Abstract: Disclosed is a portable dowel making tool. The tool includes a base, a dowel positioning portion is arranged on the base, the dowel positioning portion is provided with a dowel passing hole for a dowel to pass through, and the base or/and the dowel positioning portion is/are provided with a cutting mechanism which matches the dowel passing hole so as to cut, when a material rotates, the material into a cylinder capable of passing through the dowel passing hole. According to the present disclosure, by arranging the dowel positioning portion on the base and by arranging the cutting mechanism at the dowel positioning portion, a log can be conveniently cut to obtain the regular dowel without tools such as a lathe such that the dowel can be machined more conveniently. The tool can match various rotatable components to machine the dowel, such that machining is more convenient.

Abstract: The present invention relates to a cutting bite and a cutting apparatus including the same. According to one embodiment of the present invention, a cutting bite is provided to sequentially pass through an upper end portion, a central portion, and a lower end portion of stacked films in a thickness direction of the stacked films when a rotating wheel rotates, and is provided such that cutting is performed in a manner in which a cutting direction of a cutting tip is a direction from an outside toward an inside of the stacked films while the cutting bite passes through the upper end portion toward the lower end portion.

Abstract: The present invention relates to a cutting device and a chamfering machine comprising the same, and according to one aspect of the present invention, a cutting device for use in a chamfering process of a film laminate is provided, in which the cutting device comprises a rotating wheel having a rotation center; and a cutting bite comprising a main body mounted on the rotating wheel and a cutting tip provided on the main body and provided to perform chamfering of the film laminate by rotating the rotating wheel, wherein the cutting bite is mounted on the rotating wheel such that the central axis of the cutting tip is inclined at a first angle with respect to the tangential direction of a rotation locus of the cutting bite formed by rotating the rotating wheel.

Abstract: Disclosed are surgical implants for providing therapy to a treatment site, tool sets and methods for minimally invasively accessing and deploying the implants within the spine. The treatment site may be a vertebral body, disc, and/or motion segments in the lumbar and sacral regions of the spine.

Abstract: A flat drill having a handle, and a flat blade formed in the front portion of the handle part. A front portion of the flat blade extends inwardly from the two sides, forming first and second shoulder. The two shoulders continuing to extend and taper inward and upward, forming two tapered sections respectively, a first tapered section and a second tapered section, and having a pointed top. A first groove is formed on a blade part of the first shoulder toward the inside of the flat blade part. The inner edge of the first groove is inclined downward towards outside direction of the first shoulder, forming an angle of greater than 0 degree with respect to a horizontal line of the flat drill.

Abstract: A method for producing a thread can include a) generating a number n?1 of twisted grooves in a wall of the workpiece encircling a thread axis (M) or generating a wall of the workpiece which has a number n?1 of twisted grooves and encircles a thread axis, b) respectively inserting a thread generating region of a tool into each of the twisted grooves in a twisted insertion movement, c) generating a thread in each wall sub-region, adjoining the groove(s), of the wall of the workpiece by rotating the tool about the thread axis (M) and with a simultaneous axial feed motion of the tool coaxially with respect to the thread axis with a particular axial feed speed and d) moving each thread generating region of the tool out of the associated groove in a twisted removal movement matched to the twisting of the associated twisted groove.

Abstract: A cutter head that comprises at least one blade and at least one adapter chamber arranged in the blade for assembly of a tool holder in the blade, in which the adapter chamber is a cavity located in the blade and having an opening and an assembly recess. Also a blade for a cutter head, as well as a tool holder for assembly on a cutter head for a dredger is included. Moreover, included is a tool arrangement for a dredger. Included also are a method for assembly of a tool holder in a cutter head for a dredger and a production method for a blade for a cutter head for a dredger.

