Abstract: A router includes a motor assembly that is arranged and configured to hold a router tool and to impart rotation to the router tool and a frame that is fixed in size and that is configured to house the motor assembly.

Abstract: Disclosed is a chamfering machine which enables a smooth cutting operation by allowing a workpiece to be fixed to a position corresponding to an optimal cutting condition. The chamfering machine comprises a cutting position groove, which is formed in the bottom surface of an upper guide, and into which a part of the outer circumferential surface of a workpiece is inserted, wherein the central part of the cutting position groove is formed to correspond to the cutting end of a chamfering cutter. The machining method is configured such that the chamfering cutter enters perpendicular to a centerline direction of a circular material and, after entering while cutting, to a point where the cutting end of a cutting tip is in line with the centerline, rotates a tubular material or revolves the chamfering cutter around the tubular material and thus can cut the surface of the circular material.

Abstract: An apparatus and method of using an apparatus for refacing a tubular connection is provided. In one example, the apparatus has a mandrel connectable to a threaded portion of a tubular connection and two face plates bearing cutters for refacing surfaces of the tubular connection. In this example, the cutting is controlled by an engaging nut moving along a threaded portion of a drive shaft, and the two face plates may be spaced apart at a fixed distance to maintain the distance between the torque-stop surface and the primary surface after refacing. Also, the apparatus uses a locking pin to assist in tightening or loosening the mandrel into place using the remainder of the apparatus. An air-oil system is provided to supply air and oil to the cutting surfaces as the apparatus refaces the shoulders of the connection. An exemplary pin refacer and an exemplary box refacer are both disclosed.

Abstract: This application is directed to groove milling devices for milling a groove in a component. In one example, a groove milling device includes a milling disk which is rotatable about a rotational axis, wherein the groove milling device comprises a displacement device for moving the milling disk along the rotational axis during the milling process. In an example, the groove milling device may include a control device which actuates the displacement device automatically when a predetermined depth of the milled groove is reached during the milling process. In an example, the groove milling device may include a switch for activating the displacement device by an operator during the milling process. In an example, the energy required for actuating the displacement device may be generated by a generator coupled to a main drive spindle of the groove milling device.

Abstract: A method of milling a profile of a railway rail comprises: rotating a milling cutter including a plurality of face mounted cutting inserts mounted about a periphery thereof; milling a railway rail with cutting edges of the cutting inserts rotating in a predetermined plane corresponding to at least a portion of a desired rail profile while controlling the depth of cut of the cutting inserts; traversing the railway rail with the milling cutter while milling the railway rail; and controlling the speed of traverse of the milling cutter along the railway rail.

Abstract: A power tool for trimming soft materials has a power driver with a drive train engaged with a cylindrical cutter body wherein the power driver rotates the cutter body about its longitudinal axis. A plurality of mutually spaced apart cutter teeth are fixed to an exterior surface of the cutter body. The cutter teeth each have a top surface and a sidewall surface, the sidewall surface extensive between the top surface and an exterior surface of the cutter body. The top surface of each of the cutter teeth is a four-sided convex polygon and the sidewall surface includes four mutually discrete surfaces corresponding to the sides of the polygon, with each of said discrete surfaces extending between the top surface and the cutter body.

Abstract: A method and apparatus for a cutting tool system. In one advantageous embodiment, an apparatus may comprise a carriage that is movable along an axis, a cutting tool, and a depth controller. The cutting tool may be capable of being removably attached to the carriage. The depth controller may be capable of controlling a cutting depth of the cutting tool with respect to a surface of a workpiece closest to a part.

Abstract: The present invention provides a positioning and pressing device, a pressing device and a tool for auxiliary machining of motor train underframe, the positioning and pressing device comprises a crossbeam, two supporting frames, two rotary vertical pressing structures, a lateral positioning structure, a lateral holding structure and two adjustable intermediate supporting structures; the two supporting frames are mounted in sliding manner on two sides of the upper surface of the crossbeam; the two rotary vertical pressing structures are respectively mounted on the tops of the two supporting frames; the lateral positioning structure is mounted on the side of one of the two supporting frames; the lateral holding structure is mounted on the side of the other one of the two supporting frames; and the two adjustable intermediate supporting structures are mounted on the upper surface of the crossbeam and between the two supporting frames.

