Abstract: An arrangement (50) for grinding edged tools, such as knives, said arrangement (50) configured to be part of a grinding machine (100), comprising a conical grinding wheel (110) arranged to be rotated in a rotational direction (R) and having an envelope grinding surface (111) for an edged tool (10), and a grinding jig (120) for holding an edged tool (10), wherein the grinding jig (120), in use, is arranged such that the edged tool (10) extends over the envelope grinding surface (111) perpendicular to the rotational direction (R).

Abstract: An arrangement (50) for grinding edged tools, such as knives, said arrangement (50) configured to be part of a grinding machine (100), comprising: a conical grinding wheel (110) arranged to be rotated in a rotational direction (R) and having an envelope grinding surface (111) for an edged tool (10), and; a grinding jig (120) for holding an edged tool (10), wherein the grinding jig (120), in use, is arranged such that the edged tool (10) extends over the envelope grinding surface (111) perpendicular to the rotational direction (R) and wherein the grinding wheel (110) is made of metal with a super-abrasive coating.

Abstract: A sharpener cover retrofit attachment to retrofit an electrode sharpener cover attachment on an electrode sharpener, the electrode sharpener for sharpening an electrode rod and having a protruding hollow sharpener shaft with a sharpener shaft outer diameter and a rotating sharpener shaft inner diameter for accepting the electrode rod. The attachment includes a first and second annulus, both axially aligned such that they are able to accept and align the electrode rod into the rotating sharpener shaft inner diameter.

Abstract: The present invention provides for a wall mountable system for automated drawing of an image upon a wall which includes a horizontal mounting track for mounting on a wall, a robot having a y-track rigidly mounted it where the robot and the mounted y-track travel along the horizontal track. An end effector, which includes a pen holding mechanism holding a pen, is in electrical communication with the robot and travels along the y-track of the robot. The present invention provides a system and device that can attach to a wall or vertical surface in a damage-free manner and draw fast any complexity or style image of custom size in both the horizontal (X) and vertical (Y) directions, that is easy to remove and transport and require small floor space to operate.

Abstract: The present invention generally relates to an apparatus for repairing damaged or bent airbrush needles. Specifically, embodiments of the present invention are directed to an apparatus comprising one or more sharpening stones of various grits configured to allow for the sharpening of airbrush needles with precision.

Abstract: A multi-rod hand-held sharpener includes a handle with an outer grip surface for a hand of a user, a first abrasive rod having a first outer abrasive surface with a first abrasiveness level, and a second abrasive rod having a second outer abrasive surface with a second abrasiveness level different from the first abrasiveness level. At least one guide surface extends toward the first sharpening surface at a selected guide angle non-orthogonal to the first sharpening surface. The user contactingly engages a side of the tool against the guide surface and a cutting edge of the tool against the first abrasive surface, and then advances the side of the tool away from the guide surface and the cutting edge against the first abrasive surface while maintaining the tool at the selected guide angle. An optional second guide adjacent the second abrasive surface at a different angle facilitates micro-beveling.

Abstract: A blade sharpening system using the interior surface of a grinding wheel against which a blade is drawn along its entire length for sharpening. The sharpening system includes a blade holding configuration having multiple hinged arms. A cam operating between two of the hinged arms serves to alter the angle of incidence between the blade and the grinding wheel as the blade is drawn across the grinding wheel. The result is that a wide variety of different blade configurations can be easily accommodated by the sharpening system.

Abstract: In one aspect, the invention is directed to a sharpener for sharpening a snow/ice travel member such as a skate blade, a ski or a snowboard, which includes a sharpening surface that is movable lengthwise along an edge face of the item to be sharpened. The sharpening surface may be movable lengthwise by means of a motor and a reciprocating mechanism, or may be manually moved by a user.

Abstract: Apparatus and method for sharpening cutting tools. In accordance with some embodiments, an abrasive medium is presented adjacent a guide housing. The guide housing includes a guide slot to facilitate presentation of a magnetically permeable tool against the abrasive medium. A magnet positioned adjacent the guide slot exerts a biasing force upon the tool that both draws the first tool against a guide surface of the guide slot and draws the tool into the guide slot along the guide surface to hold the tool at a neutral position at which a cutting edge of the first tool applies a contacting force against the abrasive medium.

Abstract: In one aspect, the invention is directed to a sharpener for sharpening a snowice travel member such as a skate blade, a ski or a snowboard, which includes a sharpening surface that is movable lengthwise along an edge face of the item to be sharpened. The sharpening surface may be movable lengthwise by means of a motor and a reciprocating mechanism, or may be manually moved by a user.