Abstract: A boring tool includes a clamping shaft and a boring body. Between the end face of the boring body and the clamping shaft, at least one main blade extends along a longitudinal axis of the boring body and includes a blade web with a rake face facing a groove-shaped chip space, and a free surface on the outer circumferential side, these converging at a cutting edge which runs along the boring body longitudinal axis and which removes material on an inner wall of a pre-bored workpiece core bore hole as a result of said boring tool being rotated. The main blade extending along the longitudinal axis of the boring body transitions at the end face, of the boring body into a groove blade that is aligned transversely to the longitudinal axis of the boring body.

Abstract: A drill capable of performing high-quality drilling machining on a material which is hard to be cut such as CFRP is provided. The drill includes a drill body 4 having a shank portion 2 at a rear side of the drill main body and a cutting portion 3 at a front side of the drill main body, a first land A to a fourth land D at the cutting portion 3, a first cutting portion groove 5a to a fourth cutting portion groove 5d provided between the lands of the first land A to the fourth land D, a pilot blade 6 formed at the tip of the cutting portion 3, a diameter-enlarging spiral thread portion 9 continuously following the pilot blade 6, a finished spiral thread portion 12 continuously following the diameter-enlarging spiral thread portion 9, a diameter-enlarging spiral blade portion 18, and a finishing spiral blade portion 19.

Abstract: A single use bone cutter comprised of a plate with a plurality of insert blade enclosures is described. The insert blade enclosures are arranged in a spiral pattern about the plate and are further positioned at varying height intervals through the thickness of the plate. The bone cutter provides a means whereby the insert blades can be easily positioned within the plurality of blade enclosures to provide a wide array of cutting diameters.

Abstract: The router bit includes an upper and a lower cutter, axially aligned and separated by a fixed longitudinal displacement. No substantial portion of the bit extends beyond the lower end of the lower cutter. In some embodiments, the lower cutter may be configured with bottom face blades to allow the router to be used as a plunging bit. The cutters may use wing blades or spiral blades. The portion of the bit intervening between the upper and lower cutters may also be configured as a cutter. In some embodiments, the router bit is integral. In other embodiments, it comprises separate elements that may be axially secured.

Abstract: A tree stump removal device is disclosed. The device includes an annular housing having cutters attached thereto. A method of removing a tree stump is disclosed that includes lowering a tree stump removal device into the ground surrounding the tree stump to severe some or all of the horizontal roots extending from the tree stump.

Abstract: A knife assembly includes a knife blade and a mounting assembly having a knife blade support portion extending along a longitudinal axis of the mounting assembly. The knife blade support portion is constructed and arranged to position a cutting edge of the knife blade distal to a leading edge of the mounting assembly. The mounting assembly also has a counter knife portion disposed at the leading edge of the mounting assembly that defines a set back distance with the knife blade. The set back distance is constructed and arranged to provide a travel path for a wafer.

Abstract: A mortiser tool comprises a drill bit, a cutting element mounted around the drill bit and a motor means. In use a motor rotates the drill bit independently of the cutting element, and in use a motor moves the drill bit in a first reciprocating action, in which the cutting element is axially movable in relation to the drill bit. The drill bit is provided with a transmission adapted to axially move the cutting element in a second reciprocating action in use, which second reciprocating action is axially non-synchronous with the first reciprocating action.

Abstract: The present invention relates to a wood-milling cutter. A circular cutter head includes a plurality of semicircular engaging grooves at the rim thereof for receiving a plurality of hilts with corresponding arched surface. A semicircular screw hole is formed in the middle of the top rim of the semicircular engaging grooves. A blade is received at the bottom of said hilt. A semicircular cavity corresponding to the semicircular screw hole of the cutter head is provided in the middle of the top of the hilt and equipped with an annular flange. Therefore, the semicircular screw hole and the semicircular cavity form a full circular hole to receive a trimming screw with an annular groove in the middle thereof. The annular flange of the semicircular cavity is engaged in the annular groove of the trimming screw while the threaded member of the trimming screw joins the semicircular screw hole of the semicircular engaging grooves.

