Abstract: A cutting apparatus includes a chuck table for holding a workpiece thereon, and a cutting unit for cutting the workpiece held on the chuck table. The cutting unit includes a spindle, a mount base fixed to a distal end of the spindle and having an annular coupling face extending around an axis of the spindle and external threads on a distal end portion of the mount base, a ring-shaped ring mount coupled to the coupling face of the mount base and having an annular support surface supporting a surface of an annular base of a hub blade, a coupling mechanism coupling the ring mount to the coupling face of the mount base, and a nut threaded over the external threads of the mount base.

Abstract: The present invention provides fire protection for pole access points and pole interiors. In accordance with preferred embodiments, the present invention provides a fireproof hole plug assembly which includes an intumescent gasket and a securing fireproof hole plug. According to further preferred embodiments, the intumescent gasket of the present invention is preferably cut to fit the fireproof hole plug and positioned to act as a barrier between the access point and external heat sources.

Abstract: A holder assembly for a circular saw tool includes a blade having a bore. The blade is mountable to a free end of a rotatable shaft or of the tool through the bore. The blade is further adapted to be held in a pressing manner between an inner flange and an outer flange on the shaft. The holder assembly is comprised of at least one depression formed on a circumferential surface of the free end of the shaft, and at least one clutch member (or dogs) paired and mounted about the at least one depression, and located between the bore of the blade and the shaft. The holder assembly provides improved gripping while safety or emergency braking.

Abstract: A wheel cutter for cutting a flexible glass substrate and a cutting method thereof are provided and the wheel cutter has a first disk surface and a second disk surface; a circumferential cutting edge formed by the first disk surface and the second disk surface extending outwardly and intersecting each other; a central shaft hole; and a hollow region connected to the central shaft hole; a plurality of recesses distributed on the circumferential cutting edge and communicating with the hollow region; wherein the hollow region is a double cone structure configured to allow cleaning an inside of the wheel cutter.

Abstract: A fixation device includes a housing, first and second shafts, first blade, and second blade. The housing includes a leading surface and trailing surface. The first and second shafts run from the leading surface to the trailing surface. The first blade has a first extension with a sharp edge extending from the first shaft in a first orientation about the first shaft. The second blade has a second extension with a sharp edge extending from the second shaft in a second orientation about the second shaft. The first blade is rotatable according to the first orientation and the second blade is rotatable according to the second orientation, such that the first extension and the second extension are enabled to break an endplate of a vertebra, hook into the vertebra, and rigidly secure the vertebra to the device to prevent separation of the vertebra from the device during spinal motion.

Abstract: Disclosed is a quick release lock for blades mountable to a motor driven rotary tool consisting of a tool mount for mounting to the mandrel of a motorized tool. A blade retainer and lock ring positioned on each side of a user provided blade with the blade retainer providing a bore having a plurality of channels and rails and the tool mount having a collar with corresponding exterior helical channels and rails whereby the blade retainer can quickly mounted onto the tool mount.

Abstract: An apparatus for cutting food products. The apparatus includes a cutting device and housing thereabove that defines a passage with an opening in proximity to the cutting device for delivering the food product to the cutting device. The apparatus is preferably adapted to cut food products in a substantially horizontal plane, and as such the cutting device is preferably oriented to make a substantially horizontal cut through a food product. A lower portion of the housing has a lower extremity that defines the opening of the passage. The apparatus is equipped with various features that improve the operation of the apparatus and the consistency of the sliced product, particularly if the delivered food product varies in shape and size and may contain embedded stones.

Abstract: A handheld engine-driven cutter is provided with a disk blade and a four-stroke engine that drives the disk blade, a filter through which air provided to the four-stroke engine passes, a carburetor that mixes fuel and the air that passed through the filter, a casing that houses the filter and the carburetor, and a filter bracket intervened between the filter and the carburetor, which guides the air having passed the filter to the carburetor. An oil separator is formed integrally with the filter bracket that protrudes out toward the carburetor.

Abstract: There is provided a surgical saw blade for use in orthopaedic surgery. The saw blade comprising: a mounting cavity having a first substantially triangular-shaped opening and a second substantially triangular-shaped opening in communication with, and inverted relative to, the first opening, the first and second opening collectively define two mounting slots that form an angle relative to one another. In some embodiments, the planar portion further comprises an offset planar shelf. The offset shelf may be oriented along the length of the planar portion to allow for longitudinal reciprocation or may be oriented across the width of the planar portion to allow for lateral reciprocation.

