Abstract: A debris shield for a rotary tool or machine for collecting debris generated while cutting or drilling holes in a work surface has a debris collection housing having a top structure, side walls depending from said top cover structure to form a debris collection chamber, an open bottom with a surface contact rim, and a compression axis extending through the housing's top structure and bottom opening. In one aspect of the invention, the debris collection housing is a bellows housing with a vacuum port, and has a shank-holding and vent assembly in top structure of the bellows housing for receiving and rotatably holding the shank of a rotary surface working implement such as a drill bit, spade bit or hole saw.

Abstract: An electrical discharge machining (EDM) tool and method for removing tack welds on a component in a reactor pressure vessel are disclosed. The tool may include a motor, a housing which engages the component having tack welds, an electrode, positioned in the housing, a first plate, and a second plate attached to the electrode. The second plate actuates to align the electrode to the tack weld, and the electrode is discharged to remove the tack welds from the component.

Abstract: An electrical safety device for use within an electrical circuit panel box and other electrical cabinetry is constructed of a tubular, transparent sleeve having a first and a second end. One end has a removable cap and the other end is provided with a means for attaching the sleeve to the interior wall surface of the electrical panel box or other electrical cabinetry. The safety device functions to catch the metallic waste material that is generated when the wall of the panel box or cabinetry is drilled to add other conduits to the panel box so that it does not penetrate any of the electrical components or wiring within the panel box. The safety device also functions to isolate the drill bit from contact with the components within the panel box. The removable cap facilitates emptying of the sleeve after use.

Abstract: A technique for allowing a user to operate an operating member disposed in a front end region of a power tool in the state in which a dust collecting attachment designed to be attached to the front end region of the power tool is left attached to the power tool. The dust collecting attachment is used on a power tool having an operating member for removal and/or bit angle setting of a tool bit coupled to a front end region of a tool body. The dust collecting attachment has a dust collecting member which can be attached to the front end region of the tool body. The dust collecting member has an opening formed in a region which faces the operating member in the state in which the dust collecting member is attached to the tool body, and the operating member can be operated by user's finger through the opening.

Abstract: It is an object of the invention to provide a technique that contributes to rationalization of dust collection, in a dust collecting attachment for use on a power tool. Dust collecting attachments 250, 350 are used on a power tool 201 having a tool body 203, a tool bit 209 which can be coupled to a front end region of the tool body 203, and an auxiliary handle 208 attached to the tool body 203. The dust collecting attachments 250, 350 include dust collecting members 251, 351, respectively, which can be attached to the auxiliary handle 208 in such a manner as to surround the front end region of the tool body 203 around a longitudinal axis of the front end region in order to collect dust generated during operation by the power tool 201, and a connecting hose 273 for connecting the dust collecting members 251, 351 to a dust collector.

Abstract: A drill has a housing formed with an outlet hole, a fan expelling an air stream from the outlet hole, a drive spindle projecting from the housing adjacent the outlet and centered on and rotatable about an axis, and a chuck body carried on the housing. A tightening sleeve rotatable about the axis on the chuck body carries a plurality of radially shiftable jaws, and interengaging screw formations operatively engaged between the body and the sleeve can shift the jaws radially in the guides on rotation of the sleeve relative to the body. A shield sleeve angularly fixed to the housing and surrounding the tightening sleeve has a rear end juxtaposed with the housing radially outside the outlet hole such that the air stream enters the shield sleeve. Inside the shield sleeve forward of its rear end a passage and a particle-expelling hole collect drilling particles and blow them out the particle-expelling hole.

Abstract: A dust catcher has a contact element configured to catch abraded material that is produced by a power tool on a workpiece, and the contact element includes a handgrip element for holding the contact element on the workpiece.

Abstract: The invention relates to a water collecting device (30) intended for a core drilling unit (1) that comprises a drilling machine including an electric drilling motor (6), a machine housing (3) with an output shaft (9), that can be composed of many sections, a core drill (4) connected to the machine shaft and means to supply cooling water, as required, to the cylindrical inner part of the of the core drill via the machine shaft (9). The water collecting device (30) comprises a vessel (31) with a bottom (32) and a side wall (33), the bottom (32) positioned below the core drill (4), the vessel (31) arranged to collect spent water as well as drill cuttings from the core drill (4), the vessel (31) further comprising at least a draining duct (58) for drainage of spent water as well as drill cuttings from the vessel (31). The invention also relates to the core drilling unit equipped with the water collecting device.