Abstract: Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various embodiments, the components may increase stability during sharpening, provide nose mounted sharpening fixtures, and/or facilitate the resizing and/or reshaping of a sharpening element.

Abstract: A blade sharpening system is provided that includes a base, and a pivoting member rotatably coupled to the base by a shaft. The blade sharpening system also includes a sharpener coupled to the pivoting member and configured to engage a generally circular blade of an agricultural implement while the generally circular blade is mounted on the agricultural implement. The pivoting member is configured to enable movement of the sharpener to accommodate lateral variations in a profile of the generally circular blade, and the shaft is movable relative to the pivoting member to adjust a contact force between the sharpener and the generally circular blade.

Abstract: A blade sharpening system is provided that includes a base, and a rod extending from the base. The blade sharpening system also includes a sharpener slidably coupled to the rod and configured to engage a generally circular blade of an agricultural implement while the generally circular blade is mounted on the agricultural implement. The sharpener is also configured to move along the rod to accommodate lateral variations in a profile of the generally circular blade.

Abstract: The invention relates to a sharpener for sharpening a cutting tool, such as a knife, the sharpener comprising a body part (1), a rotatable sharpening roll (2) resting on the body part, and a first guide groove (11) above the sharpening roll for receiving a first tool blade and for guiding it in relation to the sharpening roll (2). To allow the sharpener to be made structurally simple and well applicable for sharpening both narrow and wide blades, the sharpener comprises a second guide groove (14), which is wider than the first guide groove (11), to be arranged above the sharpening roll (2) to allow a second tool blade to be received and guided in relation to the sharpening roll (2).

Abstract: A blade processing (e.g., sharpening) device includes two sets of overlapping edge processing rings. Inner diameter surfaces of the edge processing rings define a notch suitable for effectively processing a blade with a convex cutting edge profile. Certain types of edge processing rings are movable relative to one another to adjust an edge processing angle of the notch. Certain types of blade processing devices also can also process blades with concave cutting edge profiles. The rings may be contained at least partially within a protective housing. A blade can be processed by inserting a blade through a blade insertion opening in the housing and into the notch while a handle of the blade remains outside the housing. By grasping the handle, the blade can be manually reciprocated within the notch during edge processing.

Abstract: A fastening mechanism includes a nosepiece, a rotating unit, a torsion spring and a locking unit. The nosepiece is disposed at one side of an object removably disposed in a housing. The rotating unit includes a wheel body including a peripheral wall with an outer peripheral friction surface disposed in frictional contact with a side surface of the nosepiece and a rotating disc formed with a notch. The rotating unit is operable to rotate in a releasing direction relative to the housing as biased by the torsion spring to move the object away from the housing through an opening by virtue of the frictional contact. The locking unit releasably engages the rotating disc to dispose the rotating unit at a stopped position.

Abstract: A tool for in-situ airfoil contouring is provided. The tool has a pathway for an airfoil edge wherein the edge movement is limited and further wherein the edge is exposed to a grinding structure having a preselected profile shape therein. The tool makes this contouring process available for airfoils without the necessity of removing the airfoils from, for example, an aircraft engine.

Abstract: Various embodiments of the present invention are generally directed to an apparatus for sharpening a cutting tool. A tensioner assembly applies a biasing force to a roller to maintain a selected tension in a belt and to facilitate translational displacement of the roller during deflection of the belt. In some embodiments, the tensioner assembly includes a shaft with an L-shaped groove with an elongated portion and an offset portion to facilitate transition of the roller between an extended position and a retracted position. In related embodiments, the tensioner assembly comprises a shaft with an elongated groove to facilitate tracking alignment of the belt on the roller. In further related embodiments, a guide housing is provided adjacent an abrasive medium with a guide slot and magnet to facilitate presentation of a cutting tool against the abrasive medium.

Abstract: In a knife sharpener with two whetting disks (2, 3) which are rotatably mounted about the same axis of rotation (8), oppose each other and have whetting surfaces (11, 12) facing each other, which between themselves form a sharpening slot (13) which widens outwards in radial direction, and with a housing (4) which surrounds the whetting disks (2, 3) and above the sharpening slot (13) includes a knife guiding slot (24) which extends at an angle (?) to the sharpening slot (13), at least a first one of the whetting surfaces (11) is formed convex and the second whetting surface (12) is formed linear or likewise convex in radial direction.

