| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 076000000 | TOOL SHARPENERS | 19 |
| 076081000 | Stropping devices | 3 |
| 20090000426 | Razor Blade Cleaning and Sharpening Device - The present invention relates to a device and a method for sharpening and cleaning a safety razor blade. The device comprises a polymer-based mat and either one or more polymer-based holding elements ( | 01-01-2009 |
| 20130055856 | RAZOR-BLADE SHARPENER - The invention relates to a razor blade sharpener, which is manually operated and by means of which razor blades can be sharpened as needed in an easy, controlled, and even manner in order to reduce razor blade consumption. The construction is designed in such a way that the lateral guides push the blades evenly onto a padded lining made of plastic or leather. | 03-07-2013 |
| 20160184975 | DEVICES FOR TREATING SAFETY RAZOR BLADES - A device for treating a safety razor blade, including blades fixed between end portions of the safety razor blade, may include a polymer-based mat. The mat may include at least one substantially plane surface having an indentation hardness less than 50 measured on the Durometer Shore A scale. The mat may be coupled to a substantially rigid frame structure. The mat may sharpen and clean the blades when the safety razor blade is moved along the mat in a direction opposite to a normal shaving direction. The device may further include first and second sidewalls on first and second sides of the mat. The sidewalls may prevent the safety razor blade from sliding off the mat in a first direction when a user of the device is sliding the blades along the mat in a second direction perpendicular to the first direction. | 06-30-2016 |
| 076082000 | Cutting | 16 |
| 20090056503 | Knife Sharpener System - 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. | 03-05-2009 |
| 20110277594 | KNIFE SHARPENING DEVICE OF CIRCULAR KNIFE - 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. | 11-17-2011 |
| 20120103139 | DEVICE FOR TREATING BLADES TO IMPROVE THEIR CUTTING PROPERTIES - 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. | 05-03-2012 |
| 20120180602 | Blade Scabbard, Sharpener and Sharpening Cassette - 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. The blade storing device includes a housing having 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. The blade storing device and blade combination includes a blade restraining mechanism that includes a restraining member coupled to the housing and an opening within the blade, the restraining member having active andF inactive positions in that when the blade is inserted within the housing such that substantially an entire cutting edge of the blade is within the housing, in the active position the restraining member is positioned inside the opening within the blade for preventing withdrawal of the blade from the housing and in the inactive position the restraining member is positioned outside the opening within the blade for allowing withdrawal of the blade from the housing. | 07-19-2012 |
| 20150135904 | DUAL PURPOSE KNIFE SLEEVE - 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. | 05-21-2015 |
| 076820100 | Lawn mower | 2 |
| 20080210056 | DEVICE AND METHOD FOR SHARPENING BLADES - A method and apparatus for sharpening clockwise rotating standard blades, counter-clockwise rotating standard blades and mulching style blades of either clockwise or counter-clockwise rotation is provided. The present invention comprises a base with a blade fixture which is reversible to accommodate both clockwise and counter-clockwise rotating blades. Uprights, a slide shaft, a slide bushing and a handle shaft connected to a disc grinder provide a means for setting a primary cutting angle for sharpening the primary cutting edges of a blade. An adjusting wheel rotatable attached to the handle shaft and pivotably coupled to the disc grinder provide a means for quickly and easily adjusting the cutting angle in order to accommodate sharpening the secondary cutting edges of a mulching style blade and returning the disc grinder back to its original cutting angle. | 09-04-2008 |
| 20100071511 | Blade Sharpening Tool - A hand-held sharpening tool for sharpening tractor and lawn mower attachments blades while the blade are attached to the tractor or lawn mower. The tool includes a tool body having a grinding surface that extends away from the tool body in a substantially perpendicular direction and a second grinding surface that extending away from the tool body in an angled direction. The two grinding surfaces are located in close proximity of each other to create a grinding zone and allows for a blade to simultaneously engage both grinding surfaces. As the tool is drawn along said blade, its edge is sharpened. | 03-25-2010 |
| 076083000 | Skate | 2 |
| 20110203416 | Devices for Re-Edging a Blade of an Ice Skate - Devices for re-edging a blade of an ice skate are provided. In some embodiments, these devices include: a handle body; a pair of prongs that is arranged with a V shape at one end of the handle body and that is configured to sharpen the blade; and a honing stone attached to the handle body. | 08-25-2011 |
