Abstract: An assembly for guiding a drill bit of a drill assembly comprises a chassis and a centering bushing, comprising an exterior conical portion and a central opening. The assembly further comprises a vacuum-cup bracket, coupled to the chassis and adjustably positionable relative to the chassis along a second axis. The assembly also comprises vacuum cups, coupled to the vacuum-cup bracket. The assembly additionally comprises a pressure foot, coupled to the chassis at the first end of the chassis and adjustably positionable relative to the chassis along the second axis.

Abstract: Ribs for working an aircraft component having an aircraft component surface, fixtures for the same, and methods for the same, are provided herein. The rib includes a rib surface configured to receive the aircraft component and to be in abutting contact with at least a portion of the aircraft component surface. The rib further includes an extension extending away from the rib and configured to couple to a worksurface. Orientation of the rib is configured to be adjustable relative to the worksurface for improving working of the aircraft component. The fixture includes a mount defining an aperture and configured to be coupled to the worksurface and the rib. The method includes providing the fixture including the rib. The method further includes coupling the extension to a worksurface. The method further includes disposing the aircraft component on the rib surface.

Abstract: A guide template having a tool guide for a working tool, for producing a main-side cut-out on a workpiece main-side surface of a workpiece which workpiece has a workpiece secondary-side surface, which is at an angle to the workpiece main-side surface and proceeding from which a secondary-side cut-out extends into the workpiece next to the workpiece main-side surface at a distance therefrom, wherein the guide template includes a main-side stop having a main-side stop surface for making contact with the workpiece main-side surface and includes a secondary-side stop, which has an engagement protrusion for engaging the secondary-side cut-out, wherein a longitudinal axis of the engagement protrusion extends toward the tool guide to an intersection region, in which the main-side cut-out to be produced and the secondary-side cut-out intersect, and is at an angle to a guide longitudinal axis of the tool guide, wherein the guide template includes a depth stop having a depth stop surface for a counter stop assigned to

Abstract: A bearing race remover is provided that can be utilized in the removal of bearing race elements of bearing assemblies of vehicles of Class 1 through Class 8 designations. The bearing race remover is formed of a puller base, a compression member, and a bearing race engagement extension. The puller base has a cylindrical hub having radially disposed vanes forming an engagement collar to contact impinge against a wheel hub. The radially disposed vanes are to engage race engagement protuberances in a self centering manner to engage within the bearing race. Downward or upward movement of the compression member imparts a removal or insertion force onto a bearing race in order to release or reinsert the bearing race into the wheel hub.

Abstract: A remote cutter head and a system therefore which can operate in confined spaces are provided. The remote cutting system including a cutter assembly driven by a fluid source, a pushrod hose coupling the cutter assembly to the fluid source, a control assembly detachably secured to the pushrod hose, and a monitor assembly coupled to at least one camera. The monitor assembly provides video images of the cutter assembly and cutter assembly surroundings. The cutting head including a fluid-driven gearmotor, the gearmotor including a two-piece housing, bearings, a pressure balanced gearmotor cavity, and two rotating members provided in the pressure balanced gearmotor cavity, one of the rotating members protruding from the cutting head. High-pressure fluid provided to the cutting head turns the two rotating members to drive a cutting bit attached to the rotating member protruding from the cutting head. Also provided is a cutting bit.

Abstract: A guide gib (500) for a deep drilling tool of a substantially rectangular shape with a longitudinal direction (L) and a width (B) and with at least one sliding surface (540) is characterized in that at least one lubricating groove, preferably a plurality of lubricating grooves (501, 502), is/are arranged at least in the region of a contact zone of the sliding surface.

Abstract: A system for modifying a slot in a rotor includes a drill, a clamp connected to the drill and configured to engage with an interior surface of the slot, and means for supporting the drill from a stationary platform adjacent to the rotor. A method for modifying a slot in a rotor includes connecting a coupling to a stationary platform adjacent to the rotor, connecting a drill to the coupling, and locating the drill proximate to the slot. The method further includes inserting a clamp into the slot, engaging the clamp with an interior surface of the slot, and operating the drill to create a cavity in the slot.