Abstract: A stump removal tool for boring around a stump at ground level. The stump removal tool includes an elongate member having a first end, a second end and outer peripheral wall extending between the first and second ends. The elongate member has a generally circular cross-section taken transversely to a longitudinal axis of the elongate member. A connecting portion is attached to and extends away from the first end of the elongate member. The connecting portion is removably coupled to a power tool. A plurality of teeth is attached to an outer surface of the peripheral wall. The teeth are spaced from each other and are positioned in a pattern extending from the first end to the second end. The elongate member is attached to the power tool and rotated such that the teeth may be used for boring through a stump.

Abstract: An apparatus for cutting dovetail joints comprises one or more trapezoidal mortising chisels mountable on a drill press, each trapezoidal mortising chisel having a trapezoidal cross sectional shape with a particular slope or “pitch” on its non-parallel sides. The trapezoidal mortising chisels are used to cut sockets in the tail board of a dovetail joints, where the sockets have a trapezoidal shape with sloped sides. A given slope can be selected for the sides of the sockets by selecting a trapezoidal mortising chisel having the given slope. A washer is also provided which is mountable about the tilt axis of a tiltable work table of the drill press. The washer has a set of holes located at an angle about the washer on either side of a reference radius, where the angle correspond to the slopes of the non-parallel sides of the trapezoidal mortising chisels.

Abstract: A router bit for forming the edges of a raised door panel which includes a rotatable drive shaft, a profile cutter fixed to the drive shaft, and a back cutter fixed to the drive shaft for rotation therewith. A cylindrically-shaped pilot member is disposed intermediate the profile cutter and the back cutter. The pilot member is fixed to the drive shaft for rotation therewith and the exterior surface of the pilot member is coated with a friction-reducing material to reduce or eliminate any significant friction between the exterior surface of the rotating pilot member and the raised door panel.

Abstract: A method for manufacturing a wood veneer surfaced furniture top with a profiled edge, utilizing a special tool and process, which when used collectively, eliminates the need for certain relatively costly machinery and manufacturing processes.

Abstract: The invention relates to a motor-driven hand tool for machining of workpieces, in particular planar workpieces, having a guide surface which can be placed on the workpiece to be treated, and a face milling cutter for processing which projects past the guide surface, and which has an axis of rotation extending perpendicularly to the guide surface.

Abstract: A keying system for a miter joint with a work holder for engaging the outer surfaces of the boards when assembled. A flat planar tool guide is fixed to the work holder and has a slot that receives and guides a router tool to cut a slot through both boards triangularly shaped in its longitudinal direction and shaped in cross section as the cutting tool. Keys having a shape complementary to the slots in both directions are fixed in the slots to both decorate and support the joint.

Abstract: A planer-type face milling machine for processing wood having a drive motor that is coupled to a work spindle, which supports, on a free end, a milling head, which on its front side supports cutting edges, the milling head being configured particularly as a disk-shaped body, running parallel to the workpiece surface, the milling cutting edges being supported by a cutter, particularly a planar one, furnished with main and secondary cutting edges, and removably arranged on the milling head, is configured as a particularly effective and-tool machine in that the planer-type face milling machine is correspondingly small and light and has a housing having a handle, the milling head supporting a cutter without a main cutting edge and having only at least one secondary cutting edge.

Abstract: A drilling template for carving into the lateral edge or the jamb of a door, a slot shaped and dimensioned to receive either a lock and its mounting plate or its strikeplate has a series of drill bit bores at regular spaced-apart intervals along a central line, a pair of lateral legs, and mounting holes corresponding to those of the lock or strikeplate. A drill is used to rout the lock blade slot through the drill bit bores. Guides in either side of the bores prevent lateral movement of the bit, but allow slight longitudinal swing to remove material that may remain between holes. The height of the guides may be varied along the length of the template to guide the routing for a slot of more uniform depth. Lateral spacers are provided to align the template against the angled part of the door jamb. A specialized routing drill bit is provided for drilling the strikeplate or lock channel. The bit has central pilot shaft for tracking within the lock blade slot and a removable circular toothed disk.

