Abstract: The head (1) of the planing tool includes a plurality of helical grooves (2) of dovetail cross-section uniformly distributed over its periphery. Wedging devices (6) with knives (5) resting thereon are insertable sideways in the grooves. Disposed in each wedging device is a securing arrangement (7), actuation of which causes the associated wedging device-and-knife assembly to be pressed against the outwardly tapering sidewalls (17, 18) of the respective groove and held fast. Each of the knives has two opposite cutting edges (19, 20), either of which can be brought into operating position by reversing the knife. A second groove (16) runs parallel to each first groove (2) for receiving a guide component of a knife-aligning device. Owing to the helical configuration of the grooves and the precisely aligned cutting edges of the reusable knives disposed in the grooves, vibration-free machining of workpieces with planing widths of up to more than two meters is possible.

Abstract: A hammer assembly for a rotary material crusher having a rotor. The hammer assembly includes a hammer member and a base member. The base member is mounted at one of its ends on the rotor. The hammer member is mounted on the other end of the base member. The hammer member and base member each have two pairs of concave and convex surfaces, one for absorbing centrifugal forces and the other for absorbing impact forces and meshing, one surface with the other. The pair of concave and convex surfaces for absorbing centrifugal force are behind of the centrifugal force radial line of the hammer member in the direction of rotation of the rotor.

Abstract: An improved planing head for a wood planar is the subject of the present invention. A cylindrical planing head has a plurality of slots which receive the cutting blades and gib means for holding the blades in place during the planing operation. The slots and gibs are designed so that the blade sits on the bottom of the slot and tightening of the gib forces the blade down against the slot bottom. This assures that the blade will always remain in proper alignment. It is preferable to employ jack screws in the bottom of the slot so as to provide means for adjusting the blade height as needed. In either case, the only requirement for realigning a blade when an old blade is taken out and a new blade is put in is to be sure that the bottom of the blade sits on the bottom of the slot where it will be in the exact same position as the previous blade.

Abstract: Sugar cane is processed using an apparatus, which includes an input end with a comb back conveyor for controlling the quantity of cane passing to the remainder of the apparatus; an aligning; first cleaning and thin out section, where randomly oriented cane stalks are aligned and foreign bodies, especially stones and ferrous objects are removed from the cane; a billeting or cutting section for cutting the stalks into billets; a second cleaning section in the form of a cleaning tower in which vertically moving air is used to remove leaves, dust and any other trash from the flow of cane; a chute and pivotally mounted swing conveyor for distributing cane billets in an elongated, partitioned distributing hopper; a surge elimination chute; a billet aligner and delivery unit for delivering cane billets to a plurality of separators for separating the epidermis from the cane billets and separating the rind from the core; and a discharge section, including conveyors for discharging the separated material from the appar

Abstract: A rotary cutting assembly for cutting sheets of veneer as they are moving on a conveyor belt is provided. The rotary cutting assembly (10) includes at least one rotary blade assembly (12), a conveyor belt (20) for conveying material and acting as a cutting surface, a flexible flat platen (40) positioned under the inner surface (36) of the conveyor belt (20) in vertical alignment with the rotary blade assembly (12), and a backup roller (26) positioned above the rotary blade assembly (12). The rotary blade assembly (12) includes an elongated blade holder (64) with opposed sides (66 and 68) that taper outwardly to define opposed edges (70 and 72) having longitudinal channels (74 and 76). A clamping assembly (62) that includes a grooved clamp (84) and a tapered bar (86) securely clamps a blade (18) within each of the channels (74 and 76).

Abstract: A belt cutting apparatus and method of making same are provided for cutting a non-contoured and cured polymeric belt sleeve to define an endless power transmission belt construction having at least one pair of opposed non-parallel side portions wherein such apparatus utilizes a rotatable cutting instrument comprised of a rotatable support body having a central axis, at least one rake-like cutting bar having an elongate axis and having cutting means provided thereon as an integral part thereof with the cutting means providing the belt construction, and means supporting the bar on the body with its elongate axis parallel to and radially spaced from the central axis and wherein the cutting means extends perpendicular to the elongate axis.