Abstract: A multiple tool device, particularly adapted to prepare tubular elements to be welded by electrofusion, comprising a cup member which is associable with the end portion of a tubular element and is provided with motion transmission means adapted to turn the multiple tool device. The particularity of the present invention resides in that it comprises scraper means adapted to remove the outer surface layer of the end portion and facing means which have a working motion that is opposite with respect to the preceding means and are adapted to face the edge of the end portion so as to make it perpendicular to the axis of the tubular element.

Abstract: An apparatus and method for removing a fitting from a pipe having a central axis. The apparatus includes a guide member which defines a guide passage and a means for supporting the guide member within at least a portion of the pipe with the longitudinal axis of the guide passage in a coaxial relationship with the central axis of the pipe. The apparatus also includes a rotary hole saw having a cylindrical wall provided with a plurality of cutting teeth on an open end thereof and a central axis of rotation. The cylindrical wall defines a cylindrical chamber. A guide rod is connected to the rotary hole saw such that the guide rod extends through the cylindrical chamber of the hole saw and beyond the open end thereof in coaxial alignment with the central axis of rotation. The guide rod is slidingly receivable in the guide passage of the guide member.

Abstract: A clamping device is attached to a front part of a body of a boring machine for clamping the boring machine and a workpiece together. The clamping device comprises a fixed piston fixed on the front part of the body, a movable piston equipped over the front part of the body movably in the axial direction of a spindle of the boring machine, a first pressure chamber, a second pressure chamber, a pressurized fluid-supply device to supply pressurized air to the first pressure chamber and the second pressure chamber so that the movable cylinder is moved in the axial direction, a connecting mechanism an end portion of which is connected to the movable cylinder, and a clamping unit which is connected to the other end portion of the connecting mechanism, and is fixed to a certain position of the workpiece.

Abstract: A hinge arm having a hinge pin hole having a worn bore, for example a hinge arm of a hinge assembly of an access door on a gas turbine engine, is repaired by forming in the worn hinge arm a new hole with a keyway extending outwardly from the new hole. A keyed bushing is provided having a cylindrical body having a central bore extending axially therethrough and a key extending outwardly from the cylindrical hole. The keyed bushing is inserted into the new hole and keyway formed in the hinge arm thereby preventing rotation of the bushing relative to the hinge arm.

Abstract: A tool is provided for use in at least one of drilling, tapping, back spot facing and counter-boring at least one hole. The tool includes a servo motor cutting device and a gearbox. The servo motor cutting device and gearbox rotate a cutting tool to create the hole. A drill unit skid is adapted to engage a hook fit slot in the case of the dynamoelectric machine and supports the servo motor drill and gearbox.

Abstract: A material removal tool including a housing body having an active portion, at least one seating surface for a cutting insert operatively positioned on the active portion, and a guide pad positioned in a cavity in a circumferential surface of the active portion is disclosed. The guide pad is radially adjustable between a first radial position and a second radial position by a differential pressure across the guide pad. The differential pressure is created by an actuation fluid supplied to one side of the guide pad. A method for removing material from a workpiece with the rotating material removal tool is also disclosed.

Abstract: In a state where a rail drilling machine is attached to a rail, a drive source, a cutter support mechanism, and a support base are arranged on one side of the rail. A support plate having an upper support surface and a lower support surface is provided on either end of the support base in the longitudinal direction. The upper support surface and the lower support surface of each support plate contact a lower surface of the rail head and an upper surface of the rail foot, respectively, so that the support base is prevented from moving vertically with respect to the rail. The support base has a magnetic sticking portion located between the support plates. The magnetic sticking portion has a sticking surface that is stuck to a side surface of the rail web.

Abstract: A drive system can be simplified and downsized, improves its operability, and can be configured to clamp or unclamp a work at an accurate drive timing. This invention is a clamp device of a drill. This invention includes a clamp collet inserted into a hole formed in the work, a mandrels inserted slidably inside the clamp collet, a piston-cylinder mechanism reciprocating the mandrels axially, and a directional valve driving a piston. The directional valve includes a forward introduction port introducing a pressured fluid for advancing a ram of the drill, and a main introduction port introducing the main pressured fluid. When the pressured fluid is introduced to the forward introduction port, it is clamped by a one-way movement of the piston.