Abstract: An apparatus for grinding material, including a grinder bit including a drum, a plurality of grinders, at least a portion of the grinders disposed longitudinally in a first helical pattern along the outer surface of the drum, and a plurality of cleats, at least a portion of the cleats disposed longitudinally in a second helical pattern along the outer surface of the drum, the second helical pattern offset from the first helical pattern.

Abstract: An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device, such that user manipulation of either the first or second actuator is capable of controlling electricity flowing to the motor. Including a second actuator may permit the user to retain greater control over the tool when turning the power on or off. In additional exemplary aspects, a coupling device included in the switch assembly is configured and arranged so as to prevent inadvertent damage to the power tool such as by accidental engagement of a shaft lock while the motor is operating.

Abstract: A surgical tool system with a handpiece and a cutting accessory that has inner and outer hubs. The handpiece has a spring biased lock ring that abuts a complementary stop member integral with the accessory outer hub to hold the accessory to the handpiece. An RFID chip is disposed against an inner wall of the accessory outer hub. An elastomeric seal pressed against the inner wall of the accessory outer hub provides environmental protection for the RFID chip. The seal has a rib that extends around the outer perimeter of the proximal end of the outer hub so as to form a seal between the accessory and an adjacent inner wall of the handpiece. Stop tabs extend inwardly from the seal to prevent the drive hub disposed inside the outer hub from falling out.

Abstract: An apparatus for providing convenient control of a power tool electrical system. A switch assembly includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device, such that user manipulation of either the first or second actuator is capable of controlling electricity flowing to the motor. Including a second actuator may permit the user to retain greater control over the tool when turning the power on or off. In additional exemplary aspects, a coupling device included in the switch assembly is configured and arranged so as to prevent inadvertent damage to the power tool such as by accidental engagement of a shaft lock while the motor is operating.

Abstract: The present invention is directed to an apparatus for providing convenient control of a power tool electrical system. A switch assembly of the present invention includes a first actuator and a second actuator, which is disposed remotely from the switch and first actuator. The second actuator is connected via a coupling device, such that user manipulation of either the first or second actuator is capable of controlling electricity flowing to the motor. Including a second actuator may permit the user to retain greater control over the tool when turning the power on or off. In additional exemplary aspects, a coupling device included in the switch assembly is configured and arranged so as to prevent inadvertent damage to the power tool such as by accidental engagement of a shaft lock while the motor is operating.

Abstract: A scoring apparatus for placing a scoring line on a back surface of a piece of vinyl or rubber cove molding, in order to easily conform the molding about sharp corners. The scoring apparatus uses a frame for pivotally supporting a router between an inoperative position and a work engaging position. The router is mounted on a base that slides within a slot in the frame so that it can be drawn across the cove molding to provide the scoring line.

Abstract: A preferred embodiment of the present invention is directed to a detachable flexible handle for a power hand tool and an attachment system associated with the handle and the tool for releasably attaching either a rigid or the flexible handle to the power hand tool. The system has housing attachment recesses on the tool that receive attachment clips located at opposite end portions of the flexible handle or structure of a rigid handle.

Abstract: Apparatus for enabling a tool (5) to reproduce a pattern from a template (11) on a workpiece (9), the apparatus comprising a first support mechanism (1) which supports the tool (5) in a spaced relationship with a pattern follower (7), a second support mechanism (3) which supports the template (11) and the workpiece (9) in a spaced relationship which one another, the first and second support mechanisms (1, 3) being brought together in use such that the pattern follower (7) overlies the pattern on the template (11) and the tool (5) overlies the workpiece (9), wherein the first support mechanism (1) and the second support mechanism (3) are not connected to one another. The movement of the pattern follower (7) as it follows the pattern on the template (11) produces an identical movement of the tool (5) over the workpiece (9).

Abstract: A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The apparatus includes a housing, a spindle unit in the housing for rotating the cutting tool and an orbital drive for rotating the spindle unit. An axial feed mechanism moves the orbital drive and the spindle unit jointly either toward or away from the object being machined.

Abstract: A jig assembly for use with work piece and a hand-held power tool having a cutting bit includes a first member and at least one insert. The first member has a first opening and is configured to be positioned adjacent a first side of the work piece. The at least one insert is configured to fit within the first opening in the first member and includes a second opening. At least one of the first opening and second opening is configured to allow a portion of the hand-held power tool to pass therethrough to contact the work piece and to act as a guide for the hand-held power tool as it removes material from the work piece.

Abstract: A device for removing grout from between a joint. The device comprises at least one handle member with at least one guide and at least one motor portion. The motor portion has at least one cutting member. The guide and the cutting member are aligned. The guide is adapted to guide the cutting member along the joint.