Abstract: A hole-cutting device for attachment to a portable electric drill or similar rotating machine. The device has a cylindrical body with a rearward edge and a forward edge; a mounting plate is affixed across the rearward edge, and a series of chipper teeth are affixed about the forward edge. Each chipper tooth has a transverse cutting edge and a second cutting edge in substantial alignment with the wall of the cylinder, but alternate chipper teeth have second cutting edges displaced inwardly and outwardly from the cylindrical member.

Abstract: In a cutting head with exchangeable hard metal cutting blades for woodworking, wherein the cutting head includes a body with a center hub portion and arms extending radially therefrom and having support surfaces with cutting blades mounted thereon, the support surfaces and the cutting blades have cooperating stop means for axially and radially positioning the cutting blades on the support surfaces and clamping means are provided for firmly engaging the cutting blades with the support surfaces while they are held in contact with the stop means, and a cutting blade is mounted on each arm of the cutting head.

Abstract: One or a plurality of machined timber elements of complimentary first and second configuration wherein each element is characterized by having at least one face surface (1,2) and one abutment surface (3,4) wherein said abutment surface incorporates in said first configuration an elongate undercut slot or female dovetail (5) and in said second configuration incorporates a correspondingly shaped, undercut elongate protuberance or male dovetail (8) and said abutment surface is not orthogonal in relation to said face surface such that said first timber element configuration and said second timber element configuration are adapted for co-operative engagement to effect the joining together of a first timber element incorporating said first timber element configuration with a second timber element incorporating said second timber element configuration whereby the undercut slot of said first timber element interengages with the protuberance of said second timber element to form a self locking joint.

Abstract: An improved debarking apparatus, which includes a substantially, cylindrically shaped debarker head having a plurality of cutting blades to form its out peripheral surface, the debarker head mounted on a central shaft so that it may rotate freely on the shaft during the debarking process. In a first embodiment, the improved assembly would incorporate a pair of depth control bearing collars, mountable on an existing pillow block bearing, the bearing collar incorporating an adjustable shoe which includes an arcuate lower surface for making contact with the bark of the log that is being debarked, so as to select the precise depth of cut into the bark by the cutting blades of the debarker head.

Abstract: A flat drill bit having a shaft with an axis of rotation and a flat drill bit head connected to the shaft. The flat drill bit head includes opposing flat front and back faces, left and right edgewalls between the front and back faces, and a bottom endwall connected to the left and right edgewalls. The left and right edgewalls are angled relative to the front and back faces so as to define left and right cutting edges that are parallel to the axis of rotation. The bottom endwall includes left and right sections, each being angled in opposite directions relative to the front and back faces so as to define left and right bottom cutting edges. The bottom endwall of the drill bit head has a rounded shape thereby providing curved left and right bottom cutting edges. In an alternate embodiment the bottom endwall is generally straight, thereby providing straight left and right bottom cutting edges.

Abstract: A drilling/cutting bit for forming joints in wooden members to be connected together by a coupling. The bit simultaneously forms a smaller width slot, a larger width slot, and a curved transition between the slots.

Abstract: A drill/cutting tool for making joints in wooden members for receiving a metal plate connector. The drill/cutting tool can bore a hole, and then simultaneously cut a smaller width groove and larger width groove from the hole to complete forming the joint. Also, a method of making a joint in wood members.

Abstract: A stump grinder adapted to be attached to and driven by a bushhog in which a vertical plate is attached to a horizontal circular plate having means for attachment to a bushhog. The vertical plate comprises a central wedge-shaped bit having a pair of cutting surfaces and a pair of sloped outer portions carrying a plurality of carbide cutting teeth. The carbide cutting teeth may be removably attached to the vertical plate.

Abstract: A router bit for laterally cutting through sheets of wood product, such as plywood and the like. The bit includes a shank portion adapted to be gripped in the chuck of a router, a fluted portion, and a tip. The fluted portion has two helical left-hand flutes. Each flute has a cutting edge and a web portion having a convex surface that extends rearwardly and immediately inwardly from the cutting edge, without a land, in a continuous curve. The flutes are formed by parabolic grinding. In one embodiment the tip is conical in shape and has two diametrically opposed tip flutes for cutting axially into a workpiece. In another embodiment the tip is flat and the bit is adapted only to cut laterally through the workpiece.