Abstract: A tool for resurfacing a counterbore of a cylinder bore in an engine block includes a holder fixedly attached to the engine block using existing threaded holes, and a cutter rotatably supported by the holder and axially movable while being rotated. The cutter is positioned to cut and resurface a counterbore in the top of the cylinder bore. A plurality of springs bias the cutter head axially toward the engine block while rotating the cutter, thus providing a uniform force while cutting and resurfacing the counterbore. A ratchet wrench matably engages the upper end of the shaft to rotate the cutter, with the ratchet wrench extending in a single lateral direction from the shaft. A related method is also discussed.

Abstract: A tight-space drilling product for drilling in a confined space between a workpiece and an opposite surface includes a drilling implement with a confined space configuration where the drilling implement contacts both the workpiece and the opposite surface.

Abstract: A process for assembling two assemblies, for example aircraft fuselage assemblies, using multiple fastening components. The process includes drilling of holes through an overlap zone, carried out using a drilling tool which passes through an associated centering hole made in a drilling grid fixed to this overlap zone, wherein the drilling tool includes a support mandrel and an expanding ring which fits onto the mandrel along a conical contact surface. A relative movement between the expanding ring and the mandrel is applied so that, following immobilization of the ring in the associated centering hole, displacement of the mandrel supported against the overlap zone is produced, through the centering hole and towards this overlap zone, to exert a pressure on the latter.

Abstract: A compact assembly for aligning a coring tool relative to a pipe sidewall. The coring tool includes a hollow, cylindrical hole saw mounted to an arbor that has an elongated pilot shaft centered in the hole saw. The assembly is made up of a base plate that is attachable to the pipe sidewall. A tubular sleeve is mounted to the base plate and has a bore diameter sized for receiving the pilot shaft as the hole saw is advanced toward and saws through the pipe wall, and the entire assembly is sized to fit inside the hole saw as the hole saw saws through the pipe sidewall.

Abstract: A temporary securing device for plate-like work pieces includes a split body and an anchor segment, the split body has a resiliently compressible biasing member to allow an outer diameter of the split body to contract allowing passage within a plurality of openings in the work pieces, the split body has an engagement portion near a first end, the engagement portion has an operative surface to engage an outer surface on a first outer work piece, the split body has a second end and a threaded inner support near the second end, the anchor segment is operable to engage an outer surface on a second outer work piece, the anchor segment includes a threaded member to engage the threaded inner support, the threaded member be rotationally operational to draw the split body toward the anchor segment.

Abstract: A drilling apparatus contains a drilling tool and a platform. A flexible joint having three degrees of freedom connects the drilling tool to the platform. A clamping element may be provided proximate to an opening formed in the platform. The clamping element is attached to the platform and extends through an opening formed in the structure to fasten to the structure.

Abstract: A trans-axial cutting apparatus used for cutting an inner surface of an opening formed within an object and accessible from outside the object. The apparatus comprises an elongate portable frame. The frame supports a cutting member on the first side and a stabilizing member on the second side. The stabilizing member is adapted to secure the apparatus during operation of the cutting member. The apparatus may be used to cut a counter bore, a longitudinal slot or groove at a desired depth, a helical slot or groove at a desired depth, or a slot or groove at a desired depth and along a desired path within the opening. Additionally, the apparatus is adapted to make any of the preceding cuts in a tapered or stepped manner within the opening of the object.

Abstract: A device to aid the user to drill a hole in the exact transverse center of an elongated object, such as the edge of a board to be joined by dowels. It has a single pivoted cross which expands and contracts in response to movement of a pair of spaced parallel channels that contain the cross. Channel movement is controlled by a clamp screw acting in conjunction with spring means urging the channels apart. The ends of the arms of the cross carry locator pins equidistantly spaced from the pivot axis, so that as the locator pins snugly retain both sides of the object to be drilled, the pivot axis is automatically centered.

