Abstract: An edge-removing tool for sheet metal includes a head with a rotating cutting tool. The head has at least one guide for an edge. The head preferably includes a sleeve with the guide. The tool can be used to separate edges of an angled and/or welded sheet metal connection.

Abstract: A multifunctional base for a router is provided to allow precise and repeatable cuts through the use of a set of adjustable fences, template guides and bushings. The base has reference surfaces to allow precision cuts at set distances from a fence or template.

Abstract: A machining system includes a machining unit and a moving apparatus configured to move the machining unit. The machining unit includes a rotating tool for rotating about an axis in a vertical direction, an upper surface abutting member configured to be abutted against an upper surface of a work, an end face abutting member configured to be abutted against an end face of the work between an upper edge and an lower edge of the work, and a vertical moving unit configured to change a position of the upper surface abutting member in the vertical direction with respect to the rotating tool. The rotating tool includes a machining portion main body, a first machining portion provided on a lower side of the machining portion main body, and a second machining portion provided on an upper side of the machining portion main body.

Abstract: Knee arthroplasty instrument systems directly reference and align with the anterior distal femoral cortex and the mechanical axis of the leg. The anterior femoral resection is aligned in the same plane as the anterior distal femoral cortex. The center of the femoral head, the medial/lateral center of the distal femur, the medial/lateral center of the proximal tibia, and the second toe, medial/lateral center of the ankle, or anterior tibial spine are all aligned to the mechanical axis of the leg. Methods of using the instrument systems are disclosed.

Abstract: A machine for cutting or beveling a pipe. A cutter unit rotates around the pipe while cutting any surface of the pipe after gripping and fixing the pipe. The machine includes: a main body which a pipe passes through the center portion thereof to be fixed; and a cutter unit coupled to the main body unit rotates around the fixed pipe to cut or bevel the pipe. The cutter unit may have a rotating unit on one side to pull the cutter unit aside and a locking unit on the other side to restrain or release the cutter unit. An entry control unit operating the cutter unit includes: a lever gear-engaged with an outer side surface of an entry control plate; and a clutch formed on a rotation shaft of the lever such that the restraint is released when the lever is lifted or pressed in the axial direction.

Abstract: A method of cutting a slot using an apparatus comprising a carriage that is movable along an axis, a cutting tool, and a depth controller. The cutting tool may be removably attached to the carriage. The depth controller may be used to select a cutting depth of the cutting tool with respect to a surface of a workpiece closest to a part.

Abstract: Embodiments of the present invention comprise a platform attachment for use with a power hand tool which has a housing with a front nose portion with a rotary output shaft extending therefrom, and a tool holding mechanism on the output shaft for holding a tool, the attachment comprising a mounting component having an opening generally aligned with the output shaft through which a tool can extend, a platform component having a base portion and a platform portion, the base portion being adjustably attached to the mounting component, the platform portion having an outer generally planar main surface that is perpendicular to the axis and having an opening through which a tool can extend, and a generally planar secondary surface that extends downwardly from the main surface at a predetermined angle relative to the axis, and a mechanism for releasably locking the platform component on the mounting component.

Abstract: The present invention provides a beveling tool including: a body with a shaft hole formed through the center; a plurality of cutter blades arranged at predetermined distances on the circumferential surface of the body, each having a radial primary blade with a radial primary relief angle ranging from about 10 to about 20 degrees and a radial secondary blade with a radial secondary relief angle ranging from about 25 to about 35 degrees (or about 35 to about 45 degrees); discharge grooves formed longitudinally between the cutter blades to discharge chips produced in beveling; and a shank inserted in the shaft hole of the body, in which the body and the shank are connected by brazing. With the beveling tool of the present invention, it is possible to smoothly discharge chips produced in beveling and to prevent damage to the cutter blades.

Abstract: An in situ fan case rub strip machining tool mounts to a LPT/fan rotor shaft assembly of a gas turbine engine. After a fan is removed therefrom such that the machining tool is rotatable about an engine axis of rotation in conjunction with rotation of the LPT/fan rotor shaft assembly. The machining tool permits machining of a rub strip within the fan case of the gas turbine engine without disassembly of the fan case from the core engine as heretofore required. As the machining tool is mounted to the LPT/fan rotor shaft assembly, the cutting tool is accurately locatable relative the engine axis of rotation such that the rub strip is evenly and precisely machined to be concentric with the engine axis to assure proper fan blade tip to rub strip interface.

