Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7287445 | Apparatus for precision steeling/conditioning of knife edges 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 o... | 10/30/2007 |
| 7235004 | Precision means for sharpening and creation of microblades along cutting edges A knife-edge conditioning apparatus comprises at least one precision angled knife guide with one face of the knife blade maintained in sustained sliding or rolling contact and which guides the elongated edge of the blade into sustained contact with the hardened surf... | 06/26/2007 |
| 7172500 | Knife sharpener 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 hou... | 02/06/2007 |
| 7121935 | Blade sharpener 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 ... | 10/17/2006 |
| 7115027 | Grinding tool for sharpening work pieces A grinding tool for sharpening tools is provided comprising an oscillatory drive the output shaft of which is driven oscillatingly about its longitudinal axis. The grinding tool comprises a holder for mounting a working part which is configured as a grinding plate h... | 10/03/2006 |
| 7108595 | Apparatus for manual sharpening of the blades of cutting tools An apparatus for the manual sharpening of blades of cutting tools, includes at least two sharpening elements each with at least one sharpening edge, wherein the sharpening elements can be disposed to be partially overlapping, and partially in contact with each other... | 09/19/2006 |
| 7066796 | Device for manually sharpening knives and other blades, comprising interchangeably mounted hard metal plates A device for the manual sharpening of knives and other blades having exchangeably held carbide plates. The exchangeable carbide plates of manual sharpening devices are inserted or pushed into recesses or into a reception of the device body and must be fixed t... | 06/27/2006 |
| 7052385 | Self-aligning blade angle guide A device for use in the manual sharpening of arrow broadheads, razor blades and the like includes a unique symmetrical clamp and axle assembly having interchangeable, matched pairs of special purpose jaw members for gripping blades of differing configurations. When ... | 05/30/2006 |
| 7013772 | Method and apparatus for arrow shaft truing A method and an apparatus for truing the interface between an arrow shaft or insert and the arrow tip is provided. A squaring tool having a frame with at least one V-shaped channel supports an arrow shaft in parallel with the frame longitudinal axis. A cutting tool ... | 03/21/2006 |
| 7001259 | Blade grinder for gardening cutting tool A blade grinder includes a main body having a first end formed with a blade seat, an oil impregnated member mounted on a second end of the main body, and a grinding member mounted on the blade seat. Thus, one of the blades of the gardening cutting tool is rested on ... | 02/21/2006 |
| 6949018 | Apparatus for finishing surfaces A method is described for surface finishing complex and simple surface shapes by abrasion of selected zones of surface, leaving contiguous zones unfinished. ... | 09/27/2005 |
| 6852014 | Sharpening guide for dental tools 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. The sharpening guide includes a guide body and at least one opening formed in the guide body ... | 02/08/2005 |
| 6769326 | Device for sharpening the blades of sharp tools A device for sharpening the blades of sharp tools includes a plate fitted with an opening letting through the tool blade, opposite which opening are provided two sharpening structures in the form of oblong spindles which cross one another. Both these sharpening spin... | 08/03/2004 |
| 6726551 | Manual knife sharpener with angle control A manual knife sharpener is provided with angle control structure. The structure includes a guide member having a guide surface which forms an angle with the abrasive surface of the sharpening member. When the blade is inserted into the space between the abrasive su... | 04/27/2004 |
| 6634256 | Apparatus for sharpening/bevelling of ski and snowboard edges incorporating a variable angle adjustment and clamping mechanism Apparatus for the sharpening and/or bevelling of either a ski or snowboard side edge or base edge includes a guide for clamping a file therein and adapted to be held by a hand of a person using the guide and moved lengthwise along an edge portion of a ski... | 10/21/2003 |
| 6405615 | Fixture for snowboard edge finishing tool A fixture for positioning an abrasive tool above a running surface of a snowboard for beveling a snowboard edge including a head having one or more feet, each foot including an indexing portion for indexing the fixture against a marginal side of the snowb... | 06/18/2002 |
| 6398901 | Sharpening guide assembly configured for wear resistance and method of manufacturing same A sharpening guide assembly for use in sharpening ski and snowboard edges includes an angle member and at least one riser member. The angle member includes at least a first outer surface and a second outer surface, an inner edge of the first outer surface... | 06/04/2002 |
| 6386068 | Apparatus for sharpening/bevelling of ski or snowboard edges An apparatus for the sharpening and/or bevelling of either a ski or a snowboard side edge or base edge (12). The apparatus comprises a guide (10) adapted to be held by the hand and moved lengthwise along an edge portion of a ski or snowboard while in cont... | 05/14/2002 |
| 6237443 | Device for manually sharpening cutting tools A device for manually sharpening cutting tools, especially hand-held cutting tools, comprising a shaft-shaped supporting body, being at least at one end provided with an edge indentation associated with a sharpening tool made of hard metal a and a central... | 05/29/2001 |
| 6161453 | Saw chain sharpener for a chain saw A saw chain sharpener for a chain saw and a chain saw having a sharpener in which the bottom surfaces of the cutting teeth of a conventional bottom sharpened saw chain are conveniently sharpened automatically by running the chain under power through the s... | 12/19/2000 |
| 6067880 | Deburring device A device for removing burrs created on the lateral edges of ice skate blades during sharpening is provided. The device consists includes cutting insert of extremely hard alloy having at least one angled cutting surface. The cutting insert is secured in a ... | 05/30/2000 |
