Cutting Patents (Class 76/82)
  • Patent number: 11191378
    Abstract: The lockable knife block comprises a knife block and one or more knives. The knife block is a mechanical structure that stores one or more knives. The lockable knife block is a locking structure. The locking knife block comprises an interlock mechanism that inhibits an individual from removing an individual knife selected from the one or more knives from the knife block without releasing the interlock mechanism. The interlock mechanism is a lockable structure.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: December 7, 2021
    Inventor: Jerry Spence
  • Patent number: 10773150
    Abstract: An apparatus for sharpening and/or beveling of either a ski or snowboard side edge or base edge is provided. It comprises a tool support bar, a wear plate, a shim and an indexing pad that are adapted to be handheld by a technician using the apparatus. Each bar includes two tool support surfaces and may be detached and reattached to the wear plate. The shim and indexing pad are also attachable to the apparatus at a plurality of locations that provide multiple angular orientations for a sharpening tool used with the apparatus.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 15, 2020
    Inventor: Richard Weissenborn
  • Patent number: 9233477
    Abstract: A shaving demonstration apparatus having a rotatable support surface. A drive unit is operatively connected to the rotatable support surface. A fixture is spaced apart from the rotatable support surface. A first shaving razor has a first handle mounted to the fixture. A first blade cartridge unit is mounted to an end of the first handle. The first blade cartridge unit contacts the rotatable support surface.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: January 12, 2016
    Assignee: The Gillette Company
    Inventors: Marc Philip Ortins, Carmen Gallo, Eric Viveros Borges
  • Patent number: 9079284
    Abstract: An automated knife sharpening and cleaning system is provided. The system comprises a container body that is configured to hold a utensil holder that is configured to releasably couple to the container body, the utensil holder configured to hold a utensil. The system further includes a drive assembly and a gripper assembly, the gripper assembly being coupled to the drive assembly and the drive assembly being configured to move the gripper assembly within the three-dimensional coordinate space of the container body. The system further includes a grinding assembly that is configured to sharpen the utensil. During operation of the system, the gripper assembly is configured to grip the utensil and remove the utensil from the utensil holder, hold the utensil within the grinding assembly during sharpening, and replace and release the utensil in the utensil holder once the sharpening is complete. Moreover, the system may clean and sanitize the utensil.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: July 14, 2015
    Inventors: Marc Christenson, Isaac Jones
  • Patent number: 9039493
    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.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: May 26, 2015
    Inventor: Michael G. Borsch
  • Patent number: 9039494
    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.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: May 26, 2015
    Assignee: Darex, LLC
    Inventor: Daniel T. Dovel
  • Publication number: 20150135904
    Abstract: A knife sheath and sharpener includes a body having opposing first and second sidewalls, a closed bottom, a closed tip portion, an open end portion and an open top portion interconnected to define a knife receiving cavity. A pair of opposing first and second sharpening elements are disposed within the knife receiving cavity. The first sharpening element is pivotally attached to the first sidewall and the second sharpening element is pivotally attached to the second sidewall at a location longitudinally offset from the first sharpening element.
    Type: Application
    Filed: October 28, 2014
    Publication date: May 21, 2015
    Inventors: Luis Eduardo Salazar Leon, Luis Jose Salazar Gago
  • Patent number: 8943698
    Abstract: The kitchen knife with the sharpener includes: a cutout recess formed in an end of the handle; a locking space extending from the cutout recess; and a sharpener, including: a locking part removably received in the locking space; a sharpener body extending from the locking part; a whetting groove transversely formed in the sharpener body; plate-shaped whetstones inclinedly installed on opposing sidewalls of the whetting groove so that the whetstones form a V-shaped arrangement; and a rubber cushion placed below a rear surface of a whetstone.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: February 3, 2015
    Assignee: Forever Co., Ltd.