Abstract: An interlocked assembly of a circular collar receivable in suspension within a sink drain fitting and an annular support slidably engaged to the collar cooperate to form a guide aligning the blade of a rotary cutting tool adjacent the seat of a retaining ring that holds the fitting in place. The sliding translation of the annular support within the collar is limited by a radially projecting ring to limit the penetration depth of the rotary saw blade mounted in the guided tool thus limiting the incidence of damage to the surrounding sink structure.

Abstract: A device for machining an electrical cable having a cylindrical part and a conical part adjoining the cylindrical part. The device includes a fixture arranged to receive the cable and to hold the cable in a fixed position, the fixture defines an elongated space for accommodating the cable, a tool for removing material from the cable including at least one cutter, and rotational guiding means for guiding a first rotation of the cutter about a longitudinal axis of the space. The cutter is elongated and the longitudinal axis of the cutter is arranged inclined with respect to the longitudinal axis of the space so that the angle between the longitudinal axes of the cutter and the space is between 10 and 80 degrees. The device further includes drive means for providing a second rotation of the cutter about a rotational axis through the tool in order to cause the machining.

Abstract: A connecting means for connecting a first component and a second component, which enables two components to be securely connected to one another without giving rise to the danger of damaging the two components during the assembly process, comprises a first connecting element that is arranged on the first component in the connected state of the components and a second connecting element that is arranged on the second component in the connected state of the components, wherein at least one of the connecting elements comprises a non self-cutting holding projection which has a curved support surface that is in the form of an arc of a circle in longitudinal section, wherein the holding projection is inserted into a groove which is provided in one of the components and has a curved undercut surface that is in the form of an arc of a circle in longitudinal section.

Abstract: A portable beveling tool that is attached to a power tool having a rotary cutter for beveling pipe. The beveling tool includes a base, two rollers extending away from the base, and a tool mount that rotatably mounts the power tool to the base. The rollers and the cutter cooperate to locate the beveling tool on the pipe and to guide movement of the beveling tool around the pipe. The position of one of the rollers is adjustable to accommodate pipes of different diameters and wall thicknesses. An operator can move the beveling tool around the end of the pipe without changing his or her grip on the power tool.

Abstract: A guide system for cutting return bends directly into the underlayment panels of a radiant floor heating system is provided that eliminates the need for the installation of separate return panels. The guide system includes a guide panel having a guide rail on its bottom surface and a pivoting guide on its top surface. The pivoting guide is pivotally movable through a 180-degree arc relative to the guide panel and is configured to receive a router with a plunge or dovetail bit installed therein. In this manner, the router is pivotably movable through a controlled 180-degree semi-circular arc from a point that is aligned with a groove in which the guide rail is installed to a groove in an adjacent underlayment panel allowing the user to pivot the router to cut a return bend into the underlayment in the desired location.

Abstract: A method for removing a weld crown from a weld joint between first and second work pieces includes steps of positioning a rotary milling tool proximate to the joint and at an offset angle to set a cutting arc relative to the joint. The milling tool is positioned so the cutting arc intersects the weld crown, weld toes, and parent metal on each side of the weld joint. As the milling tool traverses the joint to cut away the weld crown, the milling tool may tilt from side to side to compensate for misalignment between the work pieces along the weld joint. An apparatus for weld crown removal holds a milling tool at an offset angle, and provides a tracking mechanism to permit the milling tool to track misalignment between the work pieces, maintaining the cutting arc in intersection with the weld toes and parent metal along the weld joint.

Abstract: The invention relates to an apparatus for cutting an oval hole in the wall of a pipe. The pipe secured to a baseplate (1) of the apparatus is cut for an oval hole by means of a tool (20) having its cutter head (24) rotated about its axis while it is driven along a circular path in relation to a carriage (2) of the apparatus. The carriage (2) is mounted on the baseplate (1) by way of linear runners (3). Adapted for rotation along with a drive pulley (4) of the tool (20) is a cogged wheel (10), which through the transmission of a cam lever (11) is adapted to drive a shaft (12) having its rotational motion transmitted on the one hand to drive a gear (22) and on the other hand to work the carriage (2) back and forth in relation to the baseplate (1), a round-trip displacement (2xa) being equal to a difference between the major axis and the minor axis of a desired ellipse.