Abstract: An electric sharpener having two pairs of interlocking abrasives for sharpening the edge of blades to different sharpening angles. An adjustment assembly simultaneously moves the wheels of each pair either toward or away from each other to adjust the sharpening angle produced by pair of abrasive wheels in a sharpening operation. The adjustment assembly is provided with a rotatable shaft having an external handle which engages a lower platen. The lower end of the shaft is threaded to move the platen in vertical direction to move translation bars affixed to the platen. The translation bars extend through elongated slots in respective pairs of adjustment arms coupled to each pair of abrasive wheels to rotate and vary the spacing between the abrasive wheels and adjust sharpening angles.

Abstract: Apparatus, systems and methods related to sharpening blades for rotary cutters. In one illustrative embodiment, a power sharpener system secures a rotary cutting blade between upper and lower columns that form a rotating axle in contact with upper and lower sharpening stones, each positioned at an appropriate angle to contact a cutting edges of the rotary blade for sharpening. The upper column may be rotatably attached to an upper cover or lid and the lower column rotatably disposed in a base. After the rotary blade is secured, an electric motor is used to rotate the column, contacting the edges of the blade against the stones to simultaneously sharpen both edges of the blade. In some embodiments, a retractable plate may be disposed around the lower column for placement of the rotary blade thereon and a lifting lever may be used to facilitate blade removal.

Abstract: A combination sharpener assembly which is particularly useful for fishermen, includes an electrically powered knife sharpener. A manually operated scissors sharpener is mounted in the recess of the housing for the knife sharpener. A hook sharpener is detachably mounted in a compartment in the housing of the knife sharpener. The motor for the knife sharpener is mounted in a sealed inner housing and can be selectively operated under either direct current or alternating current.

Abstract: A sharpening tool includes a main base (10) having a mounting seat (12) provided with a first receiving recess (121) and a second receiving recess (122), two first grinding blades (13) mounted in the first receiving recess, an attachment device (11) mounted on the main base, a grinding unit (20) mounted on the mounting seat, and a cover (30) mounted on the mounting seat. The grinding unit includes a second grinding blade (21) mounted in the second receiving recess and having a grinding face (211), and a catch plate (23) mounted on the second receiving recess and having an abutting portion (231) facing the grinding face of the second grinding blade. The first grinding blades provide a double-side grinding function, and the second grinding blade provides a one-side grinding function.

Abstract: A blade sharpening system is provided that includes a sharpening assembly including a sharpener configured to engage a generally circular agricultural implement blade while mounted on the agricultural implement. The blade sharpening system also includes a rail configured to support the sharpening assembly and to facilitate movement of the sharpening assembly along the rail. The blade sharpening system further includes a mounting feature coupled to the rail and configured to engage a structural member of the agricultural implement to support the rail and sharpening assembly.

Abstract: It is an object of the present invention to provide a cutting machine capable of keeping an angle of a cutting edge constant. A support block 14 is provided with two arms 14a, 14b which are spaced at a certain angle, and the arms 14a, 14b have rotation shafts 12a, 13a of rotary whetstones 12, 13, respectively, extending upright from the vicinities of the front ends thereof. The rotary whetstones 12, 13 has, at front ends thereof, flat surfaces 12b, 13b perpendicular to the rotation shafts 12a, 13a to grind the one side 11b and the other side 11c of the cutting edge 11a of the cutting blade 11, respectively. The whetstone holding mechanism 15 can be moved linearly along the guide shaft 16 and can change over grinding states in which the flat surfaces 12b, 13b of the rotary whetstones 12, 13 into contact with the one side 11b or the other side 11c of the cutting blade 11.

Abstract: A grinder capable of correctly grinding a cutting blade with a simple operation being provided. Two channels which can be replaced from above on a guide bar in alignment with right and left blades of a saw chain are provided in a base body, a grinding stone shaft is provided on the base separated from the channels by the predetermined same distance while inclined by a predetermined angle relative to a parallel direction to the channels, and a disk grinding stone attached to the grinding stone shaft grinds the side blade and the upper blade of the saw chain simultaneously. The grinder is characterized in that the outer wall of the channel is shorter than the inner wall and contact part contacting the guide bar are formed at lower ends of both walls to make the base horizontal.