Abstract: A holder for mounting a knife blade in a rotating roll. The holder comprises a plural pairs of clamp members for holding a knife blade with its interior edge against a reference in a rotating roll so as to adjustably position the cutting edge of the blade along the length of the roll. Each clamp member has opposed planar surfaces for contacting a segment of the blade and each clamp member is adjustable to position its planar surface in a direction generally perpendicular to the plane of the blade. Each clamp member is also adaptable to align its planar surface to the blade direction along the length of the roll as a clamping force is applied. When clamped, the blade contacting surface of at least one of each pair of clamp members has a fixed angle so as to resist a cutting force acting perpendicular to the plane of the blade at its cutting edge.

Abstract: Rotating cutting element (1) having a row of cutters (5) placed in recesses at the circumference of a disc. Each recess has radially extending V-shaped front and rear edges (4,3), each cutter (5) has V-shaped front and rear edges (6,7) with the apexes facing away from each other. Each cutter (5) is held in the recess against an abutment (9) by means of a wedge (10) which is tensioned by means of a screw (15).

Abstract: A device for chipping wood with the aide of a combination of a cylinder rotatable about its longitudinal axis and provided with one or more protruding, longitudinal knives and a counterknife disposed along side the cylinder wherein along at least 3/4 of its length, the cylinder has a surface with transverse grooves and, viewed in the direction of rotation, in front of each knife, a slot for temporarily collecting and conducting away the chipped wood.

Abstract: A milling cutter for cutting the contaminated surface of concrete and used at the time of repairing and dismantling nuclear facilities. The milling cutter is characterized in that guide grooves are provided on the outer surface of a body, with their edges slanted from both sides of the body toward the center thereof, and that cutter chips are located along the stepped edge of each of the guide grooves in such a manner that the cutter chips can be easily detached and that those located along the stepped edges of the adjacent grooves are symmetrical in relation to the center line of the body.

Abstract: Improvements in standard planing knife holders for standard disposable double-edged planing knives which include spring means carried by the holders to engage the bottoms of related knife-receiving channels in related planing knife driving shafts to normally yieldingly urge the holders and their related knives radially outward in the channels and relative to related screw actuated clamping bars within said channels and engaging the holders and knives. An improvement comprises permanent magnets carried by the holders with south poles spaced from opposing rear surfaces of related channels and with north poles contacting and holding the knives assembled with the holders. The improvements also include secondary permanent magnets carried by the holders with south poles spaced from the knives and clamping bars and north poles contacting and holding the holders on said rear surfaces.

Abstract: The invention relates to a milling cutter having interchangeable cutter blades which are fixed in grooves in the milling cutter body by means of clamping elements. The cutter blades have integrally formed radial and axial support mountings, by which means a simple and precise mounting of the cutter blades is achieved. The seating surfaces made at the milling cutter body are made as simple, flat surfaces.

Abstract: A blade for use in shapers, planers, and the like for the shaping and surface finishing of wood. In contrast to prior art blade shapes wherein a sharpened cutting edge is scraped across the wood resulting in rapid wear of and damage to the blade, the present blade provides a cutting edge which enters the surface of the wood in a shallow chisel-like cutting action. The force on the point is along a line with maximum material behind it to prevent most damage to the cutting. The heel portion of the blade can provide a burnishing action on the surface of the wood so as to eliminate irregularities while, at the same time, resisting any frictional burning of the wood's surface.

Abstract: Disclosed is a sprocket cutter in which there is a cutter body having a plurality of pockets along its periphery and a plurality of wedge recesses facing the periphery within each pocket. There is an array of inserts disposed within each of the pockets, each of the inserts having a cutting portion and a plurality of wedges equal in number to the number of inserts and wedge recesses. Each of the wedges is interposed between each of the inserts and each of the wedge recesses so that, as each of the wedges is moved inwardly into its corresponding wedge recess, each of the inserts is securely clamped between its corresponding wedge and the pocket. Each of the inserts is positioned so that the cutting portion of each insert extends beyond the periphery of the cutter body. Each of the inserts cuts a segment of the sprocket contour as the cutter body rotates with adjacent segments of the sprocket contour being cut by inserts located in different pockets. There is also a method of assembling the sprocket cutter.

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: An apparatus for rapidly changing a plurality of knives secured within a knife cylinder of a paper cutting or perforating machine includes a pressure generator for pressurizing a plurality of pressure cylinders which actuate a force transmission mechanism for bracing the knives securely within the knive cylinder. A pressure conduit system includes a device for admitting a pressure medium into the system and a device for bleeding the system. A biasing mechanism is provided to maintain pressure within the conduit system.