Abstract: An apparatus for cutting food product includes at least one knife having longitudinal ends and a hollow spindle. The knife has a central region therebetween and a base and opposite sides located along a longitudinal extent thereof. The hollow spindle has a slot for receiving the knife. The slot has a base wall for engaging and supporting the base of the knife and side walls for engaging and supporting the sides of the knife. The spindle includes a circumferential wall in which at least two circumferential gaps are present to segment the wall into at least two end wall segments and a third wall segment therebetween. The gaps separate the slot into at least two end slot segments and a third slot segment therebetween that are complementary to and receive, respectively, the base and side walls of the knife at the longitudinal ends and central region, respectively, of the knife.

Abstract: A rotating blade for a cutting machine. The blade defines an arbor hole for an arbor typically having at least three sides. The preferred arbor hole includes first and second sides each of which conform to adjacent sides of the arbor, a short side joining the first and second sides, a third side connected to the first side, and a fourth side connecting the third side to the second side.

Abstract: A saw blade includes a saw blade body having a first face, a second face opposing the first face, and an axis of rotation extending between the first face and the second face. The saw blade includes a cutting element disposed about an outer periphery of the saw blade body. The saw blade includes a spline arbor interface portion disposed about an inner periphery of the saw blade body and having a peripheral face defining an eye disposed substantially collinearly with the axis of rotation of the saw blade body. The saw blade body defines a relief portion extending along at least a portion of an edge between the peripheral face of the spline arbor interface portion and at least one of the first face and the second face.

Abstract: A ripsaw includes an arbor that receives a plurality of blade assemblies each having a spindle with a saw blade affixed thereto. The blade assemblies are slidable on the arbor to any selected positions. Each blade assembly has an associated blade-positioning unit for moving the blade assembly to a desired position along the arbor. The blade-positioning units are supported by a rail assembly along which the blade-positioning units slide. The blade-positioning units are moved along the rail assembly by linear motors. A first group of the blade-positioning units has a first linear motor for moving the units of the first group, and a second group of the blade-positioning units has a second linear motor for moving the units of the second group. The two groups of blade-positioning units are interleaved on the rail assembly, and the associated blade assemblies are similarly interleaved on the arbor.

Abstract: A spacer disc is placed onto the drive shaft of a hand-held grinder to position a cut-off disc or cut-off wheel at or beyond the end of the shaft. An annular insert at the proximal face is placed against the backing plate and a concave distal face is positioned against the cut-off disc. The spacer disc is composed of a spacer body of semi-rigid material with an open axial core. A flanged retainer nut secures the cut-off disc onto the grinder shaft against the distal face of the spacer disc. This arrangement permits the tool to be held with the cut-off disc flush to a flat workpiece surface.

Abstract: A power cutter comprising an engine mounted within a housing, a support arm mounted on and projecting forward of the housing and a blade mounting mechanism rotatably mounted on the end of the support arm which is capable of being rotationally driven by the engine. A cutting blade having a circular central hole mounts on and is rotationally driven by the blade mounting mechanism. The blade mounting mechanism comprises a spindle rotatably mounted on the support arm, an adaptor upon which the cutting blade is mounted, and a clamping mechanism capable of axially and angularly locking the cutting blade to the spindle. When the blade is mounted on the adaptor, the central hole of the blade mounts on the corresponding one of a plurality of differently sized radial support surfaces on the adaptor so that the axis of rotation of the blade is substantially co-axial with that of the spindle.

Abstract: A rotary cutter for a brush cutter. The cutter has a rotatable cylindrical drum with a plurality of flat, annular, collars mounted on the drum. The collars are fastened to the drum by their inner circular edge, are equally spaced apart on the drum, and extend transverse to the rotational axis of the drum. A cutting tooth mounting block is mounted between each adjacent pair of collars, the block located at the outer edge of the collars and spaced above the surface of the drum to provide a gap for passing chips and residue. The mounting block carries a detachable cutting tooth, the tooth extending forwardly generally tangentially from the block and terminating in a cutting edge above the collars.

Abstract: Apparatuses are disclosed that include equipment suitable for forming selected perforation designs and patterns in web substrates. The perforation designs and patterns can be formed in linear or nonlinear fashion, can extend in the cross direction or the machine direction and can be formed to complement or match an embossed or printed design on the web. The perforation designs and patterns can be formed utilizing various mechanical perforating techniques.