Abstract: A combined rotary hand tool and accessory attachment includes a rotary hand tool having an output shaft and a nose end associated with the shaft. An accessory attachment has a mounting portion configured for releasable attachment to the nose end and an engagement formation provided to the nose end and the mounting portion and configured so that the mounting portion is securable upon the nose end upon an approximate ¼ relative rotation.

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: 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 hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The tool axis passes through a predetermined point on a surface of the object. The apparatus includes an actuating assembly including a housing. The housing contains an axial feed mechanism configured for moving the cutting tool in an axial direction, a spindle motor configured for rotating the cutting tool about the tool axis, and a radial offset mechanism. The radial offset mechanism is configured for moving the axial feed mechanism in a radial direction such that the tool axis is offset from a principal axis. A motor is configured for rotating said axial feed mechanism and the cutting tool about the principal axis.

Abstract: A piping structure of the present invention comprises an existing pipe and a seal-up housing. The existing pipe has a collection opening formed in the bottom thereof. The seal-up housing comprises two or more housing parts which are segmented circumferentially of the existing pipe. The seal-up housing encloses a part including the collection opening of the existing pipe. One of the housing parts is formed with a collection space and a drain port. The collection space serves to collect dirt or foreign substances through the collection opening. The drain port is provided for discharging the dirt or foreign substances stored in the collection space.

Abstract: A portable multi-axis drilling machine includes a drill mounted between a pair of 2-axis positioning devices each of which translates along X and Y axes. The positioning devices are spaced apart along a Z axis of the machine and are mounted in a frame that has a workpiece-engaging side provided with a pair of index cylinders that receive spherical tool balls mounted on the workpiece surface so as to fix the position and orientation of the machine relative to the workpiece. The frame also has swiveling feet on the workpiece-engaging side that pivot as needed to accommodate complex contoured workpiece surfaces. Rotational movement of the drill is effected by differentially translating the two positioners, and translational X and Y movements are effected by synchronously translating the positioners.

Abstract: A device for removing grout from between a joint. The device comprises at least one handle member with at least one guide and at least one motor portion. The motor portion has at least one cutting member. The guide and the cutting member are aligned. The guide is adapted to guide the cutting member along the joint.

Abstract: A portable electric right-angle plunge router (10) is disclosed which has a pair of laterally spaced apart bases (13, 14), two pair of laterally spaced apart columns (12) and a motor housing assembly (11). The bases (13, 14) have planar work engaging surfaces (15). Affixed to the bases (13, 14) are the laterally spaced apart columns (12) which extend perpendicularly to the work engaging surfaces (15). The motor housing assembly (11) has a central axis which is parallel to the work surface and is mounted on the laterally spaced apart columns (12) to allow the housing assembly to move vertically toward and away from the bases. Laterally space apart column guides (17) affixed to the housing (11) are aligned and sized to slidingly engage the columns (12). A handle is formed in the housing (11) between the front and rear column guides (17). A drive motor affixed in the housing has an armature shaft which is rotatable about an axis being substantially the horizontal axis of the housing (11).

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 metal mold repair tool is provided for leveling the work surface of stamping dies used in metal forming operations. The repair tool includes a pair of guides disposed on opposite lateral sides of a rotary finisher to precisely position the finisher with respect to the work surface. The rotary finisher is preferably driven by a conventional drive motor. The finisher and guides are vertically displaceable relative to each other, such that the position of the finisher relative to the work surface can be adjusted as desired.

Abstract: The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be secured together. The apparatus comprises a base plate having adjustable lateral guides flanking an opening in the base for allowing the passage of a router bit. Removably securable to the base plate is a reversible member or gate including adjustable end guides such that removal and reversal of the gate member permits the user to perform an identical mirror image operation on the second of two workpieces to be matched.

Abstract: An apparatus for the field milling of a pocket into a railroad stock rail to accommodate the precise nesting abutment of a switch point rail thereto avoids the necessity of milling such pockets under shop conditions and permits the use of Continuous Welded Rail (CWR) through railroad switches. The portable, self-propelled apparatus is adapted to the field milling of pockets into stock rails to accept the selectable placement of a movable switch rail therein and is powered by a portable power supply that may be either auxiliary or integral. The apparatus comprises components which are preferably fluid-powered. The apparatus clamps onto the stock rail and comprises a positionable milling assembly inclined at the angle necessary for milling the desired pocket into the stock rail. The apparatus moves the apparatus along the stock rail at a controlled speed whereby the milling head is fed along the stock rail during the milling operation.

