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| Number | Title | Issue Date |
| 7517275 | Apparatus for precision steeling/conditioning of knife edges A multi-stage sharpener includes at least one motor driven abrasive sharpening stage and one non-motor driven conditioning stage. The conditioning stage has a non-abrasive hardened surface and at least one precision knife guide which has a planar guide surface for c... | 04/14/2009 |
| 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 |
| 7153200 | Blade grinding tool A blade grinding tool includes a main base, a sucker mounted on the main base and attached to a surface, and a grinding unit mounted on the main base for grinding a blade of a cutting tool. Thus, the blade grinding tool is attached to a surface, so that a user needs... | 12/26/2006 |
| 7033254 | Grinding machine for double-sided grinding of saw tooth edges A grinding machine (10) for double-sided grinding of tooth flanks, in particular hard-metal tipped circular saw blades (14) is described. The grinding machine comprises two grinding units (16, 18) each with a grinding body, a first drive to move... | 04/25/2006 |
| 7018281 | Sharpening apparatus The sharpening apparatus of the present invention preferably comprises a hand sharpener that may be assembled or mounted on the knife (e.g., sold mounted on the knife by the knife manufacturer or purchased separately and mounted on the knife by the end-user), and wh... | 03/28/2006 |
| 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 |
| 6083088 | Implement working adapter An implement working adapter has a casing within which is a pulley-drive system for transferring drive from a powered grinding tool, with which the adapter is engaged, in use, to a pair of first and second grinding wheels within the casing, drive being tr... | 07/04/2000 |
| 5810645 | Apparatus for producing hollow ground needles An apparatus for applying a cutting edge on surgical needles having at least one abrading device and a needle holding mechanism. The abrading device includes an abrasive member such as a rotatable abrasive belt or grinding wheel. The needle holding mechan... | 09/22/1998 |
| 5700184 | Dental instrument sharpening system A dental instrument sharpening system includes an instrument arm for holding a chiral bladed dental instrument and for facilitating movement of at least one of the chiral blades of the dental instrument to a rotatable sharpening stone. A positioning mecha... | 12/23/1997 |
| 5245789 | Knife sharpener A knife sharpener has a slotted casing for housing grinding wheels made up of modular elements placed in back-to-back relation to form an assembly interfitting with a second assembly. The two assemblies rotate in opposite directions for peripheral grindin... | 09/21/1993 |
| 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 |