Abstract: A rotating shaft (23) is inserted through an axial center of a cutter wheel tip for scribing a brittle object. The rotating shaft (23) is integrally provided with the cutter wheel tip. The rotating shaft (23) is inserted into supporting holes (14) provided in side walls (11) of a tip holder (11) so as to be supported. A groove (13) is formed in an upper portion of each supporting hole (14) along an axial direction of the supporting hole (14).

Abstract: A rotating shaft (23) is inserted through an axial center of a cutter wheel tip for scribing a brittle object. The rotating shaft (23) is integrally provided with the cutter wheel tip. The rotating shaft (23) is inserted into supporting holes (14) provided in side walls (11) of a tip holder (11) so as to be supported. A groove (13) is formed in an upper portion of each supporting hole (14) along an axial direction of the supporting hole (14).

Abstract: A rotating shaft (23) is inserted through an axial center of a cutter wheel tip for scribing a brittle object. The rotating shaft (23) is integrally provided with the cutter wheel tip. The rotating shaft (23) is inserted into supporting holes (14) provided in side walls (11) of a tip holder (11) so as to be supported. A groove (13) is formed in an upper portion of each supporting hole (14) along an axial direction of the supporting hole (14).

Abstract: A saw blade includes a saw blade body having a first face, a second face opposing the first face, and an axis of rotation extending between the first face and the second face. The saw blade includes a cutting element disposed about an outer periphery of the saw blade body. The saw blade includes a spline arbor interface portion disposed about an inner periphery of the saw blade body and having a peripheral face defining an eye disposed substantially collinearly with the axis of rotation of the saw blade body. The saw blade body defines a relief portion extending along at least a portion of an edge between the peripheral face of the spline arbor interface portion and at least one of the first face and the second face.

Abstract: A cutting wheel having a disposable blade is a constructed of a disposable blade wheel, an inner support wheel and an outer support wheel to define a three part cutting assembly. An interior hub adapted to be mounted to the three part cutting assembly to provide a cutting wheel assembly. The disposable blade wheel is adapted to be connected to the inner support wheel and the outer support wheel, and may be located between the inner support wheel and outer support wheel. In the three part cutting assembly, an outer periphery of the blade wheel extends radially outwardly of an outer periphery of the inner support wheel and of an outer periphery of the outer support wheel to provide a cutting surface having a cutting edge. The cutting edge comprises a cutting material such as hardened tool steel, high carbon steel, non-ferrous alloys or the like.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: A rotary cutter drum includes a cutter portion formed of a multiphase material and includes first and second substantially cylindrical, radially outwardly exposed surfaces, and a knife member formed of one piece with the exposed surfaces and arranged to axially separate the first and second surfaces from one another. The knife member protrudes by a distance in the range of 1 to 5 mm radially outwardly beyond a smallest diameter portion of the first and second exposed surfaces. The knife member includes two sides terminating at respective ones of the first and second exposed surfaces.

Abstract: A drum for a creasing device, a resilient creasing ring and method are provided. The drum includes first and second drum parts that cooperate with one another to define a circumferential channel of the drum a base and two side wall for receiving a resilient creasing ring. At least one of the side walls includes recess for receiving a portion of the resilient creasing ring such that the resilient creasing ring cannot be removed radially from the channel. The creasing ring may be continuous or a split ring.

Abstract: A saw blade lifting mechanism for a sawing machine includes a fixed table having a bottom transverse rod, a bracket pivoted to, a support member fastened to the transverse rod and provided with a sliding slot, a swinging member pivoted to the bracket and turnable backwards and forwards, a motor fixedly fastened to the swinging member and provided with an output shaft fastened with a saw blade, a first connecting member pivoted to the bracket, a second connecting member pivotally coupled between the first connecting member and the motor, a knife member affixed to the second connecting member, and a guide member affixed to the second connecting member and moveably inserted into the sliding slot of the supporting member such that when the swinging member is turned backwards or forwards the saw blade and the knife member can be synchronously lifted up or lowered down.

Abstract: A cutter blade is relatively moved along an outer periphery of a semiconductor wafer, and dust generated at a tape cutting site by the cutter blade and attached to an upper surface of the protective tape is collected with a dust collecting member which relatively moves with the cutter blade with respect to the semiconductor wafer, and the dust collected at a predetermined portion is suctioned and removed with a suction nozzle after the completion of tape cutting.

Abstract: A circular saw blade is provided with a first bore of a first size, configured for engagement with a first size arbor. The disk also has a second bore of a second size configured for engagement with a second size arbor. The second bore is disposed concentrically with the first bore, and is placed within a knockout portion of a disk secured to a face of the saw blade. The knockout portion is removable for enlarging an inner transverse dimension of the disk beyond that of the first bore. The second transverse dimension is within an ISO H7 standard tolerance. The disk is thus configured for mounting the second bore on the second size arbor, and alternatively for removing the knockout portion to mount the first bore on the first size arbor.