Abstract: The milling tool, in one form, has a shank having a shank rotation axis, a first cutting-edge carrier having at least one cutting edge and at least two arched areas and a second cutting-edge carrier having at least one cutting edge and at least two arched areas. The arched areas are shaped and positioned to form a tubular socket in which the shank is attached with both cutting-edge carriers radially projecting in a lobe-like manner from the shank and being rotatable about the shank rotation axis. The at least two arched areas of both cutting-edge carriers are spaced from each other axially, have surfaces normal to the shank rotation axis, arch in the same direction and are displaced from and parallel to the shank rotation axis so that the first and second cutting-edge carriers mutually overlap to form the tubular socket for the shank so that, when the shank is attached in the tubular socket, the cutting-edge carriers are locked against each other.

Abstract: The apparatus is used for forming a diamond shape on ornamental chains (C) of variable width, and comprises a support having a slide guide flange (1A) with an intermediate gap (3) for the space required for the diamond-shaping tool (5), a shoe for lateral pressure against the support and, to serve as guide means acting along the edge (B1) of the chain opposite the edge (B) to be given a diamond shape, two pressers (14) acting independently on said edge (B1) adjacently to said gap (3).

Abstract: A router bit body has an open center space that permits plunge cutting and that facilitates the ejection of chips from the router bit body. The knife is screwed to a sloping knife-supporting plane surface that underlies and reinforces the knife and that reduces the stresses in the mounting screw. The knife-supporting plane surface lies in a plane through which the angle of rotation passes obliquely.

Abstract: Disclosed is a bit which can be cut both axially and laterally, and which is especially useful to cut an access opening in a sheetrock panel covering an electrical outlet box. The bit self-guides itself laterally around the periphery of the outlet box so that the opening will correspond to the shape of the box. The configuration of the bit permits it to be made in an unusually small diameter so as to minimize the width of the slot it cuts.

Abstract: A specialized, solid, cylindrical tool bit for cleaning uneven surface material from the bottom or floor of a dado channel previously cut in a workpiece. The bit operates at rotation speeds in excess of 10,000 revolutions per minute and has a cutting member having a cutting edge along only the bottom of the cutting member. The cutting edge has four cutting teeth spaced equidistant from each other and circumferentially close to an axis of rotation of the bit. The teeth and body member cooperate to dissipate the heat generated by the high speed rotation of the bit during the cleaning operation of the bit. The entire outer circumferential surface of the cutting member presents no cutting edge for engagement with the side walls of the channel cut in the workpiece. This tool bit performs the task of creating a perfectly flat plane on the bottom surface or floor of the dado channel.

Abstract: Shims are selectively added to, in one form of the invention, or removed from, in another form of the invention, the space between a cutter body and a circular saw blade in a cutter tool assembly for cutting a round on wood products, to compensate for the change in cutting radius that occurs when the tool is sharpened.

Abstract: A tenon forming tool which is an attachment for a powered hand drill.

Abstract: The present invention concerns in brief a drill (1) for making of preferably through installation bores, through which bores flexible shafts, cables and the like can be lead in. The drill (1) comprises a bore crown (2) and a shank (3). The bore crown (2) has main cutting edges (6, 7) for forward drilling, side cutting edges (8) for radial drilling, and end cutting edges (9) for rearward drilling. The shank (3) preferably has a significantly smaller thickness than the area being drilled by the main cutting edges (6, 7).

Abstract: This combination tool (10) includes a body (12) attachable to a drill press (16) by means of a shaft (14). The body includes an end face (34) for attachment of an abrasive finishing disc (36) and provides a mounting for cutter inserts (40). Each cutter insert includes a horizontal cutting edge (46') and a vertical cutting edge (48'). The cutter inserts (40) are generally rectangular and are mounted to vertical abutment bearing faces (52) on the body, utilizing a single fastener (56).