Abstract: A mobile device for simultaneously cutting, chamfering and grooving a pipe. The device having a frame, at least one pipe collet-clamp attached to the frame and defining a principal axis, a split carriage rotatably mounted with respect to the frame about the axis and adjacent to the clamp(s), a router affixed to the split carriage and having a cutting-chamfering bit, a grooving router and a drive motor for rotating the carriage. The routers orbit around the pipe and simultaneously cuts the pipe into two chamfered pipes with grooves. A method is also provided for cutting through a pipe, chamfering the cut ends thereof and grooving the pipe.

Abstract: A mobile device for simultaneously cutting and chamfering a pipe is provided having a frame, at least one pipe collet-clamp attached to the frame and defining a principal axis, a split carriage rotatably mounted with respect to the frame about the axis and adjacent to the clamp(s), a router affixed to the split carriage and having a cutting-chamfering bit, and a drive motor for rotating the carriage. The router orbits around the pipe and simultaneously cuts it into two chamfered pipes. A method is also provided for cutting through a pipe and chamfering the cut ends thereof.

Abstract: A method for removing a weld crown from a weld joint between first and second work pieces includes steps of positioning a rotary milling tool proximate to the joint and at an offset angle to set a cutting arc relative to the joint. The milling tool is positioned so the cutting arc intersects the weld crown, weld toes, and parent metal on each side of the weld joint. As the milling tool traverses the joint to cut away the weld crown, the milling tool may tilt from side to side to compensate for misalignment between the work pieces along the weld joint. An apparatus for weld crown removal holds a milling tool at an offset angle, and provides a tracking mechanism to permit the milling tool to track misalignment between the work pieces, maintaining the cutting arc in intersection with the weld toes and parent metal along the weld joint.

Abstract: An apparatus for finishing an end of a rod including a shaping tool comprising a shaping assembly having a shaping housing and a shaping surface within the housing configured to engage an end of a rod and form a shaped rod end. The apparatus further including a finishing tool comprising a finishing assembly having a finishing surface for changing the contour of the shaped rod end to form a finished rod end.

Abstract: A method for removing a weld crown from a weld joint between first and second work pieces includes steps of positioning a rotary milling tool proximate to the joint and at an offset angle to set a cutting arc relative to the joint. The milling tool is positioned so the cutting arc intersects the weld crown, weld toes, and parent metal on each side of the weld joint. As the milling tool traverses the joint to cut away the weld crown, the milling tool may tilt from side to side to compensate for misalignment between the work pieces along the weld joint. An apparatus for weld crown removal holds a milling tool at an offset angle, and provides a tracking mechanism to permit the milling tool to track misalignment between the work pieces, maintaining the cutting arc in intersection with the weld toes and parent metal along the weld joint.

Abstract: Methods are disclosed for producing a hole in a work-piece having first and second layers of material. The first layer of material contains a full-sized hole through the first layer of material. The first layer of material is positioned adjacent the second layer of material. An orbital drill is secured to the first layer of material to position a cutting tool of the drill within the through-hole. During operation, when the cutting tool is used to cut a hole in the second layer of material, the alignment keeps the orbital drill stationary.

Abstract: A mobile device for simultaneously cutting and chamfering a pipe is provided having a frame, at least one pipe collet-clamp attached to the frame and defining a principal axis, a split carriage rotatably mounted with respect to the frame about the axis and adjacent to the clamp(s), a router affixed to the split carriage and having a cutting-chambering bit, and a drive motor for rotating the carriage. The router orbits around the pipe and simultaneously cuts it into two chamfered pipes. A method is also provided for cutting through a pipe and chambering the cut ends thereof.