| 20110247460 | RECIPROCATING SKATE BLADE SHARPENER - 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. | 10-13-2011 |
| 076084000 | Butchers' steels | 2 |
| 20090183601 | KNIFE SHARPENING BAR - 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. | 07-23-2009 |
| 20100018352 | Sharpening rod and method for manufacturing the same - In a sharpening rod with a peripheral surface which constitutes a sharpening surface, wherein the sharpening rod ( | 01-28-2010 |
| 076085000 | Rotary | 1 |
| 20150375353 | KNIFE SHARPENING DEVICE FOR CIRCULAR KNIFE - A knife sharping device for a circular knife contains: a circular body, a circular connecting cover, and a first circular fixing cover. The circular body includes an annular portion and an external wheel, the annular portion has a through hole and a first conical face, the first conical face has a thickness gradually increasing to the outer rim of the annular portion from the central portion of the annular portion, the first conical face also has a plurality of first sharpening tabs equidistantly arranged thereon. The circular connecting cover includes a first side lid and an inserting post, a cross section of which is non-circular. The first circular fixing cover includes a second side lid, a first positioning member, and a first pressing loop; wherein a cross section of the first positioning member is non-circular, and the first positioning member has a first orifice defined thereon. | 12-31-2015 |
| 076000000 | Multiple cutter | 3 |
| 076086000 | Converging | 3 |
| 20090064822 | POCKET SHARPENER FOR KNIVES - A blade sharpening tool adapted for hand-held use, comprising two mating housing components and two bits wherein the bits can be of tungsten carbide material. Each mating housing component can comprise a plurality of integrated fastening elements. The mating housing components can be secured together by engaging integrated fastening elements, thereby securing the bits. The bits can thereby form a specified gap angle favorable for a blade-sharpening process. The integrated fastening elements can be of a snap fit cantilever beam design. Alignment posts can extend into and/or through the bits. | 03-12-2009 |
| 20150143955 | Conditioning Device for Conditioning a Blade - Conditioning devices for conditioning blades are provided. A conditioning device includes a first rod and a second rod, at least one of the first rod and the second rod rotatable about an axis, the first rod and the second rod oriented to define a blade conditioning zone therebetween, the blade conditioning zone being defined by a blade conditioning angle between the first rod and the second rod. The conditioning device further includes a stationary magnet and a movable magnet. The movable magnet is connected to the one of the first rod and the second rod and rotatable about the axis. The movable magnet has an opposite magnetic orientation relative to the stationary magnet. Rotation of the one of the first rod and the second rod adjusts the blade conditioning angle. | 05-28-2015 |
| 20160375551 | Conditioning Device for Conditioning a Blade - Conditioning devices for conditioning blades are provided. A conditioning device includes a first rod and a second rod, at least one of the first rod and the second rod rotatable about an axis, the first rod and the second rod oriented to define a blade conditioning zone therebetween, the blade conditioning zone being defined by a blade conditioning angle between the first rod and the second rod. The conditioning device further includes a stationary magnet and a movable magnet. The movable magnet is connected to the one of the first rod and the second rod and rotatable about the axis. The movable magnet has an opposite magnetic orientation relative to the stationary magnet. Rotation of the one of the first rod and the second rod adjusts the blade conditioning angle. | 12-29-2016 |
| 076088000 | Cutter and guide | 1 |
| 20160158859 | UNIBIT RE-SHARPENING DEVICE - A unibit re-sharpening device for reconditioning the surface of worn unibits by filing them in a tapered recess. The unibit re-sharpening device comprises a device housing having a tapered recess with a diamond infused file therein, with the file connected to an integrated electric motor and high frequency mechanical vibrator, with an attachable collet for securing a conventional unibit in the tapered recess. In use, a unibit is secured in the collet and the collet is placed in the tapered recess. The power switch is then turned on, causing the motor and vibrator to vibrate the file and resulting in material being cut from the cutting edge or face of the unibit by the vibrating file. While the file is vibrating, a user can rotate the unibit to expose its whole conical surface to the file, thereby sharpening the entire unibit. | 06-09-2016 |