Abstract: The present invention provides a hot tap machine having independent speed drives for the center drill and the holesaw that can be remotely operated. The hot tap machine of the present invention also has improved vibratory damping and coupon stability and retention. During operation, the machine cartridge holding the machine internal assemblies of the hot tap machine of the present invention is, except for its controls and external support systems, entirely contained within its pressure containment housing which is sealingly attached to the hot tap fitting on the pipe. An advantage in the operation of the present invention is the independence of the center drilling operation and the pipe coupon cutting operation.

Abstract: The invention provides a machining apparatus, and its machining method, having machining tables whose weight do not increase so much even if a number of machining sections such as spindles is increased. One of the machining tables is a rectangular stationary table having a groove in the direction perpendicular to the longitudinal direction on its surface and the other is a rectangular movable table engaged with the groove. The machining apparatus machines a printed circuit board, whose area is larger than that of the movable table, on a mounting surface of the stationary table by changing position of the printed circuit board by moving the movable table and by determining machining position by moving a spindle at position facing the mounting surface of the stationary table.

Abstract: A well bore fluid recovery system and method is disclosed for recovering a column of well bore fluid within a stand of casing before cutting the casing. The recovery system relates to a system for preventing fluids from being spilled when casing is being finished for a well bore. After being run the casing must be cut and finished at an appropriate level to install rig equipment such as blow out preventers along with other equipment. However, because of earlier operations, the entire length of casing is typically filled with drilling fluid. Depending on conditions, the length of casing which is to be cut and removed may therefore over a 100-foot (27.4 meter) column of drilling fluid therein. The drilling fluid in this section must be properly drained before the casing is cut and removed.

Abstract: A dust collection device for use with a drill which consists of a an open ended receptacle having one end dimensioned to sealingly engage the boss of the drill bit and the other end including an orifice sized to allow the drill bit to pass through there being a dust adhesive a wettable sponge attached to the external face surrounding the orifice. The sponge surface is pressed against the substrate to be drilled and the drill bit passes through the orifice and sponge. Drill dust is collected in the receptacle and the drilled hole is wiped with the sponge to collect the remaining dust.

Abstract: The invention relates to a manual drilling or milling apparatus with a suction device, especially for cutting windscreens of motor vehicles, comprising a housing fixed at the drilling or milling head in which a radial impeller is rotatably supported which can be driven by the drilling or milling head, a suction pipe which is telescopically adjustable at the housing and through which the drill or milling cutter extends, and a catchment tank connected to the housing.

Abstract: Adjustable holding systems may include a fixed or portable base with a base opening and clamp assembly. The base opening is defined by a back surface, two side surfaces, and a partial front surface. A guide assembly may be movable within the base opening when the clamp assembly is in a clamped position. The guide assembly is interlocked with the base and is securable within the base opening such that the guide assembly has infinite adjustability within the base opening. The clamp assembly may include a spring operatively coupled to the clamp follower to accommodate variations in workpiece thickness when the clamp follower is in a clamped position. Both the base and guide assembly may have an exit hole adapted to allow waste material generated during drilling to exit a drilling area. The exit hole in the base also may be adapted to serve as a chip breaker.

Abstract: A gemstone drill is of the drill press type which includes a motor suspended and slidably affixed between upstanding vertical telescoping rods. A drill bit is affixed to a spindle which is a direct extension of the motor shaft which is in parallel alignment with the rods. A body of the motor includes a cylindrical spindle housing extending downwardly from the bottom of the motor body adjacent the drill bit. The rods are extensible from tower sleeves mounted directly to a base which has a top support surface enclosed by a transparent containment cover. The door is moveable between open and closed positions to gain access to a clamping mechanism releasably attached to the support surface that holds the stone to be drilled. The containment cover, when closed, includes a circular aperture at the top which closely receives the spindle housing.

Abstract: A device for removing drill dust when drilling a hole into a wall has a base member and at least one vacuum chamber provided in the base member. At least one suction site is provided. A connector is connected to the base member and adapted to connect a vacuum unit that removes by suction at the suction site the drill dust produced by drilling. The at least one suction site and the at least one vacuum chamber are spatially separated from one another.

