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| Number | Title | Issue Date |
| 7828629 | Knife grinder A knife grinder comprises a housing, wherein a grinding mechanism is arranged. A magnetic body is arranged under the grinding mechanism to attract metal scraps. Since the magnetic body is arranged under the opening, the knife grinder allows the metal scraps to be fu... | 11/09/2010 |
| 7329172 | Rotary mower blade sharpener having movable griding wheels A device and method for sharpening a mower blade are provided, in which a mounting device for mounting a rotary blade having two opposite cutting edges to be sharpened, wherein the mounting device is capable of positioning the blade in a first fixed state and a seco... | 02/12/2008 |
| 7220169 | Sharpening apparatus A sharpening apparatus (16) for a blade-like cutting implement. The sharpening apparatus has an elongate body (18) and a cutting edge extending widthwise across one end of the body (11) at a predetermined angle relative to the longitudinal axis ... | 05/22/2007 |
| 7125325 | Portable sharpening system for a dual-knife cutting machine A grinding apparatus (36) for a paper cutting mechanism (10) is shown and includes a coupler (38), for mounting on an upper rail (14) of the cutting mechanism (10), a motor-driven grinder (40), and an adjustable support (... | 10/24/2006 |
| 7040209 | Tool fixtures for use in rotational processing A fixture for holding tools to be processed in a rotational processing apparatus. The fixture includes at least one mounting rod with a plurality of spacers slidably disposed on the mounting rod. A plurality of tools are disposed about the rod, each tool being space... | 05/09/2006 |
| 6786808 | Sharpening device for rotating cutting tools and machine employing said device A device for sharpening a rotating discoidal cutting tool (13) is described, comprising at least one sharpening grinder (21; 23). The device provides a dressing tool (61; 71) which interacts with said at least one grinder to dress the working su... | 09/07/2004 |
| 6709319 | Sharpener assembly for a food slicer and related method A sharpener assembly for a food slicer includes a rotatable frame with a sharpening member and a truing member operatively connected for rotation with the frame. The frame is mounted on a food slicer to place the sharpening member and truing member on opposed sides ... | 03/23/2004 |
| 6261161 | Sharpener assembly for a food slicer and related method A sharpener assembly for a food slicer includes a rotatable frame with a sharpening member and a truing member operatively connected for rotation with the frame. The frame is mounted on a food slicer to place the sharpening member and truing member on opp... | 07/17/2001 |
| 6019023 | Cutting machine using a rotary wheel for cutting a flexible material consisting of a single sheet or a small mat of sheets, and method for adjusting said machine The invention relates to a cutting machine for cutting a flexible material by a cutting wheel rotated by a motor. The cutting wheel and the motor are carried by a cutting head mounted to move horizontally along two orthogonal axes and to rotate about a ve... | 02/01/2000 |
| 5397262 | Knife grinder An improved knife grinder is desinged to have a motor transmission axle which transmits one or two units of wheel axle with its angles which are facing one another and entend slightly upward and outward. A base is fixed onto the vertical bottom surface wh... | 03/14/1995 |
| 5390445 | Knife sharpening machine This knife sharpening machine comprises a supporting framework (2), means (3) of holding a knife (C) on the framework (2) at a sharpening section (4), a pair of disk grinders (10) acting on the knife at the sharpening section (4) from opposed sides thereo... | 02/21/1995 |
| 5027559 | Sharpening unit for leather splitting machines The sharpening unit comprises two diamond grinding wheels 6,7 mounted on respective shafts 8, 9 rotatably supported by a carriage 14 movable away from and towards the cutting blade 4 of a leather splitting machine to bring the grinding wheels in contact w... | 07/02/1991 |
| 4807401 | Process and apparatus for providing cutting edges Novel methods and apparatus for providing a facet on opposed surfaces of a cutting instrument such as a razor blade or the like. Essentially, the methods and apparatus are designed to initially abrade opposed surface portions of the instrument concurrentl... | 02/28/1989 |
| 4052174 | Apparatus for sharpening blade edges In one depicted embodiment of the invention the apparatus comprises a base on which a pair of honing wheels of a given, common diameter, and a pair of stropping wheels of another, common diameter are supported and rotatively driven -- the pairs being spac... | 10/04/1977 |
