top cap. The top plate includes an arrangement to protect the pin from the outside environment and to hold the pin in place against axial movement. A sealing arrangement between the upper portion of the drill head cover and the flinger. The flinger, top cap, top plate and upper portion of the drill head cover may be coated with a ceramic material.

Abstract: A drilling device including a hydraulically actuated drive for exerting an oscillatory action on the drive including the drive element, inserting device for hoses conducting a working medium to a pressure-actuated hammer mounted on a front end of the rod and the flushing head at an oscillation angle ranging between 180.degree.-360.degree.. The flushing head is fixed oscilatorily with the drive member and both are swingable about a swivelling axis out of an alignment with the slide and the drive member is formed with a recess for selectively attaching a respective plug-in rod end of the drill rod, so that a torque produced by the drive is transmitted to the drill rod by the drive unit upon interlocking of the flushing head and rod.