| 5997221 | Channel rasp A rasp is formed for removing material at a cut edge of a structure, such as drywall cut to size. Unlike prior drywall rasps, the rasp of the invention is formed with a rigid, channel-shaped grip defining a generally U-shaped, downwardly facing, concave i... | 12/07/1999 |
| 5916018 | Sharpener: iceskate blades, iceboat and bobsled runners A small hand-held device for shaping and sharpening of the ice-contact surfaces of skate blades and blade-type runners of bobsleds and iceboats. The sharpener has two means for guiding blades in its sharpening section: a) a fixed, non-adjustable slot in t... | 06/29/1999 |
| 5823719 | Drywall rasp A rasp tool for smoothing the rough edges of cut drywall and the like including an elongated housing which is substantially U-shaped in cross-section and which defines a pair of legs disposed spaced relative to one another with each leg defining a distal ... | 10/20/1998 |
| 5701787 | Sharpening guide for snowboards and alpine skis A sharpening guide consisting of a cutting tool supporting spacer and a filing or polishing area locater during the sharpening of the horizontal metal edge surface of alpine skis and snowboards. The right angle spacer is provided with a horizontal base an... | 12/30/1997 |
| 5700189 | Knife-blade sharpening apparatus A blade-sharpening apparatus for knives and other cutting tools which uses a ceramic sharpening element. The sharpening element is a recycled aluminum oxide sodium vapor streetlight bulb. The vapor and heat expansion and contraction of the bulb during use... | 12/23/1997 |
| 5679068 | Sharpening and deburring tool with unitary blade guard and handle A hand-held sharpener tool for a knife or similar implement comprises a unitary body having first and second sections; sharpening elements mounted in the first section; the second section being located rearwardly of the sharpening elements and comprising ... | 10/21/1997 |
| 5655959 | Knife edge sharpener Apparatus for providing a sharpened edge on an elongated cutting tool comprising a base member having an elongated slot therein and a pair of elongated sharpening elements each pivotally mounted on the base member at opposite sides of the upper end portio... | 08/12/1997 |
| 5643066 | Fixture for ski edge finishing tool A fixture for positioning a file or other abrasive finishing tool relative to the running surface of the ski so that the bottom face of the ski edge may be beveled. The fixture is configured to allow either or both the angle and the width of the bottom fa... | 07/01/1997 |
| 5640888 | Woodturning scraper burnisher and method of burnishing woodturning scrapers A woodturning scraper burnisher and method of burnishing woodturning scrapers. The burnisher is a cast aluminum carrier having a substantially flat face penetrated by three unequally spaced holes into which a conical fulcrum pin and burnishing rod having ... | 06/24/1997 |
| 5636556 | Device for conditioning and sharpening the blade of a scraper tool A handheld tool used for conditioning and sharpening the blade of a scraping tool or like tool. The present invention tool includes a tool body that supports a file, a sharpening stone, a conditioning pin and a burnishing element. A plurality of slots are... | 06/10/1997 |
| 5569064 | Tool for refurbishing skate blades A refurbishing tool for renewing edges on a skate blade, including a pair of rigid, generally rectangular supporting members pivotably connected to each other. Each member has a flat abrasive surface on one side thereof and extending in the lengthwise dir... | 10/29/1996 |
| 5505656 | Dental instrument sharpening guide Apparatus for manually sharpening dental instruments which require honing at a specific angle, comprising a planar base member having flat parallel sides and an elongated slot, a planar honing stone having flat parallel honing surfaces disposed within the... | 04/09/1996 |
| 5499555 | Ski sharpening guide with file-support platforms Embodiments of a ski sharpening guide are shown and described, each embodiment including an angular member having a side surface for placement against a ski and a top surface for holding a file. Preferably, a channel runs along the junction between the si... | 03/19/1996 |
| 5485768 | Ski sharpening guide Embodiments of a ski sharpening guide are shown and described, each embodiment including an angular member having a side surface for placement against a ski and a top surface for holding a file. At the junction between the side surface and the top surface... | 01/23/1996 |
| 5461943 | Cabinet scraper blade filing and burnishing tool A combination cabinet scraper blade edge preparation tool for: (1) filing a scraper blade edge square to its face or, alternatively, at a predetermined angle to the blade face and (2) for burnishing the scraper blade edge at a predetermined burnishing ang... | 10/31/1995 |
| 5440953 | Knife sharpener A knife sharpening device includes a vertically-oriented base having a vertically-oriented slot. Mounted on the base, on one side of the slot are two crossed sharpening members of a rod-like configuration. A lower end of each of the crossed sharpening mem... | 08/15/1995 |
| 5431597 | Skate blade edge resurfacer A hand held skate blade sharpening tool has a rotatable sharpening stone retained within a channel-shaped body member. Removable pins mounted on the body are located adjacent the outer ends of the stone to limit longitudinal movement of the stone within a... | 07/11/1995 |
| 5431070 | Adjustable knife blade guide This invention is a blade guide to allow the angle that the blade addresses a sharpening rod to be repeatedly and accurately re-established. This is accomplished through the provision of a guide plate outwardly projecting from the sharpening rod with a gu... | 07/11/1995 |
| 5291805 | Sharpening and deburring tool A hand held sharpening and deburring tool is disclosed which is capable of sharpening a variety of bladed implements such as knives, hatchets, scissors, cleavers, garden trowels and etc. The tool comprises a body having a handle grip section, a sharpening... | 03/08/1994 |