    Inventor: Akira Hirai
  • Patent number: 8944894
    Abstract: An adjustable manual abrasive sharpener having a pair of sharpening slots formed in a frame with opposing abrasive arms being pivotally mounted in each of the sharpening slots. A rod is mounted on the frame for rotatable motion and for linear motion long its axis of rotation from a position at which the rod is locked against rotation to a depressed position whereby the rod may be rotated. The bottom end portion of the rod includes a pinion gear which engages a pair of gear racks which are mounted for movement laterally relative to the axis of rotation of the rod. The pair of gear racks respectively engage slots formed on the bottom of the abrasive arms in each sharpening slot. Rotation of the rod causes movement of the gear racks to adjust each pair of abrasive arms with respect to each other to vary the sharpening angle of the abrasive elements.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: February 3, 2015
    Assignee: Smith's Consumer Products, Inc.
    Inventors: Richard S. Smith, Louis Chalfant
  • Patent number: 8888565
    Abstract: The present invention is a sharpening tool and sharpening system for sharpening snowmobile carbide wear rails and studs and a kit of parts that includes the sharpening tool and a steering member having a carbide wear rail. The sharpening tool is attachable to the chuck of a hand held drill and includes a shaft attachable to the chuck of the hand held drill and cylindrical head affixed to the shaft. The cylindrical head includes a rail groove surfaced in an abrasive material for sharpening wear rails.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: November 18, 2014
    Assignee: Welch Manufacturing Technologies, Ltd
    Inventor: Glenn S. Welch
  • Patent number: 8790161
    Abstract: Truing devices constructed and arranged for truing one or more disposable metallic blades and methods for the manufacture and use of same are disclosed herein.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: July 29, 2014
    Inventor: Jess Martin
  • Patent number: 8678882
    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.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: March 25, 2014
    Assignee: Edgecraft Corporation
    Inventors: Thomas M. Huber, Daniel D. Friel, Jr., Samuel Weiner, Cassandra Wilson Gluyas, Thomas Walter Gluyas
  • Patent number: 8627747
    Abstract: A treatment device for improving the cutting properties of the blade of a non-electric shaving razor. The device has a treatment surface for interacting with the cutting edge of the razor blade, as the blade is put into sliding contact with the treatment surface. The treatment surface has a plurality of resilient honing projections that are compressed as the blade is moved in sliding contact with the surface.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: January 14, 2014
    Inventor: Celso E. Martell
  • Patent number: 8597083
    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.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: December 3, 2013
    Inventor: Michael G. Borsch
  • Patent number: 8590427
    Abstract: A housing including a honing device, a blade sharpener, a blade restraining mechanism, and a biased blade guide being received in a scabbard or a knife block. Wherein a knife is honed and sharpened upon insertion into the housing, or upon withdrawal from the housing, or both, and wherein the blade is retained within the housing after insertion therein.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: November 26, 2013
    Assignee: McPherson's Limited
    Inventors: Rosemary Murphy, Clive Solari
  • Patent number: 8430720
    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.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: April 30, 2013
    Assignee: Edgecraft Corporation
    Inventors: Daniel D. Friel, Sr., Daniel D. Friel, Jr., Abraham Leibson, Angela Bigliano
  • Patent number: 8342915
    Abstract: A conditioning and cutting apparatus for a blade is provided. The apparatus may include a cutting board and a conditioning device. The cutting board may include a top cutting surface, a bottom surface disposed in opposition to the top cutting surface, and a peripheral wall extending between the top cutting surface and the bottom surface and defining the perimeter of the cutting board. The cutting board may define a channel therein. The channel may define a recess and an opening thereto. The peripheral wall may define the opening of the channel. The conditioning device may be disposed in the channel. The conditioning device may be configured to interact with the blade as the blade is drawn through the channel.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: January 1, 2013
    Inventors: David Vogel, David Wolff
  • Patent number: 8267752
    Abstract: A knife sharpening device of a circular knife contains a wheel member including a sharpening portion disposed therein, the sharpening portion including an abrasive piece mounted therearound, an annular loop with a hole mounted on a central portion thereof, and a peripheral wheel formed therearound; a retaining member connected with one side of the wheel member and including a first rib disposed thereon, an abutting post with a first limiting block extending therefrom, the first limiting block including an insertion extending therefrom, the abutting post including a biasing projection proximate to the abutting post; a connecting member connected on another side of the wheel member and including a second rib disposed thereon, a second limiting block with an opening and plural locking tabs fixed on a central portion of an inner side thereof, the connecting member including a contacting peg arranged adjacent to an inner side thereof.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: September 18, 2012
    Inventor: Pi-Chao Chang
  • Publication number: 20120180602
    Abstract: The invention relates to a blade sharpening and storing device. The device includes a hollow housing for receiving and storing a blade and an access opening at an end of the housing through which the blade can be moved longitudinally to be inserted into or withdrawn from the housing. A blade sharpener is positioned to be engaged by a cutting edge of the blade when the blade is inserted into or withdrawn from the housing and which is responsive to movement of the blade relative to the housing to sharpen the cutting edge. A blade honing device positioned to be engaged by the cutting edge of the blade when the blade is inserted into or withdrawn from the housing and which is responsive to movement of the blade relative to the housing to hone the cutting edge. In another aspect, the invention relates to a blade storing device and blade combination. The blade includes opposite substantially parallel sides which meet at a cutting edge.