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: A power tool (e.g. a laminate trimmer 10) includes an adjustable support for setting the position of the motor unit (16). The support includes a first collar element (24) secured to the motor and a support upright (14). A stud (32) threadedly secured to the collar is slidable in a slot (28) and co-operates with the slot (28) to maintain confronting surfaces (14a and 26a) of the elements in face to face engagement. The elements are thus constrained to slide only in a direction parallel to the upright (14). A clamping screw (36) threadedly engaged in the stud can be tightened to lock the adjustable support at a desired position. The arrangement provides high stability to permit adjustment of the motor position even when the motor is operating.

Abstract: The present invention concerns an apparatus for allowing the operator of a plunge router to make accurate mortising or doweling cuts in a workpiece and more particularly to allow dowel holes or mortises to be executed in pieces of wood which are to be secured together. The apparatus comprises a base plate having adjustable lateral guides flanking an opening in the base for allowing the passage of a router bit. Removably securable to the base plate is a reversible member or gate including adjustable end guides such that removal and reversal of the gate member permits the user to perform an identical mirror image operation on the second of two workpieces to be matched.

Abstract: A support for a number of portable machine tools, such as planers, has a planer mounting member with an aperture to provide access to the workpiece for the tool bit of each tool. The tools are releasably secured to the mounting member and can be retained in alignment on the mounting member to perform multiple operations in a single pass.

Abstract: An accessory carriage unit attachment for electric router, composed of one main elemental component: the slab carriage unit securable to the router at a perpenduclar angle to the major guide side surface, with attachable plastic means for greater slidable movement, with optional; legs, work stock/piece guide fence, and handle for more versatility, hence a mounting platform that need not be removed, thus facilitating most operations of a router, in portable or table router configuration.

Abstract: A router attachment is provided for converting a small hand-held rotary cutting tool into a miniature router. The attachment has a base having a planar lower surface, a central aperture, an upright column and a handle. A tool holder slidably mounted on the upright column is provided with a clamp for affixing the rotary cutting tool thereto. A height adjustment mechanism enables the user to adjust the height of the tool holder relative to the base planar lower surface and a lock mechanism releasably locks the tool holder to the base column during use.

Abstract: The reprofiling installation includes, arranged below a railway carriage, a milling device consisting of two frames (8, 9) linked together. These frames (8, 9) of differing lengths and guided by the track, carry each a milling unit (22, 24). The installation further includes a track heating unit (31) located in front of each milling unit (22, 24), and a unit for cooling the tracks behind each milling unit, as well as units for measuring the deformation of the track.

Abstract: A portable milling apparatus is disclosed where said apparatus, in one embodiment, comprises a cutting head, a control mechanism and a power supply where said cutting head generally includes a frame, an axial displacement means, a rotary cylinder and alignment means.

Abstract: An installation method for security switches located in door jambs and connection into security system wiring is provided together with a mounting fixture for simplifying the installation. To avoid wall damage, with cylindrically packaged security switches inserted snugly in a hole drilled part way through a door jamb a few inches from the floor, an installation fixture holding a drill at an angle is inserted into the switch mounting hole for drilling at a desired angle a system wire passageway hole into the switch mounting hole wall to extending downwardly through the floor. Another drill held in the fixture at a different angle permits routing of the mounting hole wall form a wire transit channel axially adjacent to an inserted switch for passing the system wires back to connect with the security switch.

Abstract: A multi-purpose router baseplate accessory is configured to perform eight different woodworking tasks. The accessory includes a rectangular rigid transparent plate with a pair of handles, at least one of which is readily removable, and two separate mounting locations for a router.

Abstract: A method of correcting the partially worn die mounting surfaces of the stationary and the movable platen of a die casting machine is capable of correcting the partially worn die mounting surfaces through comparatively simple processes in a comparatively short time without dismounting the stationary and the movable platens from the die casting machine. The method comprises steps of padding welding areas including partially worn areas and areas surrounding the partially worn areas in the die mounting surfaces of the platens on the die casting machine by build-up welding, disposing a compact, portable face cutting machine near the platens, and cutting the padded areas by the face cutting machine to finish the die mounting surfaces of the platens in a desired flatness in the range of 1/100 to 1/10 mm. The build-up welding is carried out under welding conditions realizing a welding heat input of 15,000 J/cm or below to prevent inducing residual stress in the platens.