Abstract: A boring device is inserted into a lateral pipe to bore a pipe lining material inserted into a main pipe across the lateral pipe intersecting therewith and a portion of which blocks an opening of the lateral pipe that communicates with the main pipe. The boring device has a rotatable shaft, a bearing member for rotatably bearing the rotatable shaft, and a boring blade mounted on the rotatable shaft for rotation therewith to bore through the portion of the pipe lining material that is blocking the opening of the lateral pipe. A supporting member is mounted on one side of the bearing member. An inflatable bag is mounted on the other side of the external periphery of the bearing member. The inflatable bag is inflatable in the lateral pipe so that the inflatable bag and the supporting member are pressed against an internal peripheral surface of the lateral pipe.

Abstract: Methods and apparatus for track members having a neutral axis rack are disclosed. In one embodiment, an apparatus for supporting a manufacturing tool relative to a workpiece includes a track assembly adapted to be attached to the workpiece and including at least one rail, the rail having a longitudinally-extending neutral axis and a rack extending along a pitch line that at least approximately coincides with the longitudinally-extending neutral axis. In alternate embodiments, the rack includes a plurality of wedge-shaped apertures or a plurality of conically-shaped apertures.

Abstract: A mounting jig assembly for mounting a door handle to a door having a main door bore includes a drill jig constructed and arranged for placement on the door over the main door bore and having at least one mounting hole, wherein the drill jig is constructed and arranged for engaging a door latch at more than one location.

Abstract: A portable power drill having an automatic drilling cycle for feeding a rotating tool bit to a workpiece to effect the desired operation. The drill uses a rotary gerotor pump to pump hydraulic fluid used in its system, and pressurized air to operate the hydraulic pump. The drill has a clamping assembly which clamps the unit on a workpiece before the drill bit is advanced toward the workpiece. The drill also has an integral drill spindle-planet carrier area which adds to its operability and reliability.

Abstract: Methods and apparatus for manufacturing operations using opposing-force support systems are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, and a carriage moveably coupled to the track assembly. The carriage includes a tool support adapted to receive and support a manufacturing tool. An opposing-force support assembly is operatively coupled to the carriage and is adapted to be secured to the workpiece. The opposing-force support assembly at least partially counterbalances a manufacturing force exerted on the workpiece by the manufacturing tool.

Abstract: Boiler tubes are removed from a boiler vessel without damaging the vessel by severing the boiler tube near the exterior periphery of the vessel, and using a piloted rotary cutting tool fixtured with respect to the longitudinal axis of the severed boiler tube to remove all but a very thin shell of the severed tube. The rotary cutting tool is then withdrawn, and the remaining thin shell of the boiler tube is manually peeled away from the periphery of the boiler vessel opening. In a preferred implementation, the rotary cutting tool is annular, and a tapered cylindrical pilot having an outside diameter slightly smaller than the inside diameter of the expanded portion of the boiler tube is retractably mounted within the annulus of the cutting tool.

Abstract: The drilling apparatus of the present invention includes a platform and at least two independently adjustable members. The independently adjustable members position the platform relative to the structure such that the drilling tool is maintained in a predefined positional relationship to the surface of the structure. A portion of each of the independently adjustable members is in operable contact with the complexly curved surface at a respective contact point, and the independently adjustable members are capable of being extended by different lengths to the respective contact point in order to accommodate for the complexly curved surface. The method of the present invention includes determining the extension length required to position the drilling tool in the predefined positional relationship for each independently adjustable member based upon the radius of curvature at each member's contact point with the surface, and the predetermined distance between the drilling tool and each member.

Abstract: An end prep tool is mounted in substantial alignment with a theoretical center of a pipe and used to prepare an end of a pipe, for example, by boring and/or cutting the end of the pipe. A tool centering and mounting system comprises a clamp cage and a tool mounting member having an inner cylindrical surface. A centering tool is mounted to the tool mounting member and used to adjust the tool mounting member until substantially aligned with the theoretical center of the pipe. The end prep tool comprises a tool feed assembly that moves a cutting tool radially with respect to the axis of rotation and axially according to a predefined cutting profile.