Abstract: A suction extraction system of an electric power tool has a housing, a cup-shaped part of the housing, a gear-containing chamber, a suction extractor for receiving air contaminated with drilling material, and a suction conduit for extracting the air by suction, the suction extractor being connectable to the electric power tool via a connection element, wherein the suction conduit is located at least partially inside the housing of the electric power tool and is sealed from outside by a self-closing closure.

Abstract: A sheet material cutting machine includes a bristle bed with generally vertically extending bristles having free ends defining a support surface for supporting sheet material to be cut and a carriage movable over the bristle bed and carrying at least one cutting tool to selectively cut the sheet material. A vacuum cleaning system provides vacuum at the carriage to remove cutting debris as the cutting tool is cutting the sheet material. Illustrated embodiments include providing the vacuum through a passage in the cutting tool and providing the vacuum through a cavity in a presser foot.

Abstract: An electric drill attachment that is designed to be mounted on a standard, portable electric drill and serve both as a depth gauge and a debris remover to remove shavings from the area surrounding a hole during drilling operations. The attachment has a looped section which is fixedly attached to a particular point of a drill bit in use with an electric drill. An elongated plate is attached to the looped section and extends both outward and downward from the looped section, with the plate acting as a sweeping device to sweep away debris and shavings from the area surrounding a hole during drilling operations.

Abstract: An improved vacuum drilling system and drill bit includes a generally hollow vacuum drill bit with one or more chip inlets arranged proximate to one or more cutting surfaces. The drill bit also includes grooves along its exterior. When the drill bit is guided by a bushing or guide hole, the grooves serve to reduce the friction therebetween. The grooves can also convey air for cooling and improved chip collection.

Abstract: A device to collect cuttings produced by a cutting tool may include a chip cutter to shear each cutting into a multiplicity of chips each substantially smaller than each cutting. The device may also include a collector to collect the chips without using suction and other air or gas pressure. The chip cutter may be disposed within the collector.

Abstract: According to the invention, a drilling tool includes: a motor; a transmission drive unit for transmitting a rotation force of the motor to rotate a drill bit; and a dust collector for collecting dust produced from a workpiece drilled by the drill bit, wherein the dust collector is provided with a pierced portion pierced by the drill bit, a dust collection port for sucking the produced dust and its surrounding air, and a blowoff port for blowing air against a vicinity of the piercing drill bit.

Abstract: A drill bit made of a shaft including a fan on the shaft having at least one blade; and related drill attachment for dust and debris collection made of a handle; a housing body having a front and back portion and a top and bottom portion, such that the bottom portion is connected to the handle and the housing body contains a hollow opening perpendicular to the handle; a nozzle which is connected to the front portion of the housing body; a drill bit comprising a shaft including a fan on the shaft having at least one blade within said hollow circular opening; and a receptacle to collect dust and debris while the drill is in use.

Abstract: The present invention includes a device and method for collecting debris discharged from a penetrating surface. The tool dust collector generally employs a substantially flat part with a substantially curved part to form a substantially non-rigid container to be positioned on or near the penetrating surface. The tool dust collector may include adhesive bands to position the device at the penetrating location. The device allows an individual to collect dust and debris safely, efficiently, and without a great deal of preparation.

Abstract: A printed board drilling method and a printed board machining apparatus capable of improving machining quality, such as improving positional accuracy of holes and true roundness of machined holes, and improving work efficiency by minimizing a runout of the tip of a drill. An extension of the drill extending out of a spindle when the drill is held by the spindle is defined in advance per type or mode of use of each drill. One drill is selected among a plurality of drills corresponding to a shape of holes to be drilled in the printed board and the spindle holds the drill so that the selected drill extends out of the spindle by the extension corresponding to the selected drill. Then, the move of the spindle with respect to the printed board is controlled and the selected drill is rotationally driven by the spindle to drill the printed board.