Abstract: A battery-powered, hand-held blade sharpener features a self-adjusting set of guide rollers which widen to accommodate the thickness of the blade being sharpened. First and second semi-circular face plates mount sets of guide rollers, one of the face plates is mounted for pivotal movement and sprig-biased to a “closed jaw” position which the thickness of the blade opens as necessary.

Abstract: A motorized knife sharpener and related methods of sharpening knives, wherein the knife sharpener is capable of sharpening knives of varying types and styles. The motorized knife sharpener includes a housing, motorized grinding assembly and an adjustable blade guide assembly. The adjustable blade guide assembly includes a selector switch accessible to a user on a front portion of the housing. With the selector switch, the user is able to selectively adjust a presentation angle defined by a blade guide relative to a grinding wheel. The selector switch is operably coupled to the blade guide with a cam assembly that pivots the blade guide with respect to the grinding wheel so as to vary the blade presentation angle.

Abstract: Apparatus and method for sharpening a cutting tool, such as but not limited to a kitchen knife. In accordance with some embodiments, a flexible abrasive disk is adapted for rotation about a central axis at a selected rotational velocity. Centripetal forces imparted to the disk during rotation urge the disk to a neutral position in which an outer peripheral portion of the disk is extended toward a selected plane. A housing adjacent the flexible disk has a guide slot with a guide surface at a selected bevel angle with respect to the selected plane. The guide surface is adapted to facilitate presentation of a cutting tool in contacting engagement against the disk. The cutting tool is presented at the selected bevel angle to induce curvilinear displacement of the flexible disk during sharpening of a cutting edge that extends along a side of the cutting tool.

Abstract: A blade sharpening system using the interior surface of a grinding wheel against which a blade is drawn along its entire length for sharpening. The sharpening system includes a blade holding configuration having multiple hinged arms. A cam operating between two of the hinged arms serves to alter the angle of incidence between the blade and the grinding wheel as the blade is drawn across the grinding wheel. The result is that a wide variety of different blade configurations can be easily accommodated by the sharpening system.

Abstract: A grinding apparatus includes at least two oppositely arranged series of surfaces in slanting relative orientation and alternately overlapping each other, forming this way a groove into which an edge or cutting edge is insertable for polishing by the surfaces. The surfaces of each series of surfaces are arranged in a common plane forming a side in a respective block, the blocks arranged in a holder by which each block is spring biased towards the opposite block, the blocks operated in reciprocating movement transversely to the longitudinal direction of the edge/cutting edge while the surfaces contact opposite sides of the edge/cutting edge under spring action.

Abstract: An electrically powered knife sharpener for ceramic (or other brittle, crystalline or amorphous media which could be used for blades) knives includes at least one pre-sharpening stage with a sharpening member(s) and includes a final stage with a sharpening member(s). There are one or more motor driven shafts on which the abrasive surfaced sharpening members, such as disks, are mounted. Guide structure is provided to guide the knife for aligning and positioning the knife facet precisely at a defined location on the abrasive surface of each rotating sharpening member. The pre-sharpening stage sharpening member(s) moves in a first direction. The final stage sharpening member(s) moves in a second direction which differs from the first direction.

Abstract: A blade sharpener including a main frame casing having a grip and a grinding chamber and a grinder assembly detachably installed in the grinding chamber in which the grinder assembly is formed by a pair of shaft supports facing each other, a supporting window provided in each of the shaft supports, a rotary shaft supported at both end portions thereof by the vertical shaft supports, an abrasive wheel provided on the rotary shaft at substantially its axial center, and a pair of lateral coil springs each provided on either side of the abrasive wheel. The rotary shaft can be supported by a pair of longitudinal coil springs installed in the shaft supports.

Abstract: A chain saw sharpening device having a generally U-shaped frame defined by an upper web and first and second parallel side walls for overlying the chain and the guide bar of the chain saw. The frame includes an open area near the center of the upper web defining a sharpening area. Clamping screws are associated with the frame to secure the frame to the cutting bar and an additional clamping screw is associated with the frame for engaging the link of the tooth to be sharpened in order to fix its position with respect to the sharpening area of the frame. A rotary burr having an abradant surface is receivable in either of two diagonally disposed, independently removable bore guides for sharpening left-hand and right-hand cutting teeth.