    Type: Application
    Filed: June 22, 2010
    Publication date: July 19, 2012
    Applicant: MCPHERSON'S LIMITED
    Inventors: Rosemary Murphy, Clive Solari
  • Publication number: 20120103139
    Abstract: A treatment device for improving the cutting properties of the blade of a non-electric shaving razor. The device has a treatment surface for interacting with the cutting edge of the razor blade, as the blade is put into sliding contact with the treatment surface. The treatment surface has a plurality of resilient honing projections that are compressed as the blade is moved in sliding contact with the surface.
    Type: Application
    Filed: November 3, 2011
    Publication date: May 3, 2012
    Inventor: Celso E. MARTELL
  • Patent number: 8074535
    Abstract: A treatment device for improving the cutting properties of the blade of a non-electric shaving razor. The device has a treatment surface for interacting with the cutting edge of the razor blade, as the blade is put into sliding contact with the treatment surface. The treatment surface has a plurality of resilient honing projections that are compressed as the blade is moved in sliding contact with the surface.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: December 13, 2011
    Inventor: Celso E. Martell
  • Publication number: 20110277594
    Abstract: A knife sharpening device of a circular knife contains a wheel member including a sharpening portion disposed therein, the sharpening portion including an abrasive piece mounted therearound, an annular loop with a hole mounted on a central portion thereof, and a peripheral wheel formed therearound; a retaining member connected with one side of the wheel member and including a first rib disposed thereon, an abutting post with a first limiting block extending therefrom, the first limiting block including an insertion extending therefrom, the abutting post including a biasing projection proximate to the abutting post; a connecting member connected on another side of the wheel member and including a second rib disposed thereon, a second limiting block with an opening and plural locking tabs fixed on a central portion of an inner side thereof, the connecting member including a contacting peg arranged adjacent to an inner side thereof.
    Type: Application
    Filed: May 13, 2010
    Publication date: November 17, 2011
    Inventor: Pi-Chao Chang
  • Patent number: 8016646
    Abstract: A saw blade sharpening assembly includes a sharpening disk, a blade support panel disposed generally adjacent to the sharpening disk and a generally sloped blade support base carried by the blade support panel.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: September 13, 2011
    Inventors: Kenneth L. Bailey, Beverly J. Bailey
  • Patent number: 7967666
    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.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: June 28, 2011
    Inventor: Marvin Messner
  • Patent number: 7900536
    Abstract: A wiskar for sharpening cutting teeth of a chain provided on a chain bar of a chain saw. A housing is removably attached to the chain bar and includes a recess to receive the wiskar therein. The wiskar includes a first member configured to be operationally engaged by the recess of the housing; and a second member configured to frictionally engage a bottom surface of the cutting teeth. The second member includes a body portion intermediate the opposing ends, wherein opposing ends of the second member each have at least one lobe defined therein. Abrasives are uniformly impregnated throughout the first and second member to sharpen the bottom surface of the cutting teeth. At least the second member is manufactured from a pliable material that erodes due to friction caused by the cutting teeth engaging the lobes of the second member.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: March 8, 2011
    Assignee: Chain Masters, Inc.