Abstract: A well bore fluid recovery system and method is disclosed for recovering a column of well bore fluid within a stand of casing before cutting the casing. The recovery system relates to a system for preventing fluids from being spilled when casing is being finished for a well bore. After being run the casing must be cut and finished at an appropriate level to install rig equipment such as blow out preventers along with other equipment. However, because of earlier operations, the entire length of casing is typically filled with drilling fluid. Depending on conditions, the length of casing which is to be cut and removed may therefore over a 100-foot (27.4 meter) column of drilling fluid therein. The drilling fluid in this section must be properly drained before the casing is cut and removed.

Abstract: A printed circuit board machining apparatus includes a spindle that holds a tool for machining a printed circuit board and a pressure unit for pressing the printed circuit board to a table in machining the printed circuit board. The pressure unit includes a pressure foot movable up an down along the spindle, a rotating member having a plurality of pressure pieces through which a through hole for passing the tool is formed and provided so as to select one among the plurality of pressure pieces, a motor for moving the rotating member, cylinders and electromagnetic valves for moving the pressure foot up and down and a control section for controlling the cylinders and electromagnetic valves. The control section rotates the motor so as to select the pressure piece and controls the cylinders and the electromagnetic valves to change force for pressing the printed circuit board.

Abstract: An extracting device (4) for removing material cut away in the operation of a motor-driven hand tool, has an extracting opening (48) and a receiving space (18) for the cut material, which communicate with one another through an extracting path, and an air current generator (42) for generating an air current (L) from the extracting opening (48) to the receiving space (18). A closure device (20) is provided between the extracting opening (48) and the receiving space (18), which at least substantially places the extracting path in a closed position and which is operated by the air current (L). The closure device (20) is arranged between the extracting opening (48) and the air current generator (42) and the closure device (20) has a closure element (22), which can be removed from a valve seat (24) by means of an underpressure created by the air current generator (42) for forming an open position of the closure device.

Abstract: A drilling or tapping machine includes a housing having a front end through which a drill mounting stub projects; a drill shaft having an inner drill tube carrying a splined bush at a rear thereof and carrying the drill mounting stub at a front thereof, a support tube coaxial with the drill tube, having front and rear bearing nuts mounting the support tube on the drill tube for relative rotation; a spline shaft extending from rear to front through the drill tube, and slidably engaged within the splined bush whereby rotation thereof rotates the drill tube; a moving plate fixed to the rear bearing nut and moveable axially relative to the spline shaft, the moving plate engaging the drill tube to axially move the drill tube relative to the housing; a first drive rotating the spline shaft; and a second drive causing the moving plate to move axially.

Abstract: The slug retrieval apparatus is used with a hole saw with chuck mechanism, after a pilot hole is drilled. The apparatus is fitted within the chuck mechanism and the hole saw then used to cut a hole in the workpiece. The shaft of the apparatus guides the hole saw cut, as would the shaft of a pilot bit. The springs within the slot of the shaft compress within the slot to allow the shaft to pass through the pilot hole drilled in the workpiece. The springs then expand to capture the shaft within the hole. When the slug is cut from the workpiece by the saw, the springs capture the slug until the user compresses the springs to remove the slug. The springs provide for expansion no matter the speed of the apparatus used to drive the hole saw.

Abstract: A suction device for a power tool, in particular for a drilling and/or chipping tool, has at least one dust container and at least one suction head to be placed on a workpiece, wherein the dust container is integrated in the suction head.

Abstract: A device for the manufacture of drilled holes, cut-outs, plane surfaces or the like, includes an attachment structure, which is designed for the attachment of the device to at least one component to be machined, a feed device, which is designed to track a drill of a drilling machine, and a control device for controlling the feed device and a drilling machine. In one example, the feed device includes a support for the drilling machine, which is arranged substantially in the center of a crossbeam.

Abstract: The present invention relates to a device for machining mechanical parts by means of a hollow cylindrical tool presenting a distal end with a free edge that is shaped to perform machining when said tool is rotated about its axis.

Abstract: A dust collector for a power drill is provided that includes a cylinder of sufficient size to accept at least a foremost portion of a power drill. The cylinder includes a gasket or seal at the forward end for contact with the wall or working surface to be drilled. A rubber or other elastic membrane or web is provided over the opposite end of the cylinder and an opening is formed in the membrane or web to fit snugly around the forward end of a power drill. A narrowing or neck may be used in place of the web to provide an opening for the forward end of a power drill. An arrangement of holes is formed in the wall of the cylinder. A vacuum hose is connected to the cylinder by a direct connection to the cylinder or by connection of the vacuum hose to a pistol grip handle attached to the cylinder.