Abstract: The hole saw guide adaptor is a special adaptor for a standard hole saw which allows an individual to enlarge an opening in a wood or other work surface after an opening has already been cut in the surface. This adaptor allows an individual to increase the diameter of an existing hole that was cut with a hole saw. The adaptor would generally have a cylindrical configuration with a flattened portion on one end that allows it to be inserted into the hole saw arbor and locked into place with the set screw. The other end of the adaptor would include a threaded area similar to that on the lower end of any standard hole saw arbor. Thus, the hole saw used to cut the initial hole can be threaded onto this end of the adaptor, with the cutting edge facing away from the opening, to be used as a guide for cutting the new hole. The hole saw with the larger diameter for the new hole would be mounted in a conventional manner in the hole saw arbor.

Abstract: A drill stand (1) for a manually operable tool device (2) is formed of a fixedly mountable base plate (4) having a through passageway (5) extending perpendicularly therethrough for the passage of a clamping bolt (6) having at least one axially effective stop shoulder (7a, 7b), so that at least one detent means (8) with an axially effective counter shoulder (10a, 10b) for axial form-locking engagement of the shoulder stops (7a, 7b) of the clamping bolt (6). At least one manually operable eccentric cam (11a, 11b) affords axial clamping of the clamping bolt (6) locked by the detent means (8) and arranged relative to the through passageway (5).

Abstract: A template for drilling a lock to gain access to a locked enclosure has a drill guide and a dial ring mounted to a key stud. A key blank may be inserted into the key stud, with the portion of the key blank which is insertable into the keyway of a lock extending from the template. The key lank is inserted into the keyway of a lock to position the template on the lock and the drill guide is manipulated to align a mark on the drill guide with a graduation on the dial ring to indicate a desired location for drilling a retainer of the lock.

Abstract: A compact, low-profile, in-line beveling tool suitable for use in a confined space, such as a tightly packed array of tubes. The tool is inserted within a workpiece via a feeding mechanism, such as a worm gear arrangement, and is secured to the workpiece via an internal expanding mandrel assembly. A motor drives cutting inserts, mounted on a beveling head, in rotational motion to bevel the workpiece. The motor and beveling head with cutter inserts all share the same axis. A gear reduction box, located between and operatively connected with the motor and beveling head, provides the low RPM and high torque needed to make practical use of carbide insert technology. In one embodiment, the motor is a hollow core air motor having vanes symmetrically arranged about the axis.

Abstract: A keyway cylinder plug removal tool specifically configured for the removal of a lock core or cylinder plug from a safety deposit box. The tool includes a shaft received within a hole saw housing, the hole saw housing including a plurality of teeth, positioned about a cutting cylinder. The hole saw housing includes a shank. The shaft including a keyway end and a free end. The free end fits into the shank of the hole saw housing and a keyway tab attaches to the keyway end of the shaft. The keyway tab inserts into a keyway of a cylinder plug. Once the cylinder plug is removed, the latch bolt of the lock can be retracted, to open the safety deposit box. The keyway tab is typically flat and free of cut indentations or “keying,” but is generically insertable into most manufactures' proprietary keyway shapes. The keyway tab attached to the keyway end of the shaft. A shaft spring is received onto the shaft and abuts against the holesaw housing.

Abstract: The drilling apparatus of the present invention includes a platform and at least two independently adjustable members. The independently adjustable members position the platform relative to the structure such that the drilling tool is maintained in a predefined positional relationship to the surface of the structure. A portion of each of the independently adjustable members is in operable contact with the complexly curved surface at a respective contact point, and the independently adjustable members are capable of being extended by different lengths to the respective contact point in order to accommodate for the complexly curved surface. The method of the present invention includes determining the extension length required to position the drilling tool in the predefined positional relationship for each independently adjustable member based upon the radius of curvature at each member's contact point with the surface, and the predetermined distance between the drilling tool and each member.