Abstract: A rotating shaft (23) is inserted through an axial center of a cutter wheel tip for scribing a brittle object. The rotating shaft (23) is integrally provided with the cutter wheel tip. The rotating shaft (23) is inserted into supporting holes (14) provided in side walls (11) of a tip holder (11) so as to be supported. A groove (13) is formed in an upper portion of each supporting hole (14) along an axial direction of the supporting hole (14).

Abstract: A perforation apparatus particularly useful for creating perforations in a foam-in-bag cushion and methods of using such apparatus are provided. The perforation apparatus is comprised of a frame, a main shaft mounted in the frame so as to be rotatable about a central axis, at least one needle roller coupled to the main shaft such that rotation of the main shaft moves the needle roller through a predetermined arc of motion out of and into an operative position adjacent to and perforating a plastic film advancing past the needle roller, and an actuator coupled with the main shaft and operable to rotate the main shaft so as to move the needle roller. Optionally, the apparatus is further comprised of at least one backup roller. Methods of preparing and perforating a foam-in bag cushion using the perforating apparatus are also provided.

Abstract: A circular saw clutch assembly includes an elongated rod that is coupled to a table saw assembly. A peripheral flange is integrally attached to the rod. The flange has a plurality of ball bearings mounted therein. A first washer abuts the flange and includes a plurality of depressions therein positioned for removably receiving the ball bearings. The rod is extended through a saw blade. A first fastener secures the saw blade against the first washer. A second washer is abutted against the flange. A biasing assembly is positioned on the rod and biases the second washer against the flange so that the second washer biases each of the ball bearings into one of the depressions. The rod rotates freely of the first washer and the saw blade when an item being cut by the saw blade arrests rotation of the saw blade.

Abstract: A rotating cutting apparatus comprising a cutting blade holder with at least one hole on the outside diameter of the cutting blade holder into which cutting blades are inserted and bonded to the cutting blade holder. The cutting blade holder encloses a center hole, so that the rotating cutting apparatus can be mounted to a drive shaft of machinery or secured to a cup that can be mounted to the drive shaft of machinery and driven by the machinery. The cutting blade holder can be made of a less expensive material, with only the cutting blade being made of higher-grade materials that maintains its cutting edge well. Additionally, in some arrangements of the present invention, the cutting blade may be sharpened on two sides so that the rotating cutting apparatus can be used for longer periods of time.

Abstract: Centering elements effectively reduce the clearance between a shaft and a rotatable element, such as a blade-fixing flange of a dicing saw for use with semiconductor substrates or carrier substrates. The centering elements may be used to substantially align a center of mass of a rotatable element installed onto the shaft with the axis of rotation of the shaft. The centering element may position the center of mass of a rotatable element at a position that is in substantial alignment with the axis of rotation. Methods for assembling rotatable elements onto shafts and methods for balancing such rotatable elements are also disclosed. Multiple fixtures as well as multiple centering elements may be employed. In addition, one centering element may position more than one fixture.

Abstract: A ceramic cutting device having a base, longitudinal guides mounted to the base, and a support movably mounted on the longitudinal guides. A cutting-wheel handle holder is pivotably mounted to the support. A cutting-wheel handle is mounted to the handle holder and the cutting wheel is mounted to the handle. An actuating lever is mounted in a threaded hole in the handle holder so as to immobilize the handle so that the handle can apply pressure on a ceramic piece to be cut via the cutting wheel. The cutting wheel handle has an outer periphery with at least three longitudinally extended rebates which have a geometry that reduces the frequency of vibration during scoring of the ceramic piece by the cutting-wheel. The handle further has at least one longitudinally extending planar surface for engaging with the actuating lever.