Abstract: The invention relates to a suction system of an electric machine tool, comprising a housing (12), a pot part (20) of the housing (12), and a transmission chamber (13), with a suction device (10) for receiving air that is contaminated with drilled material, and a suction duct (11) for sucking off the air. The suction device (10) can be connected to the electric machine tool via a joining element (15) while the suction duct (11) is disposed at least in part inside the housing (12) of the electric machine tool. The invention further relates to an electric machine tool comprising a suction system.

Abstract: A machining system having a machining envelope, a housing, a hopper, and a seal. The housing defines at least a portion of the machining envelope. The hopper has a top surface defining an opening. The seal is disposed between the housing and the top surface. The hopper is configured to receive particulates when positioned below the machining envelope.

Abstract: A well bore fluid recovery system and method is disclosed for recovering a column of well bore fluid within a stand of casing before cutting the casing. The recovery system relates to a system for preventing fluids from being spilled when casing is being finished for a well bore. After being run the casing must be cut and finished at an appropriate level to install rig equipment such as blow out preventers along with other equipment. However, because of earlier operations, the entire length of casing is typically filled with drilling fluid. Depending on conditions, the length of casing which is to be cut and removed may therefore over a 100-foot (27.4 meter) column of drilling fluid therein. The drilling fluid in this section must be properly drained before the casing is cut and removed.

Abstract: An apparatus and a method for dislodging contaminants from a surface of a machine tool. A machine tool has a spindle and a housing disposed around the spindle. The apparatus includes a support plate, an arbor, and a cleaning member. The arbor is disposed on the support plate and is adapted to be attached to the spindle. The cleaning member is disposed on and extends from the support plate. The cleaning member contacts a surface of the machine tool to remove contaminants.

Abstract: Pilot drill with coupon retainer and hot tapping machine using the same that positively retains a coupon cut out by a hole saw. The pilot drill bit has a shank having a driving end for attachment to a drill driver and a cutting end having a cutting edge thereon, the cutting edge being sized to drill a hole of selected diameter through a workpiece, and a movable retaining finger mounted on the shank adjacent the cutting edge, the movable retaining finger having a first position fitting within the cutting diameter of the cutting edge and a second, extended position where a portion thereof lies outside the cutting diameter to retain on the drill shank a workpiece through which the drill bit may have drilled.

Abstract: A hand-held power tool (2) connectable with a dust suction module (32) includes a motor (64) and an air flow generator (66) which for cooling the motor (64) is located, together with the motor (64), in air flow path (62) between an air inlet and an air outlet (16) both formed in the tool housing, (4, 6), with an air inlet having a side opening (18) and a connection opening (20) connectable with the suction path (60) of the dust suction module (32) and the dust suction module (32) having a suction conduit (58) for connecting the suction path (60) with the air flow path (62) and adjoining the connection opening (20) in a connected condition of the dust suction module (32) with the power tool, and with the power tool (2) further having a closing member provided on the connection opening (20), operable by the dust suction module (32), and having, in an attached position of the dust section module (32), an open position, and having a closed position in the detached condition of the dust suction module (32).

Abstract: In order to improve a device (100) for a drilling machine (10) known per se for manual drilling with a casing (11), a grip (12), a tool chuck (13) and a tool (14), especially a drilling, reaming or counterboring tool, in such a way that manual drilling can be carried out with optimum conditions, it is proposed that the device comprises a workpiece jigging device (15) with at least one contact face and a guide device (21) for the parallel guidance of the tool (14) and/or of the casing (11) when there is a displacement of the workpiece jigging device (15) relative to the casing (11), said displacement being coaxial with a machine axis and/or tool axis, and a suction-type extraction device (18) for conveying away and sucking away material chips, dusts and impurities from the area of the workpiece jigging device (15), or more precisely the machining point and a control device (27) for the control of the feed motion between the workpiece jigging device (15) and the casing (11), said control being active at leas

Abstract: In order to improve a machine tool with a working area, in which workpieces can be positioned and can be machined with at least one tool held by a tool holder, such that the disposal of shavings is optimized, at least one cover is provided which limits the working area in the direction of the tool holder, wherein the at least one cover is provided with at least one opening associated with the tool for the passage of the tool.