Abstract: A method for making a through opening in a high-pressure fuel reservoir that has an elongated, tubular jacket body, which body is provided in the longitudinal direction with a continuous recess, open on at least one end, that forms the interior of the high-pressure fuel reservoir, and the through opening is made in the jacket body in the form of a bore by a machining tool in such a way that this opening discharges into the continuous recess. In order to avoid burrs, before the through opening is made, a pressure part is pressed against the inner wall of the jacket body in the region of the expected outlet of the through opening, and with the machine an tool, drilling is done through the jacket body some distance into the pressure part.

Abstract: A hole-locating device for use in the field for locating and assisting in the drilling of holes in cut ends of tubing includes a body having an outer wall with a plurality of outer flat surfaces and an inner cylindrical wall spaced from said outer wall. The outer wall having a pair of aligned openings on opposite sides of the side wall and the inner wall having a pair of openings spaced 180° apart, wherein the openings in the outer wall and the openings in the inner wall are in alignment. In cutting aligned openings in a tube, the tube is received within an open end of the body in the spacing between the inner wall and the outer wall and a drill bit is placed in adjacent openings in the outer wall and inner wall for receiving a drill bit therein.

Abstract: A method for repairing worn brake assembly holes on a highway trailer axle assembly including a cam shaft hole, and first and second anchor pin holes and including an axle stub extending from an end thereof, comprising the steps of aligning a boring tool, having a tool axis, with each brake assembly hole axis by aligning the tool axis parallel with the stub axis; positioning the tool axis at a distance from the stub axis equal to the distance of the brake assembly hole axis from the stub axis; and positioning the tool axis at an angular position relative to the brake assembly hole axis that is equal to the angular position of the brake assembly hole axis relative to the axis of another of the brake assembly holes. The aligned boring tool is then driven to bore an oversize hole through the worn brake assembly hole such that the worn brake assembly hole, including any worn extremities thereof, is consumed by the oversize hole, leaving a substantially cylindrical oversize hole.

Abstract: In order to make notches in partitions separating substantially aligned recesses issuing onto the surface of a structure (10), use is made of a machining head (26) having a cutting tool (28) and at least one rotary member (52) adjacent to said tool. The rotary member (52) is provided with protuberances (54) supported in recesses of a row of recesses adjacent to that which is being machined, during the displacement of the machining head (26). The latter is connected with slackness to a tool holder by a mechanism, a lateral and height positioning of the tool (28) being ensured during machining.

Abstract: A tool for centering a drill or punch on the broken face of a large stud or bolts and for using the tool to break up and remove a large stud or bolt which comprises a collar having a central bore therethrough having a first portion threaded to mate with the stud or bolt threads and a second portion bored to just slide over the stud or bolt threads and an externally threaded cylindrical shaft which is threadably receivable in the collar, said threads being similar to those of the broken stud or bolt, the shaft having extending longitudinally therethrough a plurality of off-center holes, from 3 to about 9 holes, preferably said holes are three in number, are displaced from each by 120°, and are equidistant from the center and the inside of said external threads, said holes being adapted to slidably receive an alignment pin or drill bit.

Abstract: A pipeline and tubular structure renovation apparatus facilitates rapid and economical removal of protrusions into the interior of pipelines and other tubular structures, particularly gas pipelines having excess weld or devices such as nipples, etc. The apparatus consists of a generally cylindrical carriage mounted on wheels or skids which substantially center the apparatus within a pipeline; a clamping device to clamp the carriage in position; and a centrifugal tool head which may perform grinding, cleaning, polishing and other operations. Grinding may be accomplished in both radial and plunge cutting modes. The apparatus is robust and of simple and economical construction. Weld removal speed is considerably faster than that achieved by conventional precision grinding tools.