Abstract: A device for preparing a coke oven door includes a frame for securing the door in a working position. A milling machine for machining the door seal includes a gantry coupled to the frame and a milling head coupled to the gantry. The milling head is movable up and down, longitudinally, and transversely relative to the door so as to maintain contact with the door seal. According to one aspect of the invention, a rail is attached to the frame and a rail extension is attached to the gantry. The rail and rail extension cooperate to guide the gantry longitudinally along the door. A rack is attached to the frame and a driven pinion is attached to the milling machine which engages the rack to move the milling machine along the rail and rail extension.

Abstract: A method of and apparatus for dressing tips for welding machines equipped with tips which are advanced toward a dresser body so as to be dressed by the cutters of the dresser body at a pressurized state. The method comprises the steps of driving to rotate the cutters before the tips are brought into contact with the cutters, pressing the tips to the cutters so that the dressing of the tips starts by being cut by the cutters while the tips are brought into contact with the cutters at a given time, moving the tips away from the cutters while the cutters keep to rotate, and completing the dressing of the tips by gradually reducing the application of the pressure to the tips. The Apparatus comprises elements to embody the method.

Abstract: A machine tool comprises an elongated beam adapted to be supported in a horizontal orientation at two locations spaced apart therealong and adapted to support a machining head. Tensioning bars extend parallel to the beam and engage the beam at opposite ends thereof. At least one of the tensioning bars is below the medial plane of the beam, and the tensioning bars are selectively operable to eliminate deflection from the beam.

Abstract: The present invention provides an improved biscuit jointer which allows a ruler guide to be kept completely level during fine adjustment of the vertical position and angular orientation of the ruler guide with respect to a ruler and accurately abuts against a workpiece. The biscuit jointer of the invention includes: a circular cutter blade; a base accommodating the cutter blade; a housing containing a motor for driving the cutter blade and being slidable relative to the base; a ruler disposed on one end of the base to abut against an end face of a workpiece; and a ruler guide vertically slidable along the ruler. The ruler has a vertically extending slide edge plane on a predetermined end thereof, and the ruler guide has a linear guide on the predetermined end thereof, which slides against the slide edge plane. The ruler grade further includes a spur gear engaging with a toothed rack formed on the ruler, which allows vertical movement of the ruler guide along the ruler.

Abstract: The end of a laid flooring board between adjacent laid flooring boards can be jointed by a jointer including a router mounted on a slide slidable along ways carried by a frame held in position on flooring by pressure on a positioning plate attached to the jointer frame and having a reference line for registration with a flooring joint and an undersurface capable of gripping the flooring to prevent inadvertent shifting of the frame during a jointing operation.

Abstract: The invention relates to a device for performing a machining movement with at least one rotatable planing knife, comprising: a planing knife holder fixed rotatably in a carrier with a first and a second shaft and a first and a second bearing, wherein at least the first shaft is connected fixedly to the planing knife holder and at least the first shaft is bearing mounted in the carrier; a motor fixed in the carrier; and a drive wheel which is fixed on the first shaft and coupled to the electric motor for driving the planing knife holder, wherein the second shaft is connected fixedly to the carrier and that the second bearing is arranged on the shaft inside the body of the planing knife holder.

Abstract: Methods and apparatus for milling a flat surface on a large scale assembly, such as the horizontal joint surface of the outer structure of a steam turbine, are disclosed. In a preferred embodiment, lateral and longitudinal drive means are installed on a lower base assembly which is specifically adapted to be mounted and leveled by engaging portions of the structure to be machined. Sliding platforms are engaged with drive means, and a milling head is mounted to the platforms to provide the capability to move the milling head both laterally and longitudinally along the surface to be machined. In a preferred embodiment, the milling head is affixed to a platform that permits indexing the milling head to a position where it may extend beyond the maximum travel of the drive means and thereby machine the corners or otherwise inaccessible areas of the structure.

Abstract: A portable apparatus for fitting hinges and a door lock set to a door and door jamb assembly prior to installing the door and door jamb assembly in a building. The apparatus includes a main work unit which aligns the door with the door jamb and additionally provides an adjustable hinge template holder which allows for the routing of a recess for a hinge. The apparatus further includes a pair of end vices for attachment to the ends of the door jamb which maintain the door and door jamb in position when moving the main work unit. The end vices also provide a routing guide for the header component.