Abstract: An annular core cutting apparatus includes a cutting head including a generally cylindrical sidewall having a first end and a second end, wherein the first end has a cutting edge, and wherein the sidewall includes a plurality of openings having at least one sharpened edge. A spindle is coaxially and rigidly coupled to the second end of the cylindrical sidewall, and the spindle configured to rotate about a rotational axis. In a further embodiment, a generally conical member is disposed within the cutting apparatus to assist with grinding and removal of waste material.

Abstract: A system for removing debris generated by a cutting tool draws the debris into a mixing chamber formed in a workpiece clamp where the debris is combined with a high velocity airflow. A vacuum source draws the debris-air mixture into a cyclonic airflow extraction chamber where the mixture is accelerated before being extracted from the clamp through an exhaust channel. A clamping ring seals the area surrounding the cutting site so that air velocity in the mixing chamber is increased and debris is accelerated into the extraction chamber.

Abstract: An extractor device for machine tools which have at least one tool-holder machining head has an annular blowing distributor for generating a tubular gaseous barrier around the tool-holder machining head, and an annular extractor manifold, positioned inside the barrier and concentric with the annular blowing distributor, for extracting shavings and/or dusts created by machining confined in the barrier.

Abstract: In an embodiment, a drill nozzle includes a housing having a bristle brush ring attached. The housing of the drill nozzle may include an air intake, multiple coolant inlets, multiple coolant jets, a vacuum tube, and mounting flanges. The air intake may provide a thrust-vectored down draft into the vacuum tube. The coolant inlets may receive coolant fluid that may be expelled from the coolant jets towards a drill bit. Drilling debris and coolant fluid may be contained inside the bristle brush ring preventing damage and soiling of surrounding structures and areas and may be extracted with the vacuum tube. The drill nozzle may be attached to a drill motor unit of a numerically controlled drill jig, enabling the use of such numerically controlled drill jig for drilling high quality holes effectively into non-flat surfaces, for example, the leading edge extension spar of the F-18 aircraft.

Abstract: A suction device (2) for a hand-held power tool and which is releasably connected with the power tool, includes a suction blower wheel (20) for producing a suction air stream in a suction path (S) and located in the device housing (10), a rolling bearing (28) for supporting the suction blower wheel (20) in the device housing (10), a blower shaft (26) for driving the suction blower wheel (20), and a drive coupling (38) for rotatably frictionally connecting the blower shaft (26) with the drive shaft (42) of the hand-held power tool (4) in a connected condition of the drive shaft (42) with the blower shaft (26).

Abstract: A portable drilling machine includes a housing; a drill chuck positioned on a front surface of the housing; a drill bit detachably coupled to the drill chuck; a driver positioned inside the housing to provide either the drill bit or the drill chuck with a rotational driving force; an anti-dust cover having a rear anti-dust cover formed in a cup shape with a drill through-hole formed in a central region of a bottom surface of the rear anti-dust cover and a front anti-dust cover formed in a tube shape to be coupled to the rear anti-dust cover, the front anti-dust cover being adapted to move towards the bottom surface of the rear anti-dust cover when acted on by pressure towards the housing and return to original position when the pressure is removed; and a retainer for detachably coupling the rear anti-dust cover to an outer surface of either the housing or the drill chuck. The rotational motion of the drill bit is not interfered with by the anti-dust cover, and the dust collection space is increased.

Abstract: An apparatus for dislodging contaminants from a surface of a machine tool. The apparatus includes a coupling, a housing, a cleaning mechanism, and a transport mechanism. The coupling is configured to be mounted on a spindle. The housing is disposed proximate the coupling and includes inlet and outlet openings. The cleaning mechanism is adapted to dislodge and direct contaminants into the inlet opening. The transport mechanism is adapted to move contaminants toward the outlet opening.

Abstract: A suction device that is used with a power drilling tool for aspirating material removable during operation of the drilling tool, and which includes a suction head (20) displaceable relative to the drilling tool (2) in a direction opposite a drilling direction (B) of the drilling tool (2), and an aeration device (22) fixedly connected by a suction conduit with the suction head (20) for joint displacement therewith.