Abstract: A tool is provided for reaming a new bore in the transfer case. The tool has a mounting plate that attaches to the transfer case. A support shoulder projects down from the bottom of the mounting plate. A threaded sleeve is attached to the support shoulder. The threaded sleeve guides a threaded rod with a hex head at one end and a cutting bit at the other end. Once the mounting plate is attached to the transfer case, the cutting bit is aligned with the bore to be reamed in the transfer case. A mechanic can then attach a hex wrench to the hex head at one end of the threaded rod. The mechanic turns the wrench which causes the cutting bit to turn, reaming out a bore in the transfer case. A bushing installer is inserted into the newly reamed bore. Attaching wrenches to both ends of the bushing installer, the mechanic turns the wrenches until the bushing is completely installed in the newly reamed bore.

Abstract: A fastener for temporarily securing together at least one part and a tool includes a body having a longitudinal axis, a part-engaging surface for bearing against the at least one part, and an outer surface that defines a guide bushing. A fastening mechanism projects axially from the body and is adapted to extend through the at least one part for securing the at least one part against the part-engaging surface. The fastener further includes an engaging member on the body and having a tool-engaging surface that is engageable with the tool for securing the tool to the at least one part.

Abstract: A process for repairing a defective opening in an automotive transmission housing includes the steps of (a) providing a drilling jig sized to fit closely within the servo bore chamber, the drilling jig having an alignment aperture concentric with the opening when fitted within the chamber, (b) inserting into the opening a bushing which closely fits within the opening, the bushing having a central reamer guide bore with a diameter larger than the original bore diameter, (c) inserting and rotating a reamer in the reamer guide bore thereby enlarging the diameter of the opening, (d) providing and inserting a repair bushing into the enlarged opening, the repair bushing having a central opening with a diameter equal to the original diameter and having an external diameter equal to the diameter of the enlarged reamed opening. An adhesive may be used to fix the repar bushing in the opening.

Abstract: A drill jig for installing a lockset in a hanging door with an aperture for the lockset. The drill jig has a plate with a plug on one side dimensioned to fit into the aperture. An array of drill bushings is mounted in the plate aligned with a level on the top edge of the plate. Rubber feet protect the the door from being marred by the plate. The plate is positioned against the door in preparation for drilling holes through the drill bushing into the door. A tool is provided having a tee hook which is inserted through the door aperture from a side of the door opposite the drill jig and temporarily secures the drill jig against the door during the drilling operation.

Abstract: An end effector (30) adap ttachment to and accurate positioning by a robot is provided for positioning a channel-shaped workpiece (10) at a desired position and drilling an accurately located positioning hole in the work piece, even if the workpiece is curved or has a compound contour. The end effector (30) includes a conventional speeder assembly (68) with a taper that can be grasped by the robot and rotated for transfer of torque to the speeder assembly. A flange base (54) is attached to the speeder assembly (68) and has a central opening to accommodate a drill bit (67). A housing assembly (50) is slidably mounted around the flange base (54) through a linear bearing (109). An index shaft (32) is slidably mounted partially within the housing assembly (50) through a second linear bearing (110). A collet (36) is concentrically mounted slidably about the index shaft (32). The collet (36) is adapted to expand radially when it is forced over a wider portion (34) of the index shaft (32).

Abstract: Disclosed is a device for use in machining an interior surface of a tubular object which comprises a pair of rails that can be longitudinally instad through the interior section of the tubular object. Braces join the rail for fixing the rails to the tubular object. A platform is movably mounted on the rails to allow longitudinal movement of the platform. A machine tool can be mounted on the platform.

Abstract: The lug nut taper trueing tool includes a first disk which is positioned on one side of an automobile racing wheel and a second disk which is positioned on an opposite side of the wheel. The first disk has an extension sized to fit and extend within the center wheel hole of the automobile wheel. The first disk has a center bore, and a plurality of holes which are alignable with lug nut holes of the wheel. A bushing is positioned and secured within the plurality of holes of the first disk and has a flange which fits and extends within the lug nut holes of the wheel. The bushing has a bore for insertion of a pin, which is attached to a cutting tool. The second disk is attached to a threaded shaft, which is engagable with the first disk for securing the first disk, second disk, and wheel together. The cutting tool has at least one cutting edges and may have either a handle for a person to manually rotate the cutting tool or a shaft end for attachment to an automatic rotation device.