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| Number | Title | Issue Date |
| 7189142 | Sharpening-trimming assembly The present invention relates to a sharpening-trimming assembly comprising a base (20), a casing (30) mounted on said base (20), the casing (30) having at least two insertion slots (40, 40′) provided on the upper portion of the c... | 03/13/2007 |
| 6254455 | Jig for use in sharpening cutting implement for use in wood turning A jig (10) for use in sharpening a cutting implement used in wood turning including a tubular body or housing (12) being mountable nearby a grinder. A tool holder (11) is located by and guided within the housing (12) so as to be pivotable about a longitud... | 07/03/2001 |
| 6110018 | Apparatus and methods of sharpening cutting tools An adapter for use with a powered grinding tool having a driven grinding wheel has a pivotally mounting part on a body thereof, and a drill bit holder engageable with the mounting part in either of two orientations for sharpening a tip of a drill bit clam... | 08/29/2000 |
| 5788559 | Web adjust drill bit sharpener and method of using A process and apparatus for sharpening twist drill bits, for use with a rotary abrasive wheel. The apparatus has a vertical support plate connectable to a standard adjustable base. A cylindrical ring rotatably mounted in the support plate has a radial dov... | 08/04/1998 |
| 5573452 | Drill grinder A drill grinder includes a feed means in which a sleeve, a first cam, a second cam, and a second casing are engaged in sequence, the sleeve having a disk which has two diametrically opposite formed plane portions and two first wheels rotatably engaged the... | 11/12/1996 |
| 5480345 | Knife sharpener This invention relates to a knife sharpener and more particularly to a knife sharpening device wherein the knife is clamped in a fixed position on a table or platform and the knife sharpening or grinding device is moved along the edge of the knife to be s... | 01/02/1996 |
| 5097634 | Tool grinder apparatus and method The present invention relates to a apparatus and method for sharpening rotary tools which includes a base for supporting a housing and a slidable table. The housing includes a motor which drives a grinding wheel located at the end of the drive shaft. A sl... | 03/24/1992 |
| 4995301 | Tri-motion grinding fixture A fixture for holding and positioning reamers and other objects for grinding has a support base connectable to a flat horizontal surface and its upper portion is positioned at an angle relative to the horizontal surface. A cylindrical sleeve rotatably mou... | 02/26/1991 |
| 4860497 | Drill grinder having drill holder including chucks for gripping shank and body of the drill A drill grinder for grinding a point of a drill including a shank, and a body which has the point. The drill grinder includes a holding device for removably holding the drill, and a grinding wheel adapted to be forced on the drill point, and to thereby gr... | 08/29/1989 |
| 4841678 | Tool sharpening apparatus A tool sharpening apparatus is set forth particularly for use in combination with grinding wheels wherein multi-adjustment and angularly displaceable supports cooperate to present a desired complex presentation of tool faces to be sharpened. Particularly ... | 06/27/1989 |
| 4642942 | Method and apparatus for grinding the tip of a twist drill Described herein is an apparatus for grinding a twist drill bit, especially for web thinning and split pointing of the tip of a twist drill. The apparatus includes a grinding disk and a drill bit holder movable relative thereto mounted on a support. The s... | 02/17/1987 |
| 4587767 | Apparatus for grinding An arrangement for relief grinding and polygonal grinding on a grinding machine has a device for moving the workpiece spindle and workpiece towards the grinding disk linearly of the pivotable operating lever.... | 05/13/1986 |
| 4544310 | Clutch and transmission mechanism A mechanism for machining an object, such as a key blank, to a desired shape at a plurality of successive positions in an axial direction of the object, includes a holder for the object. The holder is axially movable by means of a transfer mechanism with ... | 10/01/1985 |
| 4471581 | Universal twist drill sharpener apparatus A relatively low cost twist drill sharpener apparatus employable with a rotary grinding wheel has a twist drill alignment fixture which positions the drill with respect to the drill holding chuck. The twist drill holding chuck has mounted thereto one or a... | 09/18/1984 |
| 4468891 | Machine for point grinding drills A method of and machine for point grinding drills by supporting the drill to be pointed in a relatively fixed position and thereafter moving the drill and a bevelled grinding surface relative to each other while rotating the drill about its axis, and by s... | 09/04/1984 |
| 4411105 | Precision drill bit resurfacing tool The drill grinder includes a drill bit holder mounted for movement about a swing axis provided by a rocker arm. The swing axis parallels the plane of the grinding wheel. An index ring mounted on the holder provides precise indexing of the drill bit. The e... | 10/25/1983 |
| 4001975 | Twist drill sharpener and aligning fixture A twist drill sharpener employing a rotary grinding wheel has a twist drill chuck which mounts a pair of cams which are locked to the chuck when the lips of the twist drill are aligned in an aligning fixture and then the chuck, cams and drill are inserted... | 01/11/1977 |