Abstract: A rotary cutter assembly for cutting or milling the edge of a workpiece which is formed of layers of different materials. The rotary cutter assembly comprises a first cutter head and a separate second cutter head disposed in mutual coaxial relationship. The rotary cutter assembly is adapted for rotation about the mutual coaxial axis. The first cutter head includes at least one cutter blade pocket open to the perimeter of the first cutter head, a cutter blade received within the cutter blade pocket with its cutting edge protruding from the pocket opening beyond the perimeter of the first cutter head, and an adjustment device for adjusting the distance by which the cutting edge of the cutter blade protrudes beyond the perimeter of the cutter head. The second cutter head includes at least one cutting edge formed in the perimeter of the second cutter head.

Abstract: A plurality of planer cutters are mounted on a center piece of a planer tool. A clamping flap and mounting bolts connect the cutter to the center piece. The cutter has a groove adapted to receive the collars of adjusting screws to radially adjust the cutter. The flap is connected to the center piece at two circumferentially spaced locations so that a long flap can be employed which is shaped complementarily to the shape of the cutter profile.

Abstract: A cutter block for a motor driven hand planer includes a roller body which is composed of two profiled bodies of equal cross section. The two profiled bodies cooperate with each other to grip a planing knife therebetween. Between the profiled bodies and a supporting shaft, centering spring elements are provided in respective recesses of the shaft. For tightening the profiled body and gripping of the interposed planing knives, shank screws are used which extend through the roller body. Perpendicular to the shank screws and parallel to the gripping surfaces of the profiled bodies are adjusting screws for transverse movement of the profiled bodies relative to each other and with respect to the shaft. Consequently, the position of the planing knife is adjustable.

Abstract: A scratcher element in a cutter arrangement of a wood-cutting tool is formed of a rectangular plate and two projections outwardly extended from the side faces of the plate. The scratcher element is inserted in a special slot formed in a supporting strip of the cutter arrangement. These two projections each have a cross-section of the shape of a segment of the circular disc.

Abstract: A cutter head system for a woodworking tool in which one or a plurality of discrete cutter segments may be mounted on a shaft of a selected length to form a cutter head for either a jointer, a planer or a molding cutter. Each segment has a plurality of slot portions spaced about its outer periphery and is adapted to be mounted on a shaft so that the slot portions of ganged segments form continuous slots which are substantially coextensive with the segments. A plurality of blade members are positioned within and are coextensive with the slots, wedge plates are positioned within the slots for releasably securing the blade members against the cutter segments, and mounting screws urge the wedge plates against the blade members. Sets of blade members and wedge plates of varying length are used which correspond in length to the length of the slots formed by the segments.

Abstract: A belt cutting apparatus and method of making same are provided for cutting a non-contoured and cured polymeric belt sleeve to define an endless power transmission belt construction having at least one pair of opposed non-parallel side portions wherein such apparatus utilizes a rotatable cutting instrument comprised of a rotatable support body having a central axis, at least one rake-like cutting bar having an elongate axis and having cutting means provided thereon as an integral part thereof with the cutting means providing the belt construction, and means supporting the bar on the body with its elongate axis parallel to and radially spaced from the central axis and wherein the cutting means extends perpendicular to the elongate axis.

Abstract: A cutting roller for a hand-operated planing tool includes an elongated primary member and two pressure members, symmetrically surrounding the primary member at two side faces thereof. A plurality of planing knives are clamped between the pressure members and the primary member. The cutting roller is provided with fit elements which are attached to the primary member and fit in the recesses formed in the pressure members. During the assembly the fit members are aligned with the bearings of the cutting roller in the housing of the planing tool and then are attached to the primary member. The planing knives thereby are always aligned in the correct position with respect to the primary member. The pressure members are secured to the primary member by bolts.

Abstract: An improved cutter knife for wood chip and flake producing apparatus includes shallow grooves in either the heel face or the gullet face of the knife intersecting the cutting edge and extending away from the cutting edge. The depth of the grooves is less than the depth of cut of the knife, and the grooves and corners formed by the grooves with the cutting edge provide an aggressive serrated cutting edge which penetrates into the wood and remains sharp longer than conventional cutting edges. Also disclosed is a novel wood flake material in which flake members have a larger area of exposured grain than of exposed side grain, thereby providing a short fiber length flake which can absorb moisture quickly by means of the exposed end grains, and can also dry quickly. The flake material is particularly useful as a bedding material for animals.