Abstract: Apparatus, systems and methods related to sharpening blades for rotary cutters. In one illustrative embodiment, a power sharpener system secures a rotary cutting blade between upper and lower columns that form a rotating axle in contact with upper and lower sharpening stones, each positioned at an appropriate angle to contact a cutting edges of the rotary blade for sharpening. The upper column may be rotatably attached to an upper cover or lid and the lower column rotatably disposed in a base. After the rotary blade is secured, an electric motor is used to rotate the column, contacting the edges of the blade against the stones to simultaneously sharpen both edges of the blade. In some embodiments, a retractable plate may be disposed around the lower column for placement of the rotary blade thereon and a lifting lever may be used to facilitate blade removal.

Abstract: A motorized knife sharpener and related methods of sharpening knives, wherein the knife sharpener is capable of sharpening knives of varying types and styles. The motorized knife sharpener includes a housing, motorized grinding assembly and an adjustable blade guide assembly. The adjustable blade guide assembly includes a selector switch accessible to a user on a front portion of the housing. With the selector switch, the user is able to selectively adjust a presentation angle defined by a blade guide relative to a grinding wheel. The selector switch is operably coupled to the blade guide with a cam assembly that pivots the blade guide with respect to the grinding wheel so as to vary the blade presentation angle.

Abstract: An improved structure of a honing apparatus includes a body, a suction unit, a control unit, a driving unit, a connecting unit and a upper cap, wherein a base is formed at circumference of the body and a trough is formed in the middle of the base, and a sliding trough is formed at one side wall on the other side of the body and a first hone is formed at a top surface of the body. At center of one lateral surface of the suction unit has an extended pulling stick and an eccentric protruding portion is formed in the control unit, while the other lateral surface has an extended manipulating portion. The driving unit has a threaded stick that has a rotating button at one enlarged end. The connecting unit has a through opening at a closer end of a lateral surface and a threaded unit is inside the connecting unit and aligned with the through opening. A second hone is hingedly formed at a top surface of the connecting unit close to the other end.

Abstract: A drill bit sharpening system using a typical bench grinder with a removable table for refurbishing a dull or broken drill bit has a bench grinder with a motor, a sharpening wheel, and a generally planar positioning table. The system has a generally planar rigid sharpening table with a securing means for rigidly attaching to the positioning table in a removable manner. The system has a pivotally mounted positioning component on the table top surface. The positioning component has a generally “L” shaped cross-section in a transverse plane. The positioning component has a centrally located pivoting means for mounting to a sharpening table top surface.

Abstract: The present invention is a tool for renotching a worn trowel. The invention consists of a grinding wheel adjustably mounted on an adjustable plate. The edge of the plate is provided with adjustable fingers for engaging the notches of a trowel to insure consistent spacing and depth of notches being formed in the trowel when grinding with the tool. The grinding wheel is attachable to an electric drill or similar motive device for rotating the wheel to thereby accomplish the grinding needed to renotch the worn trowel. The tool is provided with a handle for gripping the tool.

Abstract: A universal blade sharpening machine is operable to securely hold and sharpen any one of multiple variously sized circular blades. The machine includes a blade-sharpening drive with an adjustable blade sharpener and also includes a universal blade holder that is rotatably powered by the drive. The blade holder includes a blade-receiving chassis that holds the blade during sharpening and is rotatable about a rotation axis of the blade holder. The chassis includes a plurality of radially spaced blade-retaining sections each associated with a respective one of the circular blades.

Abstract: A knife edge enhancing apparatus includes a support having a support surface and knife blade clamping structure mounted to the support and located above the support surface. An object having a knife edge modifying surface which could be abrasive or non-abrasive is mounted to a holder which is freely slidable on the support surface so that the object surface can be manually moved into contact with a knife edge facet. At least one of the clamping structure and the object surface is angularly adjustable to control the angle of contact of the object surface with the knife edge facet.

Abstract: An abrasive sharpener having a body and an integral handle. The body possesses a pair of upper slots for receiving an edge to be sharpened. One of slot has a pair of crossed diamond abrasive rods having a square cross section generally along its length. The other slot includes a pair of abutting ceramic blades having triangular configuration. Two offset slot portions having a ceramic rod is also provided on the body.

Abstract: A device for cleaning a safety razor blade may include a polymer-based mat, the polymer-based mat comprising at least one substantially plane surface; a substantially rigid frame structure fabricated of a material suitable for injection moulding, the substantially rigid frame structure comprising a through-going opening adapted to at least partly house the polymer-based mat; and pair of guiding tracks arranged so that at least part of the polymer-based mat is arranged between the pair of guiding tracks. The pair of guiding tracks and the polymer-based mat may be arranged relative to each other in such a way that the pair of guiding tracks define a maximum allowed penetration depth of blades of the safety razor blade into the polymer-based mat. The polymer-based mat may be arranged in the through-going opening so that the polymer-based mat forms a non-slipping arrangement when the device is positioned on a substantially plane support.