Abstract: A cutter body has a plurality of detachable blades mounted in a cutter body plate which extends into a hub that is mounted on a power shaft. Each blade comprises an upper blade edge and a lower blade edge held in place by a block which is removably retained on the cutter body by means of setscrews. Accordingly, it is unnecssary to weld or braze any of the parts in place.

Abstract: A rotary hole sizing tool for enlarging a pre-existing hole comprising a shank portion, a disk-like cutting member having cutting edges formed on the axially advancing face thereof, a pilot member for engaging the walls of the pre-existing hole and aligning the cutting member on the center of the pre-existing hole, the pilot member including a stepped shoulder of reduced diameter forming an undercut clearance between the pilot member and the cutting member, and screw means for securing the pilot member and the cutting member to the mandrel.

Abstract: A set of two cutting units are located on the end of a tool to be rotated. The cutting units are radially aligned and on a bevel. Each blade on each cutting unit has a radial rake of at least 60 degrees, a clearance angle, and serrations cut at an angle normal to the cutting edge to provide a series of points extending along that cutting edge.

Abstract: A cutting tool for milling solid propellant for rocket motors includes a cutting arm that is fixedly attached at a center location to a rotatable arbor or shaft. The cutting arm has a cutting blade and inwardly located hole at each end with each of the blades facing in cutting position substantially parallel to the axis of rotation of the arbor, the heels of the cutting surfaces being ground off to avoid or eliminate drag and resultant friction on the milling surface.

Abstract: A shank is provided for stationary support from a rotary drive structure with the shank coaxial with the axis of rotation of the drive structure. The shank includes a head on one end having an outwardly opening bit receiving bore formed therein coaxial with the shank. An open ended slot is formed through the head transverse to the bore and opens laterally outwardly in the direction in which the bore opens. A twist drill bit is provided and has a longitudinally extending flat on its shank end and the shank end of the drill bit is snugly received within the bore with the flat thereon substantially coplanar with one side of the slot laterally outwardly of which the shank end is disposed. An elongated cutting plate is snugly slidably received in the slot and against the flat with one end portion of the plate projecting outwardly of the corresponding end of the slot.

Abstract: A laterally movable hand held motor driven cutting tool adapted to cut grooves of predetermined depth in wood, has a cutting bit with a hollow tubular cutting end. A plurality of peripheral chisel shaped cutting edges are formed in the tubular end. The cutting edges are spaced by semi-elliptical knife-like portions of the tubular end. A depth adjusting ring and guide are provided to control the depth of the grooves.

Abstract: A cutting tool assembly having a cutter head including a pair of jaws defining a slot therebetween with a knife plate having a pair of axially symmetrical cutting edges being exchangeably mounted in the cutter head in the slot between the jaws is provided with a setscrew adjustably connecting the knife plate on the cutter head and with a pair of support members arranged at the base of the slot between the knife plate and the cutter head cooperating with the setscrew to enable adjustment of the knife plate. The support members are internally threaded and interconnected by a bolt having oppositely threaded portions with oblique abutment surfaces being formed on the support members for engagement with the knife plate.

Abstract: Apparatus for reducing a log to chips comprising a rotatable cutter head adapted for translational movement relative to a log, and carrying a cutting element, such element comprising a length of open-ended tubular or segment there of material having a leading beveled cutting edge which attacks the log to cut away a chip which travels away from the log through the tubular cutting element. The cutting element is matingly and removably received in an appropriate recess in the cutter head thereby providing for mounting of the cutting element on the cutter head with a preselected segment of the leading edge of the cutting element exposed to attack the log.

Abstract: A cutter for use on wood working tools such as for carving machines which is formed from a tubular segment cut along two planes which are nonparallel and nonperpendicular to the tube axis to provide cutting edges and adequate tool edge clearance, so that the rotating cutting tool can be moved axially along its rotational axis and cut cleanly in this direction as well while moving the tool in direction transverse to the rotational axis.