Abstract: A belt cutting apparatus and method of making same are provided for cutting a non-contoured and cured polymeric belt sleeve to define an endless power transmission belt construction having at least one pair of opposed non-parallel side portions wherein such apparatus utilizes a rotatable cutting instrument comprised of a rotatable support body having a central axis, at least one rake-like cutting bar having an elongate axis and having cutting means provided thereon as an integral part thereof with the cutting means providing the belt construction, and means supporting the bar on the body with its elongate axis parallel to and radially spaced from the central axis and wherein the cutting means extends perpendicular to the elongate axis.

Abstract: A blade holding arrangement for cutter spindles or cutter heads which are adapted to be equipped with reversible blades. The arrangement including radially adjustable blade holders in the form of drawn profile sections, with the blades adapted to be pressed against guide shoulders of the cutter spindles or cutter heads. The blade holders are provided with a reinforcing elevation or projection that slopes downward in a direction of the guide shoulders. A groove, extending in parallel to the reinforcing elevation or projection, is provided in the blade holder adjacent the reinforcing elevation or projection on a radially inner side of the blade holder.

Abstract: A blade holding device is provided for use with a blade and a cylinder, the cylinder having a longitudinal recess defined in the periphery thereof parallel to the axis of the cylinder. First and second wedge members are fittable within the recess, each wedge member having an inner face and an outer face. A plurality of spring members is included, along with a resilient strip for holding the spring members in relative positions. The wedge members are insertable within the recess such that the resilient strip holding the spring members is disposed adjacent the outer face of the first wedge member. The blade is disposed between the resilient strip and a wall of the recess. Relative movement of the wedge members is performed by a bolt threadingly engaged with an end of the second wedge member and held in relative position with respect to the cylinder, whereby the blade is clamped between the first wedge member and the recess wall.

Abstract: A holding device for a rotary cutter has a supporting member extending over a greater part of each cutting element and having a web and holding tongues provided with an openings for receiving tightening screws, an abutment surface for abutting the cutting element and determining a projecting length of the latter, a wearing member fixed in the body part for abutment of the rear surface of the cutting element, a locking member for fixing the wearing member, a centrifuging wedge member with a wedge surface pressing the cutting element against the wearing member, wherein the wearing member has a locking groove which is open toward the cutting element and forms the abutment surface and in which the web of the supporting member is received in a form locking manner, and the centrifuging wedge member lies with its wedge surface directly against the front surface of the cutting element.

Abstract: The cutter head is adapted to cut material such as wood, frozen meat, vegetables and the like into pieces of predetermined length, width and thickness. The cutter head has a rotor body of a cylindrical shape formed with at least one axially extended piece-receiving cavity that has a leading side; and a knife unit that includes a mounting section with a knife section projected outwardly from a flat side of the mounting section. The knife section has a flat leading side and a flat trailing side which intersect at an acute angle to form a cutting edge. The knife unit is supported in the rotor body with the flat side of the mounting section in a plane parallel to a plane extended diametrically of the rotor body and through the cutting edge when the leading side of the knife section is arranged opposite the leading side of the piece-receiving cavity.

Abstract: In a rotary cutter block a blade is clamped in an inwardly divergent recess by a wedge. A spring positioned between the cutter block and the wedge takes up any slack when the wedge is loosened thereby eliminating the need for operator manipulation of the wedge, blade and optional backing plate for the blade during setting of the blade. Also provided is a cam means for incrementally adjusting the blade outwardly of the cutter block.

Abstract: The cutter blades of the cutter heads of the present machine are supported in such a manner that they may be quickly and accurately adjusted for varying the cutting depth of the cutter blades. The cutter blades are supported in groove-shaped receptacles equally spaced around the cutter head and means is provided for adjustably supporting and positively locking the cutter blades in the desired adjusted position in the groove-shaped receptacles. An adjusting plate is fixed to the cutter blade by mating sawtoothlike grooves to provide a primary adjustment of the cutter blades. The adjustment plate including a guide surface which includes a gradient component extending in at least one adjustment direction of the cutting blade so that secondary adjustments may be made to the position of the cutter blade.