Abstract: A handheld, arrow broadhead cutting blade sharpener used for cutting blades on an arrow broadhead, knife blades and other cutting edges. The sharpener includes a hollow handle with a first end and a second end. Included inside the first end of the handle is a first coarse stone holder with a first angled groove therein for holding a first coarse sharpening stone. The first end also includes a second coarse stone holder having a second coarse stone holder with a second angled groove therein for holding a second coarse sharpening stone. The ends of the first and second fine sharpening stones extend outwardly from the first end of the handle and are held in a “V” shaped configuration adapted for receiving an edge of a cutting blade there between. The second end of the handle includes a pair of fine sharpening stones held in a “V” shaped configuration for providing a finely sharpened edge on the cutting blade.

Abstract: Disclosed is a cleaning device for cleaning a driver used in a disk drive manufacturing process. The cleaning device includes: a body; a replaceable cleaning pad mounted in the body; and a cover mounted to the body over the cleaning pad, in which, the cover includes an opening to receive the driver and to expose a portion of the cleaning pad to receive and clean the driver. The cleaning device further includes a cleaning pad rotation mechanism mounted in the body that connects to the cleaning pad and rotates the cleaning pad. The cleaning pad rotation mechanism is configured to rotate the cleaning pad such that an unused portion of the cleaning pad is exposed to the opening for receipt of the driver and the cleaning pad rotation mechanism may be activated to rotate the cleaning pad.

Abstract: A sharpener for creating cross-grind knife edges includes a nominally flat annular abrasive sharpening member which could be a ring or a disk and is rotated about its center and held against a moving knife edge facet to simultaneously and sequentially abrade the knife edge at multiple locations on the abrasive member. The disk may be slidably mounted on a shaft in opposition to a spring restraining force. The disk is nominally disposed in a vertical orientation. The sharpener may include multiple stages including a manual stage having a pair of off axis conical shaped rotatable abrasive coated disks which have abrading lines on opposing facets which are not parallel but cross and intersect in a crossing pattern at the blade edge.

Abstract: A motorized knife sharpener and related methods of sharpening knives, wherein the knife sharpener is capable of sharpening knives of varying types and styles. The motorized knife sharpener includes a housing, motorized grinding assembly and an adjustable blade guide assembly. The adjustable blade guide assembly includes a selector switch accessible to a user on a front portion of the housing. With the selector switch, the user is able to selectively adjust a presentation angle defined by a blade guide relative to a grinding wheel. The selector switch is operably coupled to the blade guide with a cam assembly that pivots the blade guide with respect to the grinding wheel so as to vary the blade presentation angle.

Abstract: A blade sharpening assembly generally consisting of a base member; a clamping member disposed on the base member, cooperable therewith for releasably securing a blade thereon with a cutting edge thereof protruding therefrom; a guide post mountable on the base member; a carrier member mounted on the guide post, displaceable along a length thereof, including means for releasably securing the carrier member at selected positions along the length of the guide post; and a tool for sharpening a blade secured between the base and clamping members, including a handle section, an elongated section engageable with a support surface of the carrier member and a honing section engageable with a cutting edge of a blade secured between the base and clamping members when the elongated section engages the support surface of the carrier member.

Abstract: An apparatus useful for sharpening blades includes a blade support, a sharpener guide mounted to the blade support, and a sharpener mount. The sharpener guide includes an elongated guide member defining a sharpening axis extending substantially parallel to a blade axis defined by the blade support. The sharpener mount includes a pivot connector coupled to and complementally configured with the elongated guide member for enabling pivotal movement of the sharpener mount about the sharpening axis and translational movement along the elongated guide member. The sharpener mount may be coupled to a rotary grinder having a grinding wheel, such that the sharpener mount and the grinder may pivot to provide a desired sharpening angle on the blade and move the grinder along the blade while the blade remains in place on the blade support.

Abstract: An apparatus for manually steeling or conditioning the edge of a knife blade comprises a precision angle guide attached to a manual sharpening steel. The angle guide establishes a guiding surface that provides for sustained sliding or rolling contact with the face of the knife blade such that the plane of at least one edge facet adjacent to the edge of the blade is maintained at a precisely established angle relative to the plane of the sharpening steel surface at the contact point of the facet with the surface of the sharpening steel.