    Inventors: Kenneth Hensley, John Beaver
  • Publication number: 20110009040
    Abstract: A sharpening tool includes a handle, a first sharpening unit mounted on a first end of the handle, and a second sharpening unit mounted on a second end of the handle. The first sharpening unit includes a fixed blade mounted on the handle, a first threaded post rotatably mounted on the handle, a first slide having a first toothed portion meshing with the first threaded post, and a movable blade fixed on the first slide. The second sharpening unit includes a second threaded post rotatably mounted on the handle, a second slide having a second toothed portion meshing with the second threaded post, and a flat blade fixed on the second slide.
    Type: Application
    Filed: July 7, 2009
    Publication date: January 13, 2011
    Inventor: Shih-Piao Wu
  • Publication number: 20090183601
    Abstract: A knife sharpening bar includes a handle that carries a support bar. A flexible tube is tightly fit over the support bar. A hollow ceramic bar is then fit over the flexible tube with an inside surface of the ceramic bar tightly engaging the flexible tube so that the flexible tube provides a cushioning support between the support bar and the ceramic bar, which protects the ceramic bar from directly bearing any external impact applied to the knife sharpening bar. An internally-threaded cap engages an externally-threaded free end of the support bar and abuts against the ceramic bar to thereby secure the ceramic bar in position on the support bar. Collars or other buffering members can be positioned at opposite ends of the ceramic bar.
    Type: Application
    Filed: January 17, 2008
    Publication date: July 23, 2009
    Inventor: CHENG-HSIEN SHEN
  • Patent number: 7553218
    Abstract: Apparatus for sharpening and or honing a multi-bladed razor cartridge including a sharpening member, a housing to secure the sharpening member. An aloe Vera or soap solution dispenser provides a lubricant to the sharpening member to lubricate the razor and a housing to limit the travel of the razor on the sharpening member. The sharpening and or honing member is made of a mirrored plate glass secured in a channel within the housing.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: June 30, 2009
    Inventor: Andy Morita
  • Publication number: 20090056503
    Abstract: A knife sharpener system for efficiently and quickly sharpening a blade of a knife. The knife sharpener system generally includes a support structure, a sharpening unit including a retaining portion, wherein the sharpening unit extends from the support structure, at least one sharpening member extending from the sharpening unit and at least one magnet positioned within the sharpening unit, wherein the retaining portion is positioned between the sharpening member and the magnet and wherein a metal residue of a blade is magnetically attracted to the retaining portion via the magnet.
    Type: Application
    Filed: August 28, 2007
    Publication date: March 5, 2009
    Inventors: Brett A. Friesen, Mitchel T. LeBrasseur, Ken Moncrief
  • Publication number: 20080271584
    Abstract: Herein described is a quick assembling disassembling and movement mechanism for a component of a food slicing machine (10) of the type comprising a framework (12) bearing a rotating blade (14), provided with a blade-cover (16) which extends for at least a part of the circumferential edge of the blade (14), a moveable flap (18) and guide means (20) for a carriage (22). The carriage (22) is made up of a product-bearing plate (24), a support arm (26), constrained in a sliding manner against the guide means (20), and a cover-plate (28) sliding over the product-bearing plate (24) in an orthogonal direction with respect to the moveable flap (18).
    Type: Application
    Filed: April 28, 2008
    Publication date: November 6, 2008
    Applicant: BERKEL S.P.A
    Inventor: Massimo Repaci
  • Publication number: 20080261494
    Abstract: A knife sharpener is provided which is capable of precision sharpening of hunting and similar knives that have a first and second blade face, each of which terminates at a facet that meets the corresponding facet to create the knife edge. At least the first of the blade faces has a lower distinct planar or concave section adjacent the edge facet with the lower planar or concave section of the face being set at an angle to the center line of the blade thickness that is different from the angle of the adjoining upper section of the same blade face located adjacent to the back of the blade. The sharpener includes a sharpening member such as one having an abrasive coated surface. The sharpener also includes a planar angle knife guide surface of a knife guide which is designed for intimate sliding and sustaining contact with the second face of the blade in order to position an edge facet on the first of the faces into precise angular relation with the sharpening surface.