Abstract: As system for clamping an rotary tool accessory disc or blade to an output shaft of a rotary tool comprising a cam clamping mechanism and a clutch assembly wherein the cam clamping mechanism comprises: a head element threadably engageable with the output shaft at a location axially outward of the accessory disc; a cam rotatably connected to the head element and rotatable between a clamped and unclamped position, wherein the clamped position the cam exerts a compression force axially inward against the accessory disc or blade; and wherein the clutch assembly comprises: at least one first type of disc located coaxially on and keyed to the output shaft; at least one second type of disc located coaxially on the output shaft and in planar parallel contact with the first type disc; and an inner washer having an internal bore, the inner washer located coaxially on the output shaft, axially outward of and surrounding the first type disc and the second type disc, the inner washer keyed at the internal bore to the seco

Abstract: An apparatus for cutting food product so that the product is properly oriented and stabilized before and throughout the cutting operation to produce a sliced product of uniform thickness, even if the delivered food product varies in shape and size, such as when both round and elongate potatoes are used to produce potato chips. The apparatus includes a cutting device and housing thereabove that defines a passage with an opening in proximity to the cutting device, such that food product is delivered to the cutting device in a substantially vertical direction. To improve the stability of round product during the cutting operation, the housing has an upper portion and a flared lower portion immediately below the upper portion so that at least a portion of the opening of the passage is defined by the flared region and has a larger radius of curvature than the upper portion.

Abstract: A quick-action locking device for an electric power tool including a locking spindle (4) axially displaceable in the hollow spindle (2) of the electrical power tool between a working tool locking position and a working tool exchange position, and a locking lever (6) provided at the end of the locking spindle remote from the working tool and having a slider cooperating with the locking spindle (4) for displacing the same, upon a pivotal movement of the locking lever (6), to its tool exchange position, with the slider (8) having a contact region engageable with a contact surface provided at the end of the locking spindle (4) remote from the working tool (3), and with the contact surface of the locking spindle (4) having an extent, in a pivotal direction of the locking lever (6), corresponding to at least the radial distance (a) of the contact region from the pivot axis (9) of the lever multiplied, in the locking position of the locking lever (6), by a sin (?) of an angle formed by a line, which defines the radi

Abstract: Centering elements for effectively reducing the clearance between a shaft and a rotatable element, such as a blade-fixing flange of a dicing saw for semiconductor substrates or carrier substrates, installable thereon are disclosed. In addition, the centering elements may be used to substantially align a center of mass of a rotatable element installed onto the shaft with the axis of rotation of the shaft. The centering element may position the center of mass of a rotatable element at a position that is in substantial alignment with the axis of rotation. Methods for assembling rotatable elements onto shafts and methods for balancing such rotatable elements are also disclosed. Multiple fixtures as well as multiple centering elements may be employed. In addition, one centering element may position more than one fixture.

Abstract: A clamping mechanism for securing a cutting die board to a rotary support cylinder, including a double-acting pressure cylinder having a piston rod coupled to a clamping bolt which cooperates with a keyhole-shaped slot formed through the cutting die board, and an arrangement for supplying low pressure air to an extension chamber defined on one side of the pressure cylinder piston for controlling the magnitude of force applied to the bolt during extension thereof. In an alternate embodiment, a low-force releasable slip coupling connects between the piston rod and the bolt to control the extension force applied to the bolt.

Abstract: A tool head for a motor-driven, manually guided implement for receiving a rotatable cutter tool is provided. The tool head comprises a housing in which is provided a tool shaft that is rotatably mounted via bearings. Secured on the tool shaft so as to turn with it is a tool carrying mechanism for the cutter tool. This tool carrying mechanism includes an engagement plate having an engagement surface, which is oriented perpendicular to the axis of the shaft, and a centering shoulder. The engagement plate and a centering element having the centering shoulder are embodied as separate components. The engagement plate is of light weight construction and is positively connected with the tool shaft. The centering element is made of a material, the hardness of which is adapted to the cutter tool.

Abstract: A quick-action clamping device for a power tool includes a clamping spindle (4) arranged in the hollow spindle (2) of the power tool, an elastic member (5) for biasing the clamping spindle (4) into its clamping poition, in which the working tool is claming between a claming flange (7) provided on a working tool-side end of the claming spindle (4) and the hollow spindle (2), an actuation element (24) for displacing the claming spindle (4) against the biasing force of the elastic member and into its exchange position in which the working tool (3) is released, and a compansator (15) for interrupting action of the elastic member (5) on the clamping spindle (4) in the exchange position of the clamping spindle (4).

Abstract: A vibration dampener for a circular saw blade includes a concave, disc-shaped dampening plate having a recessed area within the concavity and an annular shock absorber seated in the recessed area and projecting outwardly from the dampening plate. The dampening plate and shock absorber each abut a side of the saw blade, the abutment of the dampening plate being adjacent its perimeter. The dampener is radially weight-balanced about a transverse axis around which the dampener and blade rotate.