Abstract: A tool for use with a rotary drive is provided with a number of differently formed slots therein to receive different cutting blades in various orientations. The tool is adaptable for cutting in a radial direction and in an axial direction and can accommodate molding head cutters as well as standard 1/4-inch tool steel bits in various combinations with spacer bars to provide different cutting profiles in a radial direction and to permit surface boring and milling in the axial direction.

Abstract: A chipper knife (1) is fastened in a chuck (2). The knife has two supporting faces (15,14), which lie against two faces (25,24) in the chuck.The fastening of the tool can be improved if the rear supporting face (15) of the knife is provided with at least one finger (1a), which fits into a recess in the chuck (2) and whose bottom face constitutes at least a part of the bottom supporting face (14) of the knife.

Abstract: A planing tool has a cylindrical body with elongated axially extending grooves in which elongated inserts with planing members are received, adjusting screws extending in a radial direction and arranged to adjust the radial distance of the inserts from the axis of rotation of the body, clamping screws arranged to clamp the inserts in the elongated grooves, wherein each adjusting screws extends through an opening of the respective insert with play, and a spring element is located between a bottom wall of each of the grooves and a respective one of the inserts.

Abstract: The disclosure relates to wood chippers having a chip separation surface comprising unitary ribs which, after grinding of the cutter, form chip separator tips.

Abstract: Cutterheads operating in the gap between in-feed and out-feed tables of planers, jointers and the like wood cutting apparatus are provided with a body of increased diameter and a gib having a chipbreaker pocket shape that will expose only a minimum projection of the knife before the chip must curl into the pocket thereby reducing the potential bite of a kick back such as might occur by a tipping of the wood workpiece or by a pull out of the wood grain during the feeding of the workpiece to the cutting knives. The knives of the cutterhead protrude only as much above the cutterhead body as is required not to interfere with the advance of the workpiece per revolution of each knife, the gib is positioned with its chipbreaker pocket down from the tip of the knife no further than is necessary for chip thickness, and the chipbreaker pocket has a radius just sufficient to accommodate the curled chip at the maximum depth of the cut.

Abstract: The invention is directed to a cutting blade assembly (24) for a rotary cutter head (18) of a power planer tool (10). The blade assembly includes a pressure piece (36), and a blade carrier (60) which is mated with the pressure piece to define a blade slot (68) in which a cutting blade (70) is removably secured. The blade carrier (60) is fixed against movement relative to the pressure piece (36) by way of a dove-tail connection (46, 62) along the mating surfaces of the two pieces. The cutting blade (70) is fixed in elevation within the blade slot (68) by a projection (66) on the blade carrier (60) engaging a recess (72) on a side of the blade between its cutting edges.

Abstract: A wood incisor for perforating the surface of lumber. The incisor includes a roll having a plurality of spaced sockets in its circumferential surface. Incisor teeth are received in the sockets and are clamped in the sockets by means of camming elements.

Abstract: The specification describes a cutting tool comprising a cylindrical support having a series of cavities arranged in helicoidal rows on its outer surface; in each cavity, a tool-carrier and a chip-breaker are secured by means of a set-screw; means are provided for adjusting the height of the tool-carrier and the chip-breaker, for the purpose of adjusting the position of the blades of these elements within the cavity.

Abstract: The disclosure relates to a tool consisting of a tool body and cutter bits which are each secured in a slot in the body. By means of a tension screw which engages with the end portion of the bit located most proximal the bottom of the slot, the bit is fixedly retained in the slot under the application of a torque, the bit engaging with the slot walls at, in particular, three points; namely a point on the chipping face of the bit above a clearance disposed between this face and the slot face adjacent the bottom of the slot, a point on the rear face of the bit adjacent the periphery of the tool body, and, finally, the bottom of the slot. The tension screw engages with a surface on the bit which is located beneath a plane at right angles to the longitudinal direction of the bit through the abutment point on the chipping face of the bit, the surface preferably making an angle of approximately 45.degree. with this plane.

Abstract: The invention is directed to a cutterhead for a portable power planer. The cutterhead includes a cylindrical body having a substantially cylindrical surface and defining a rotational axis about which the cylindrical body rotates during normal operation of the power planer. A solid elongated cutting member is provided and has a channel formed therein to define at least two cutting edges. The cylindrical body has an elongated recess formed therein for holding the cutting member. The recess extends in a direction parallel to the rotational axis of the cutterhead and defines a longitudinal aperture in the surface for accommodating one of the cutting edges. The recess has a recess wall extending inwardly away from the aperture to surround and hold the cutting member against the centrifugal forces acting thereupon during the rotation of the cylindrical body.