    Type: Application
    Filed: April 15, 2008
    Publication date: October 23, 2008
    Inventors: Daniel D. Friel, Bela Elek
  • Publication number: 20080214095
    Abstract: A tool sharpening assembly (100) suitable for sharpening cutting tools (140,350,366,546,562). In some embodiments, a wedge-shaped port is formed between a rotational first abrasive surface (160,262) and a stationary second abrasive surface (162,264) to sharpen a distal cutting edge (146) of a cutting tool (140,230,546). In other embodiments, a cooling mechanism (136,326,330,334,338) actively draws heat generated during a sharpening operation from a tool (140) and through a tool support structure (170,234,328,332) contactingly supporting the tool, in further embodiments, a rotatable abrasive slotted disc (364) comprises at least one inspection aperture (372) formed from an interior sidewall (390) with upper and lower leading and trailing edges (396,398,400,402) of non-uniform separation distance. In other embodiments, a cylindrical drum abrasive member (572) is provided with an associated stationary support plate (574).
    Type: Application
    Filed: December 21, 2006
    Publication date: September 4, 2008
    Applicant: Professional Tool Manufacturing, LLC
    Inventors: Daniel T. Dovel, Christopher T. DeLorenzo, Steven J. Miner
  • Publication number: 20080188164
    Abstract: The invention relates to a method for grinding a cutting tool, especially a knife. The aim of the invention is to provide a method which allows configuration of individual leaf or blade geometries at comparatively low costs. For this purpose, the cutting tool is contacted with the effective surface of a grinding device, and the cutting tool and the grinding device can be displaced in relation to each other by at least three degrees of freedom.
    Type: Application
    Filed: September 2, 2005
    Publication date: August 7, 2008
    Applicant: ZWILLING J.A. Henckels AG
    Inventor: Joachim Droese
  • Publication number: 20080173772
    Abstract: A knife storage and sharpening apparatus including a knife block having a plurality of elongate recesses each for receipt of a different knife and having a recess for receipt of a knife sharpening steel. The apparatus further includes another form of knife sharpening means specifically adapted for receipt in the recess for receipt of the steel. The knife sharpening means can be used to sharpen a knife while it is mounted in the sharpening steel recess. If the knife user prefers to use a sharpening steel, the knife sharpening means may be removed from the knife block to provide storage for the sharpening steel.
    Type: Application
    Filed: January 18, 2008
    Publication date: July 24, 2008
    Applicant: ROBERT WELCH DESIGNS LIMITED
    Inventor: Alan Rupert Welch
  • Publication number: 20080132159
    Abstract: A hand held retractable abrasive sharpener having a rod formed with a tapered end portion and a partially cylindrical opposite end portion. A part of the partially cylindrical opposition end portion is flat. A slot is formed in the rod. Substantially all of the outer surfaces include layers of the rod have an abrasive material. The rod is carried in a carrying case for transport and storage in a locked relationship and being capable of being released and withdrawn for sharpening with carrying case serving as a holder.
    Type: Application
    Filed: October 11, 2007
    Publication date: June 5, 2008
    Inventor: Richard S. Smith
  • Patent number: 7374475
    Abstract: A hand-held sharpener device for sharpening and deburring convergent surface cutting edge implements including an elongated cylindrical body having a central area mounting a plurality of sharpener bit assemblies and opposite end areas providing hand grips for holding and moving the sharpener device across a cutting edge to be sharpened. One of the sharpener bit assemblies includes two associated sharpening bits for sharpening blades having two converging cutter surfaces and a second sharpener bit assembly includes a sharpening bit and a dummy bit for sharpening blades having only one cutting surface. The sharpener bits and the dummy bit are held and clamped in bit receiving cavities in mating sections of the sharpener body.
    Type: Grant
    Filed: February 9, 2005
    Date of Patent: May 20, 2008
    Assignee: Locan Properties, LLC
    Inventor: Gary L. Byers
  • Publication number: 20080041190
    Abstract: The invention relates to a device (1) for sharpening the blade of a manual cuting tool, in particular a knife. The inventive device comprises a support (2) provided with a cutout (4). Identical sharpening levers are arranged on each side of the cutout in front and in staggering manner with respect to each other and provided with a curved arm (13) having a rectilinear end edge (14) and another arm (16) forming means for returning in a position by gravity. Each lever (11) is pivotally mounted in the jointing area (15) of the arms (13, 16) around an geometrical axis which is generally perpendicular to a longitudinal direction (A-A?) of the cutout and a slot (5). Said device is particularly adapter to the agriculture and food industry.