Abstract: A fine adjusting method of the feed amount of a boring cutter includes the following steps: a shank body rotates around its axes as the center of a circle to make the cutter tip rotate around its axes as the center of a circle which is apart away from the axes with an offset distance e therebetween so as to change the feed amount. An adjusting device which can achieve the fine adjusting method of the feed amount of the boring cutter includes: a shank body which has a tapered bore, and the axes of the tapered bore is apart away from the axes of the shank body; a rotating cone body which cooperates with the tapered hole; and the rotating cone body is provided with another tapered hole; a changeable cutter holder which is installed in the tapered hole of the rotating cone body; and a drive mechanism which mounts on the shank body and drives the rotating cone body to rotate, therefore makes the changeable cutter holder rotate so as to achieve the micro-feed of the cutter tip.

Abstract: A swing arm has a fixture at one end for mounting a hand tool, and a longitudinally-extending channel including a slot. An elongate slider member is engaged in the channel, and includes a point offset longitudinally from center of the slider member for engagement with a workpiece to define a center about which the swing arm is rotated. A fastener having a head and threaded shank is retained in a recess such that the shank extends through the slot. A threaded knob is engaged with the shank for clamping the slider member in position, and a handle connected to and captively retained with the knob is free to rotate about a handle axis.

Abstract: A router bit system includes a bit (or bits) and a bit holding assembly for attaching the bit to the drive shaft of a router without the use of additional hand tools. The bit holding assembly, which is attached to the drive shaft of the router, includes a chuck having a bore for receiving a shank of the bit. A collar for engaging and releasing the bit from the bit holding assembly slides between a first position for engaging the bit and a second position for releasing the bit. The collar is biased to the first position for engaging the bit. The bit is capable of being received in a standard collet-type bit holder, such as a standard router collet or the like.

Abstract: A jig 10 includes a base plate 12 adapted to be secured to a router and is capable of forming circles, ovals, of the like as well as the traditional router functions. The base plate 12 includes a tip aperture 14 sized and shaped to accept a router tip of the router and also includes a channel 16 disposed substantially parallel to a longitudinal face of the base plate 12. A slider 18 is sized and shaped to fit within the channel 16 and move along a longitudinal axis of the channel. A locking mechanism 22 secures the slider 18 to the base plate 12, thereby preventing any longitudinal movement of the slider 18 relative to the base plate 12. The slider 18 optionally includes a pivot peg 20, preferably removably secured within one or more apertures 24 along the length of the slider 18. Alternatively, the slider 18 may include a fence 30 disposed proximate a first end.

Abstract: A device for the temporary fixation of a portable cutting machine to a template for making holes and/or recesses in a workpiece including a guide sleeve and a tensioning unit. The guide sleeve includes a tubular hub with an outer diameter corresponding to an inner diameter of an aperture in the template, a forward end of the hub having radially extending lugs configured and located so as to match corresponding recesses in the aperture during the insertion of the guide sleeve therein and to obtain a locking engagement with an inner surface of the template after a partial rotation of the guide sleeve relative to the template. A rearward end of the hub has a tubular adapter socket that is mounted to a nose portion of the cutting machine. The tensioning unit is mounted to the adapter socket for axial displacement relative thereto and having a forward end surface for engagement with an outer surface of the template.

Abstract: A tool for positioning a plurality of templates with respect to a curved rail includes a flexible spine that carries a plurality of templates. Each of the templates defines an opening adapted to guide a cutting tool to form a picket hole in the rail. The templates are evenly spaced along the longitudinal direction of the flexible spine so that the picket holes are evenly spaced when cut. A clamp may be associated with each template to hold the tool with respect to the rail.

Abstract: A router bit system includes a bit (or bits) and a bit holding assembly for attaching the bit to the drive shaft of a router without the use of additional hand tools. The bit holding assembly, which is attached to the drive shaft of the router, includes a chuck having a bore for receiving a shank of the bit. A collar for engaging and releasing the bit from the bit holding assembly slides between a first position for engaging the bit and a second position for releasing the bit. The collar is biased to the first position for engaging the bit. The bit is capable of being received in a standard collet-type bit holder, such as a standard router collet or the like.