Abstract: A table saw having a rotation structure includes a work table, a suspension rod, a swing seat, a rotation seat, a push lever, two torsion springs, and a threaded rod. When the threaded rod is rotated, the push lever is displaced horizontally to push the rotation seat to rotate, so that the circular blade is moved upward, thereby adjusting the cutting height of the circular blade. Thus, the push lever is urged by the elastic force of the two torsion springs, so that the push lever is closely and rigidly combined with the threaded rod, thereby eliminating the clearance between the push lever and the threaded rod, so that the cutting height of the circular blade is adjusted exactly and precisely, thereby enhancing the cutting efficiency of the table saw.

Abstract: A rotary die cutter for cutting a series of irregular-shaped blanks from a continuous web. The rotary die cutter includes a male die cylinder that has a series of die cavities formed along its outer circumference. Each of the die cavities includes a surrounding cutting edge that defines the shape of the blank to be cut. The male die cylinder is pressed into engagement with either an anvil cylinder or a female die cylinder to form either crush-cutting or shear-cutting nips therebetween. The continuous web is fed into the cutting nip such that the cutting edges of the die cavities contact the web to cut the blanks from the web. A plurality of vacuum ports positioned in the die cavities along the outer circumference of the male die cylinder are connected to a source of vacuum contained in the male die cylinder to remove the die-cut blanks from the web. The die-cut blanks are vacuum-transferred to a stacking unit, while the scrap web is continuously discarded by air-conveying removal.

Abstract: The invention relates to a device and method for making tenons using an adjustable shim placed between cutting blades. The adjustable shim has a plate with a recess capable of accepting spacers of varied thicknesses and a cover that encloses any of the spacers placed in the recess. The thickness of the adjustable shim is adjusted by placing spacers in the recess to shim apart the cutting blades leaving between them a distance approximately equal to the desired tenon thickness.

Abstract: A tool for machining workpieces, having a parent body which can be expanded at least zonally, having at least one geometrically defined cutting edge projecting beyond a circumferential surface of the tool, and having a setting device influencing the radial distance of the cutting edge from the center axis of the tool. The setting device has a setting element, and an adjusting device which sets the degree of bending of the setting element. The setting element is inserted into the parent body of the tool in such a way that, when the bending of the setting element is varied, the radial distance of the cutting edge is varied.

Abstract: Image data representing an image to be printed is captured, and a cutting pattern for cutting the outer form of an image printed on recording paper is selected from a plurality of different cutting patterns. In accordance with the captured image data, one or more images are printed on the recording paper in sizes and layout proper for the selected cutting pattern. Then, the outer forms of one or more images are cut on the recording paper in the selected cutting pattern. This eliminates the necessity of entering the size and layout of the image to be printed on the recording paper and editing a cutting method. Moreover, one or more images can be printed on the recording paper in a desired size and layout, and the outer forms of one or more images are cut on the recording paper in a desired cutting pattern.

Abstract: A cutting disc core for a circular shaped saw blade which has a circular shaped body which has a center hole and a circular peripheral edge upon which is to be mounted a plurality of spaced apart cutting segments that is to perform the cutting of the saw blade. Surrounding the center hole and formed within the body are a plurality of slits with there being a solid tab that is integrally connected to the body located between each directly adjacent pair of slits. The tab constitutes a frangible seal with the circular ring or bushing which is formed about the center hole to be removable by being forcibly physically separated from the body.

Abstract: A cutting blade (10, 110, 210, 310, 410) is at least partially coated with an abrasive material (30, 32, 150, 250, 350, 450) applied by spraying metal particles onto one or both face surfaces of a cutting blade. The blade (10, 110, 210, 310, 410) is durable, with the abrasive layer (30, 32, 150, 250, 350, 450) typically not requiring replacement at anytime during the file of the table.

Abstract: In a brushcutter for cutting lawn, grass, weeds and the like, a blade fixing device which can prevent a blade driven by an engine and rotating at a high speed from being severely damaged due to stone or other obstacles and can reduce the load of the engine, by fixedly installing the blade on a drive shaft with a compressive force of a spring. In the brushcutter having an engine mounted on a main body provided with a plurality of wheels mounted thereon, and a clutch and a blade mounted on the drive shaft of the engine, an adaptor is fittingly fixed into the drive shaft rotatably driven by the engine. A holder is disposed on the lower end of the adaptor and is coupled to the adaptor and the drive shaft by means of a fixing bolt. A blade is fitted into the periphery of the holder to be rotatably coupled thereto. Also, a spring is fittingly inserted between the adaptor and the holder and is mounted so as to compressively contact the blade.