    Type: Application
    Filed: March 3, 2005
    Publication date: February 21, 2008
    Inventors: Nathalie Dassaud, Rene Dassaud
  • Publication number: 20070266828
    Abstract: A hand-held sharpening/whetting tool has a body including a handle blade guide and finger/hand guard. The tool body has first and second end sections and an open-ring mid section. The end sections are provided with diverse sharpening/whetting elements for use in a first use mode and a third sharpening/whetting element is positioned on the finger/hand guard within the open-ring mid section for use in a second use mode.
    Type: Application
    Filed: May 19, 2006
    Publication date: November 22, 2007
    Inventor: Gary L. Byers
  • Patent number: 7275461
    Abstract: An apparatus and method for sharpening razor blades and the like whereby rectangularly-shaped magnets are placed end-to-end in a rectangular enclosure that snaps on securely over a razor blade during non-use times in such a manner that the magnetic field generated by the magnets acts upon the cutting edge of the blade so as to maintain the sharpness of the cutting edge.
    Type: Grant
    Filed: March 4, 2006
    Date of Patent: October 2, 2007
    Inventors: Richard Joel Gherman, David D. Hayslett
  • Patent number: 7229345
    Abstract: The invention concerns a knife sharpener for household knives or the like. In order to design a knife sharpener, which, one the one hand, can be used for sharpening and sits solidly on a surface without it having to be held, and which, on the other hand, is producible with little economic cost regarding production and assembly, the invention proposes a knife sharpener with a housing, which has a surface designed to be a base, and at least one longitudinal, cylindrical grinding element made from ceramics, at least part of the surface of which is arranged on the surface of the housing, whereas the base is designed at a right angle to a longitudinal line of the grinding element and the grinding element is positioned in the middle in relation to a projection of the base.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: June 12, 2007
    Assignee: Flugel CSS GmbH & Co., KG
    Inventors: Udo Fierus, Gerd Fierus
  • Patent number: 7172500
    Abstract: A knife sharpener has a housing, a base, a sharpening device and an adjustable device. The housing has a case, a cavity and a slot. The cavity is defined in the case and the slot is defined in the case and communicates with the cavity. The base is mounted on the housing and has a base board and two side walls formed on the base board. The sharpening device is movable mounted on the base and is received inside the housing. The sharpening device has two sharpening arms with sharpening rods. The adjustable device is mounted on the sharpening device mounted between the two sharpening arms. When the knife sharpener is used, the adjustable device is rotated to change the cross-position of the sharpening device. Therefore, a knife may be sharpened at a different site on the sharpening rods for prolonging the life span of the knife sharpener.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: February 6, 2007
    Inventor: Wen-Chiu Wu
  • Patent number: 7121935
    Abstract: A blade sharpener (10) comprises sharpening strip providing carriers (12) and (14) each including an obliquely extending linear sharpening strip providing rod (16) and carrier movement non-interference guiding means in the form of a slot defining formation formed by facing rail pairs (18), (20) facing one another across a slot (22). The rail pairs (18) and (20) form part of a carrier support frame (24) to which the carriers (12), (14) are mounted to be displaced in diametrically opposed directions and along the spacings formed between the rails of the rail pairs (18), (20). A crossover point (28) is defined between the rods (16) within which the cutting edge of the blade of a knife is in an abrasion fashion moved during a sharpening action. The crossover point (28) is constrained to move along a linear sharpening path extending along the slot (22) during sharpener use.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: October 17, 2006
    Inventor: Stephan Deon Pretorlus
  • Patent number: 7107684
    Abstract: Apparatus, kits, and methods for sharpening electric shavers having rotary and reciprocating-type cutting members are disclosed. A sharpening apparatus in accordance with an exemplary embodiment of the present invention may include an applicator tray or other applicator means, and an abrasive material configured to abrade and sharpen the cutting surfaces of the electric shaver, when actuated.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: September 19, 2006
    Assignee: Genuine Genius LLC
    Inventors: James M. Steele, Paul Maire
  • Patent number: 7066793
