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| Number | Title | Issue Date |
| 7371037 | Rotary cutting tool comprising two cutting portions having opposed cutting directions A rotary cutting tool extending along a longitudinal axis and including a first cutting portion including a plurality of first helical teeth having a helix direction and being designed to work in a first direction of rotation of the tool. The tool also includes a se... | 05/13/2008 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6839953 | Combination gear hobber, chamfer/debur and shaver apparatus and method An apparatus is provided for manufacturing a gear component. The apparatus includes a plurality of tooling stocks movable relative to a base. The tooling stocks function to retain a component, as well as operably driving a combination hob/shaver tool and a combinati... | 01/11/2005 |
| 6757949 | Combination gear hobber, chamfer/debur and shaver apparatus and method An apparatus is provided for manufacturing a gear component. The apparatus includes a plurality of tooling stocks movable relative to a base. The tooling stocks function to retain a component, as well as operably driving a combination hob/shaver tool and a combinati... | 07/06/2004 |
| 6676337 | Tool for chamfering and deburring the end face tooth edges of gear wheels A tool for chamfering and deburring of end face tooth edges of spur and helical gears comprising (1) at least one rolling deburring wheel for machining the tooth edges, arranged at an end face relative to the workpiece and meshing therewith, and (2) a too... | 01/13/2004 |
| 6585457 | Abrasive generation of non-metallic gear A hob cutter includes a cutting portion and an abrading portion in mechanical communication with the cutting portion. The cutting portion includes a plurality of hob teeth having at least one gash extending therethrough to define a cutting face on a front... | 07/01/2003 |
| 6050755 | Apparatus for chamfering and deburring gear tooth end edges Apparatus for chamfering and deburring the tooth end edges of straight and skew-teeth gears, comprising at least one deburring wheel arranged endways with respect to the work and meshing with it in finishing the tooth edges, comprising a toothed guide gea... | 04/18/2000 |
| 5651644 | Rotary shaving cutter with alternatively arranged plates A wafer shaving cutter includes a plurality of first annular plates alternatingly arranged with spacers or second plates and joined together into a fixed member. Each of the first plates includes a plurality of circumferentially spaced teeth, each tooth h... | 07/29/1997 |
| 5377457 | Method for generating of gear-shaped precision-working tools, in particular for regrinding shaving gears, and a gear-shaped tool, in particular a shaving gear, to which the method can be applied Gear-shaped precision-working tools, in particular shaving gears, capable of providing an optimum machining result only during a portion of their entire lifetime, since during each regrinding (generating), the profile displacement factor, and thus the num... | 01/03/1995 |
| 5007773 | Shaving cutter A helical toothed shaving cutter used for finishing or shaving of gears as well as a shaving cutter suitable for plunge cut shaving. The shaving cutter includes a multiplicity of ribs forming the cutter tooth flanks, arranged in a manner substantially sym... | 04/16/1991 |
| 4848976 | Laminated gear shaving tools A laminated gear shaving tool formed by a stack of toothed discs mounted on a rotatable body. The flanks of each tooth are cut away to form lands, the lands being successively laterally displaced (staggered) across the disc thickness around the circumfere... | 07/18/1989 |
| 4720220 | Tool for machining tooth flanks and method of finishing tooth flanks For machining the tooth flanks of a hardened workpiece having pre-formed teeth two cutting blades or plates are secured to a cutting blade or plate holder. The cutting blades or plates are provided with a base member or backing formed of a hard metal and ... | 01/19/1988 |
| 4610577 | Gear or rack-shaped tool for precision machining of tooth flanks particularly of hardened gears A gear or rack-shaped tool for precision machining of tooth flanks of gears is provided with a coating of a hard material like diamond or cubic bornitride (CBN). In order to be able to apply this coating without any problems, the tool includes two connect... | 09/09/1986 |
| 4426893 | High production serrator A machine for serrating the flanks of the teeth of a gear-like tool for shaving gears in which a generating, relative motion equivalent to rolling the tool on a rack is provided and in which one of a plurality of serrating tools are positioned for cutting... | 01/24/1984 |
| 4380411 | Shaving cutter A screw type shaving cutter and a method of producing the same. A large number of cutting edges are formed on the flanks of the thread of the cutter. Each cutting edge is inclined along a curve or a straight line in the trailing direction as viewed in the... | 04/19/1983 |
| 4280773 | Shaving cutter and method of producing the same A screw type shaving cutter and a method of producing the same. A large number of cutting edges are formed on the flanks of the thread of the cutter. Each cutting edge is inclined along a curve or a straight line in the trailing direction as viewed in the... | 07/28/1981 |
| 4155677 | Toothed tool for the cutting deburring of gears An improvement in a deburring or chamfering tool mountable on at least one face of a guide gear of the type disclosed in U.S. Pat. No. 4,068,558 . The teeth of the tool have on one axially facing side thereof grooves extending from one edge of the tooth t... | 05/22/1979 |
| 4068558 | Device for deburring or chamfering of the face edges of gears A device for deburring or chamfering the axial edges of teeth on a workpiece. The device is composed of a guide disk having a pair of cutting disks on the axially facing sides thereof. The cutting disks each have teeth thereon as does the guide disk. The ... | 01/17/1978 |
| 3995352 | Gear shaving cutter A gear shaving cutter, which is rotated in meshing engagement with a gear to be finished so as to impart a shaving finish to the latter, is formed upon its periphery with a plurality of cutting teeth, each of which is formed wholly or partially upon its c... | 12/07/1976 |
| 3943822 | Toothed tool having cutting edges on the tooth surfaces Gear cutting tool. There is provided a toothed tool for the plunge cut shaving of a gear workpiece having in the tooth surfaces a plurality of grooves whose edges constitute cutting edges, which grooves are spaced apart to define increments on each tool t... | 03/16/1976 |