Abstract: The invention relates to a cutting tool having a supporting body with a recess holding at least one striplike cutting element and an adjacent cavity intersecting the recess holding a deformable clamping body, a thrust piece and a tightening means. The tightening means applies pressure to the thrust piece which forces the deformable clamping body to fill the cavity and transmit pressure to the cutting element and clamp the same against a bearing wall in the body recess.

Abstract: A rotatable cutter spindle for cutting chips of predetermined length has a supporting body having an axis, and a plurality of cutters mounted on the body in spaced relationship to one another and inclined relative to the axis of the body. Each of the cutters includes an acute angle with the axis and has a leading and a trailing end and defines cutting angles which differ from one to another of these ends. Each of the cutters has alternately arranged radially outer cutting edges and radially inner cutting edges of which the radially inner cutting edges are formed by grooves which are provided in the cutters and which have a width that increases from the leading end toward the trailing end of the cutter. The radially outer cutting edges are arranged at a first common circular surface, whereas the radially inner cutting edges are arranged at a second common circular surface.

Abstract: A tool fastening system for woodworking machines or the like wherein the tools or tool collars carry radially directed means for releasably securing the tools or collars to a drive shaft or axle in such a manner that the tools or collars may be positioned at any axial position along the axle regardless of the width of the tool or collar and without the use of spacers.

Abstract: This disclosure relates to a planer provided with means for reducing the noise emitted by the blade-retaining shaft. The blades have a cutting edge projecting from the rotary surface of the shaft. Ahead of each blade with respect to the shaft direction of rotation there is arranged a deflecting surface which deflects the air flow over the cutting edge and has a free edge whose distance from the axis of rotation of the blade-retaining shaft is smaller than that of the cutting edge.

Abstract: A cutting blade is mounted on a support by being clamped between a supporting portion of the support and a pressing portion of a pressing lever which is mounted on the support for pivoting about an axis which extends parallel to the elongation of the cutting blade and has an actuating portion which is acted upon by at least one actuator which urges the pressing lever towards its clamping position. A resilient mounting portion is connected to the support and to the pressing lever and mounts the pressing lever for the abovementioned pivoting. The mounting portion has enlarged foot and connecting zones which are respectively received and held in respective compatible recesses of the support and of the pressing lever, preferably in undercut grooves thereof. A part of the support, the pressing lever, the mounting portion and the actuator may constitute a unit which is interchangeably mounted on the remainder of the support.

Abstract: A cutter block arrangement for wood chipping machines has blades mounted in blade holders that are fastened to holding ledges by means of a tongue and groove connection. The holding ledges are mounted in a groove of the cutter block body by means of fastening screws. The blades have cutting edges and are positively inserted in the blade holders, while the holding ledges are supported relative to the cutter block body by means of adjusting screws counteracting the fastening screws so as to adjust a certain projection of the cutting edges of the blades.

Abstract: A device for fastening a chisel to a rotatable chisel block of a wood working machine by means of a clamping bolt engaging a fastening slot in the chisel block, the shank of said bolt extending through an elongated hole in the chisel and by means of a clamping plate holding the chisel and having a transverse extension supporting set screws which engage a rearwardly diverging safety face of the chisel wherein the transverse extension has safety cams engaging recesses in the fastening slot so that the transverse extension is locked in place in a radial direction.

Abstract: A knife for a log profile cutting head assembly is detachably secured to a base including a chip directing gullett which in turn is secured to a standard cutting disc. The removable knife is shaped to include a mounting surface oriented to maximize resistance of the knife to forces encountered and includes rectilinear cutting edges which can be sharpened on conventional grinders. A grinding guide integral with the knife and positioned between one cutting surface and the mounting surface overlaps the interface of the knife and base to prevent chip jamming.

Abstract: A waferizer having a rotatable cylindrical head from which a plurality of waferizing knives project for slicing wood stock, and rollers mounted on the head which have a plurality of longitudinally extending radially projecting blades for incising the face of the wood stock to a depth equal to the depth of cut of the knives so as to produce wafers of uniform width.