Abstract: A portable combined clamp and bit guide assembly guides a bit, turned by a power driver, into the exact center between the opposing faces of the clamp. The clamp is designed to hold workpieces having substantially parallel edges and a substantially linear centerline on their upper surfaces, and provides a drill path perpendicular to that centerline. An optional incline adapter supports the clamp and bit guide at an angle to the workpiece, while also aiding in support of the workpiece itself. The entire assembly may be carried in a single case with a power driver and bits.

Abstract: A cutting tool and track system includes a multi-segment track assembly configured to be removably attached to a surface of a workpiece, a carriage assembly configured to ride along the track assembly, a carriage drive mechanism arranged to drive the carriage assembly along the track assembly, a cutting tool assembly connected to the carriage assembly, and a tool driving system connected to the cutting tool assembly. The cutting tool assembly rotatably supports an end mill type cutting tool that may be driven in a radial cutting plane about the axis of a tubular workpiece or along a workpiece surface. A method is provided for cutting a workpiece wherein a cutting tool assembly rotatably supports an end mill mounted for travel along a predetermined transport path in a cutting plane about a central axis of the workpiece wherein the end mill is first fed through the wall thickness of the workpiece and the cutting tool assembly is moved along the transport path in the cutting plane to cut the workpiece.

Abstract: A circle forming apparatus (100) for a power tool and a method for using the apparatus provides for the formation of circles or circular apertures in a workpiece. A first arm (104) and second arm (106) are rotatably coupled, and a fastener allows a user to secure the first arm relative to the second arm. The second arm includes a pivot point (108), and the first arm includes means (102) for coupling the first arm to a power tool.

Abstract: A hole cutting tool (10) configured for cutting an accurately located and precisely shaped hole in a surface, such as a wall (W) of a finished residential or commercial building is disclosed. The tool (10) provides a frame assembly (12) which is self-adhering to the surface (W) and carries removable templates (14, 146-152) for handsfree use in cutting an accurately located and precisely shaped hole. The unique frame assembly (12) provides multiple selectable, pneumatically isolated suction chambers (50,52) that enable the self-adhesion function even when the frame assembly (12) is placed over existing holes in the surface (W). The suction chambers (50,52) are formed in part by a unique corrugated gasket (56) that enables the frame assembly (12) to self-adhere to porous surfaces. The removable template (14) enables dust particles created during the cutting process to be simultaneously vacuumed away regardless of the orientation of the template (14) relative to the frame assembly (12).

Abstract: A cutting tool and track system includes a multi-segment track assembly configured to be removably attached to a surface of a workpiece, a carriage assembly configured to ride along the track assembly, a carriage drive mechanism arranged to drive the carriage assembly along the track assembly, a cutting tool assembly connected to the carriage assembly, and a tool driving system connected to the cutting tool assembly. The cutting tool assembly rotatably supports an end mill type cutting tool that may be driven in a radial cutting plane about the axis of a tubular workpiece or along a workpiece surface. A method is provided for cutting a workpiece wherein a cutting tool assembly rotatably supports an end mill mounted for travel along a predetermined transport path in a cutting plane about a central axis of the workpiece wherein the end mill is first fed through the wall thickness of the workpiece and the cutting tool assembly is moved along the transport path in the cutting plane to cut the workpiece.

Abstract: A circle cutting accessory for use with a generally cylindrical powered rotary hand tool with an output shaft at one end thereof, the tool having a second accessory attached to the one end, with the second accessory having at its distal end an outwardly extending flange with a first predetermined diameter around a substantial portion of the circumference thereof, the circle cutting accessory including a generally flat housing for receiving and supporting the second accessory and the rotary hand tool. The housing has an upper support surface with an aperture through which a cutting tool attached to the output shaft can pass. The circle cutting accessory further includes a generally horizontal elongated arm mounted to the housing and extends outwardly from the housing. A circle center and sizing elongated member is slidably attached to the arm and has a centering pin extending downwardly therefrom at one end portion.

Abstract: A circle cutting accessory for use with a generally cylindrical powered rotary hand tool with an output shaft at one end thereof, the tool having a second accessory attached to the one end, with the second accessory having at its distal end an outwardly extending flange with a first predetermined diameter around a substantial portion of the circumference thereof, the circle cutting accessory including a generally flat housing for receiving and supporting the second accessory and the rotary hand tool. The housing has an upper support surface with an aperture through which a cutting tool attached to the output shaft can pass. The circle cutting accessory further includes a generally horizontal elongated arm mounted to the housing and extends outwardly from the housing. A circle center and sizing elongated member is slidably attached to the arm and has a centering pin extending downwardly therefrom at one end portion.

