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| Number | Title | Issue Date |
| 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 |
| 7083503 | Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method A rotary trimmer includes a first trimming element having a first knife and a second trimming element having a second knife that operates jointly with the first knife. In order to sharpen one knife, the other knife is removed and is replaced with a sharpening disk. ... | 08/01/2006 |
| 6817780 | Guide boot for a fiber-optic cable A preferred embodiment of a guide boot for a fiber-optic cable mechanically coupled to a connector comprises a mating portion having an interior surface defining a passage for receiving a portion of the connector and the fiber-optic cable, and a plurality of ribs fo... | 11/16/2004 |
| 6802763 | Apparatus for sharpening blades 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 as... | 10/12/2004 |
| 6626066 | Folding sharpener tool A foldable hand sharpening tool is disclosed, having an elongate body/handle with a first sharpening member pivotally mounted at one end which folds into the body when not used, and at the other end having a "V" shaped sharpening slot formed by opposing s... | 09/30/2003 |
| 5461942 | Knife sharpener A knife sharpener is disclosed having an elongated handle and a blade sharpening unit mounted to a platform at a distal end of the handle for rotation between first and second secured positions for selective orientation of a blade draw direction to accomm... | 10/31/1995 |
| 5431069 | Sheet metal edging files A sheet metal edging file comprises a frame with a base and two side arms which extend upwardly. The side arms are formed in a generally planar configuration with an inner surface, an outer surface, parallel short end edges and parallel long side edges. T... | 07/11/1995 |
| 5152105 | Device for sharpening rotary blades A device for sharpening rotary blades driven about a fixed axis of rotation, as widely used in cigarette manufacturing machines, including a pair of mutually coaxial grinding wheels distanced one from the other, angled in relation to the plane occupied by... | 10/06/1992 |
| 4672777 | Knife sharpening device A knife sharpening device having a base removably supporting a pair of grinding wheels at an acute angle to the horizontal. A housing encloses the base and includes a slot for receiving a knife edge, which when inserted in the housing will seat between th... | 06/16/1987 |
| 4285253 | Mechanical steel for sharpening blades A fine smooth finish can be obtained on blades without grinding by drawing them against a rotating hardened disk with a smooth peripheral edge. One or a pair of hardened disks having smooth, rounded peripheral edges being disposed adjacent to and partiall... | 08/25/1981 |
| 4112790 | Knife sharpener The knife sharpener is comprised of a pair of cutting wheels carried for rotation by a supporting block. Each cutting wheel is rotatably journaled on an axle. Each axle has a bore extending therethrough. A fastener passes through the bores to secure the a... | 09/12/1978 |