    Abstract: A non-serrated knife sharpening device providing a multitude of blade angle choices during the tapering and honing processes. The adjustable angle choices can be regulated fractionally, grossly, and anywhere in between. The knife is ground utilizing a novel concept whereby two aspects of the blade are held against two adjustably parallel surfaces simultaneously to maintain the grinding angle. Because the knife blade is unencumbered during the sharpening process, extremely acute angles can be incorporated into the clearance angle behind the edge. The device is free-standing, portable, sturdily built, accurate, and simple to use.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: June 27, 2006
    Inventor: Salvatore Verzi
  • Patent number: 7037175
    Abstract: The invention is directed to a method for polishing a cutting edge on a cutting instrument, comprising contacting a cutting edge of a cutting instrument with a polishing pad and a chemical-mechanical polishing composition comprising particles of an abrasive, and a liquid carrier, wherein the abrasive is suspended in the liquid carrier, and abrading at least a portion of the cutting edge to polish the cutting edge. The invention further provides a cutting instrument having a highly uniform edge.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: May 2, 2006
    Assignee: Cabot Microelectronics Corporation
    Inventors: Clifford Spiro, George Steuer, Frank Kaufman
  • Patent number: 6971949
    Abstract: A sharpening guide for a dental tool is provided, with the dental tool having a handle, a working portion, and a shank extending between the handle and the working portion.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: December 6, 2005
    Inventor: Roger Gleason
  • Patent number: 6868572
    Abstract: The invention provides a bit (10) for use with a rotatable tool, said bit including: a shaft (12) having a rearward end adapted to be held by a chuck of the rotatable tool, and a forward end (18) having cutting tips formed thereon; a reaming head (14) including a body having a bore (16) adapted to receive the shaft therethrough in a sliding fit, the body having a plurality of cutting blades (26) formed on at least one peripheral surface thereof; the bore and/or the shaft having formations thereon such that when the rearing head has the shaft operatively located in the bore the reaming head is rotationally locked into the shaft; the reaming head and the shaft being separable from each other to allow either component to be replaced independently of the other.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: March 22, 2005
    Assignee: Savetime Products Pty. Ltd.
    Inventor: John Edgley Newton
  • Patent number: 6817269
    Abstract: An edge sharpener for various implements is provided. The edge sharpener includes a sharpener body having a pair of sharpening elements secured to a sharpener body in a fixed angular relationship. The sharpening elements are moveable along this fixed angular relationship to provide a fresh sharpening edge without removal of the elements from the body. The edge sharpener may be provided with precision adjusters for indexing the sharpening element. Further, a removable handle may be provided. By use of sharpening elements of a shape other than rectangular, more than one fixed angular relationship can be provided. Durability of the sharpening edges is enhanced by the form of the edge relief.
    Type: Grant
    Filed: July 3, 2003
    Date of Patent: November 16, 2004
    Assignee: G5 Outdoors, L.L.C.
    Inventor: Louis Grace, Jr.
  • Patent number: 6802763
    Abstract: A sharpening apparatus with substantially rigid sharpening wheels disposed substantially fixedly on a rotatable drive shaft. An edge of a blade inserted in a slot in the apparatus comes into contact with a sharpening surface on a sharpening wheel. A sliding block associated with that sharpening surface slidably yields to accommodate the inserted blade and applies a force on the blade towards the sharpening surface. The user may selectively adjust force on the blade to achieve more or less sharpening of the edge of the blade. The plurality of sharpening surfaces can offer different levels or degrees of sharpening.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: October 12, 2004
    Assignees: Salton, Inc., Hop Shing M&P Manufactory Limited
    Inventor: Rocky Leung
  • Patent number: 6769327
    Abstract: A knife sharpener (10) has pairs of overlapping, resiliently flexible fingers or strips (21-23, 31-33) to form opposed sharpening faces (27-29, 37-39) operable to engage at least one cutting edge (101) on a knife blade (102). The sharpening faces (27-29, 37-39) can have abrasive materials and/or surfaces (40-43) to generate the desired finish on the cutting edge(s) (101).
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: August 3, 2004
    Assignee: Furitechnics Pty Ltd.
    Inventor: Mark James Henry