Abstract: A milling system for milling patterns into a workpiece is disclosed. The system comprises a baseplate having an aperture and a template disposed within the aperture and positionable in a plurality of registrated orientations relative to the baseplate. The baseplate is formed of two separable baseplate parts. A system for vertically supporting a rotary cutting tool is also disclosed. The system comprises a base, a plurality of posts extending upwardly from the base, and a tool support for supporting the rotary tool. The tool support has a plurality of sleeves, one associated with each of the posts. The sleeves slidably receive respective ones of the posts. The tool support further includes springs for biasing the tool support away from the base.

Abstract: A circumferential milling machine is for milling along an arcuate portion of a cylindrical work piece having a cylindrical outer surface and is capable of milling a series of circumferentially space holes or slots, axially expanded holes or slots and/or tapered holes or slots in the arcuate portion of the cylindrical work piece. The machine includes a circumferential moving block mounted for circumferential movement along the arcuate portion with a pair of axial moving blocks mounted at opposite ends of the circumferential moving block being capable of axial movement with respect thereto. A radial moving block is mounted on either of the axial moving blocks for radial movement toward and away from the cylindrical outer surface and includes a milling device rigidly mounted thereon.

Abstract: Disclosed is a portable apparatus for the machining of a crankshaft pin of a crankshaft installed in an engine. The apparatus is supported on the crankshaft-web side surfaces and performs economical procedures by turning, milling or grinding. The apparatus and the method applied with it achieve dimensional, shape and positional tolerances and also surface finishes as specified for constructing new crankshafts.

Abstract: A circular hole cutting device (1) for making a circular hole in an object comprises a bit holder (3) which can be attached to a drive shaft of an electric power tool in such a way that the bit holder (3) with a bit (2) attached to a far end of the bit holder (3) rotates together with the drive shaft on a common axis, a cover (4) which is fitted to the bit holder (3) relatively rotatably about its axis, and a radial rod (5) attached to the cover (4) such that the amount of projection of the radial rod (5) in a direction intersecting the bit (2) can be varied. The physical size of the cover (4) is determined such that the bit (2) projects from a far end of the cover (4). The radial rod (5) has a pivot shaft (52) having a pointed end formed by bending a terminal part of the radial rod (5) approximately at right angles.

Abstract: A jig for use in conjunction with a router to cut circular openings is disclosed herein. The circular jig is comprised of a plate that has an escape hole for receiving a bit of the router therethrough, and a plurality of pivot holes formed therein. The plate has a reference point, and the pivot holes are arranged on the plate in a nonlinear array at preselected locations with respect to the reference point. A pivot pin inserted into the proper pivot hole allows the jig and router to be pivoted around the pivot pin and cut a circle of a preselected size.

Abstract: A circular hole cutting device (1) for making a circular hole in an object comprises a bit holder (3) which can be attached to a drive shaft of an electric power tool in such a way that the bit holder (3) with a bit (2) attached to a far end of the bit holder (3) rotates together with the drive shaft on a common axis, a cover (4) which is fitted to the bit holder (3) relatively rotatably about its axis, and a radial rod (5) attached to the cover (4) such that the amount of projection of the radial rod (5) in a direction intersecting the bit (2) can be varied. The physical size of the cover (4) is determined such that the bit (2) projects from a far end of the cover (4). The radial rod (5) has a pivot shaft (52) having a pointed end formed by bending a terminal part of the radial rod (5) approximately at right angles.

Abstract: A pipe beveling attachment for a rotary power tool including base means, an arbor sleeve adapter assembly for mounting the base means to the rotary power tool, bearing means in the base means for securing a shank of a pipe beveling rotary cutting tool, and alignment and guide means for cooperatively engaging a pipe wall of a pipe end to be beveled and for accommodating different diameter pipes including removable pins on each side of the pipe wall to provide a slidable cooperative engagement of the base means and pipe beveling rotary cutting tool with the end of the pipe to be beveled. The attachment includes a safety shield for an operator's protection and an optional flexible rotational stopper for preventing the attachment assembly from rotating when the power tool is at idle, generally a circular power saw. An alignment pin extending from the end of the arbor sleeve adapter assembly juxtaposed the power tool is optionally included to engage an aperture in a circular power saw retainer washer.

Abstract: Equipment for making a hole or cavity formation in a curved or planar wall element, and for cutting out a disc-shaped piece of material fitting the hole or cavity formation, includes a frame with devices for fixing it on the wall element, and a carriage displaceably mounted in a first linear direction. A slide is mounted to be displaceable in a direction perpendicular to the first linear direction and carries a tool unit. The carriage has wheel sets which are biased against the wall element. The wheel sets are pivotable and displaceably mounted on a respective guide slide, which is mounted to be displaceable in the first linear direction.

Abstract: A circular hole cutting apparatus comprising a support frame, having a forward end, a rearward end, a lower end, and an upper end; the forward end forming a cutting bit mounting means, capable of rotatably retaining a cutting bit so that the upper end of the cutting bit may upwardly extend from the upper end of the support frame, and so that the lower end of such a cutting bit may downwardly extend from the lower end of the support frame; and the lower end of the support frame forming a radius arm mounting means, the radius arm mounting means being capable of adjustably retaining a radius arm, so that the rearward end of the radius arm may alternately extend rearwardly from the rearward end of the support frame and retract forwardly from positions rearward of the rearward end of the support frame.

Abstract: An apparatus and method for making an elongated hole in a pipe which includes drilling a rotating conical tool through the pipe wall by pushing the conical tool in the direction of its rotating axis to a desired depth, then simultaneously lifting and tilting the conical bit so as to mill one end of an elongated hole. The rotatable conical tool may be lifted and tilted in the opposite direction to further mill the pipe and elongate the hole. Tilting is effected relative to a pivot point located above the top pipe surface and in a plane extending through a center axis of the pipe, and the angle of inclination can be adjusted for determining the length of the finished hole.

Abstract: A portable facing head comprises a feed body portion in threaded engagement with lead screws that extend through the feed body. The lead screws are translated through the feed body by a worm gear enclosed within the feed body wherein the worm gear is rotated by action of a star feed. The star feed is rotated by contact with a cam member extending outwardly from a torque bar positioned adjacent the feed body such that upon rotation of the feed body about a rotational axis, the star feed is incrementally rotated by the cam member thereby effecting incremental rotation of the worm gear and incremental linear translation of the lead screws through the feed body. Directional movement of the lead screws through the feed body is selectively set at forward, reverse or zero during rotation of the feed body by manipulation of a torque arm handle to position the cam member.

Abstract: A compact coupling reaming apparatus and method for reaming coupling bolt holes of a rotor coupling. The apparatus includes a fixture plate for mounting the apparatus to the face of the coupling via a plurality of the coupling bolt holes. The apparatus also includes a drill axially slidably, radially slidably, and axially rotatably mounted to the fixture plate. During the reaming process, the drill is first aligned with the center of a first coupling bolt hole, the drill having a fixed distance from an axis of the rotor after being aligned with the center of the first coupling bolt hole. After reaming the first coupling bolt hole, the drill is aligned with a center of the holes and all other coupling bolt holes to be reamed by axially rotating the drill to the center of the second coupling bolt hole while maintaining the fixed distance of the drill from the axis of the rotor.

Abstract: A device and method are provided for reducing a length of an annular core on which a roll is mounted. If the core extends beyond the end of the roll, the roll is unstable when it is stacked. This device and method will trim the length of the core extending beyond the end of the roll to provide a flat face across the entire end of the roll. A stable stacking arrangement will therefore be ensured. The router includes a collar, a router bit and a transparent disk or plate mounted thereon. The router bit will chip away the portion of the core which extends beyond the end of the roll. A vacuum can be operatively attached to the router in order to remove chips formed by the router bit. The collar on the router will keep the bit spaced from the roll to prevent damage to the roll. This collar and the transparent disk or plate will also aid in guiding the router.