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| Number | Title | Issue Date |
| 7402006 | Manufacturing method of gear device This method includes: a supporting process of supporting a worm wheel in a first supporting section of a supporting body; an engaging process of engaging a jig gear which corresponds to a worm with the worm wheel; a measuring process of measuring a distance between ... | 07/22/2008 |
| 7377731 | Chamfering cutting tool or grinding wheel and method of making and use thereof A work piece having edges comprising teeth, slots, dovetail, keyway or other irregularly shaped artifacts, can be provided with a uniform chamfer around the periphery of the work piece by bringing a grinding wheel or cutter in one single down feed at indexed interva... | 05/27/2008 |
| 7310863 | De-burring apparatus for a hobbing machine The present invention provides a hobbing machine. The hobbing machine includes a clamp fixture adapted to retain a gear blank. A motor is operatively connected to the clamp fixture and is configured to rotate the clamp fixture and the gear blank together at a predet... | 12/25/2007 |
| 7226255 | Five-simultaneously-working-axis computerized numerical controlled tooth cutting machine tool for plane enveloping toroidal worms The present invention provides a five-simultaneously-working axis computerized numerical controlling system tooth cutting machine tool for toroidal worms, comprising two parts a body of the machine tool and a controlling cabinet. The body comprises a bed, a spindle ... | 06/05/2007 |
| 7188420 | Method for manufacturing bevel gears A method for manufacturing a bevel gear member, comprises the steps of providing a bevel gear blank having a gearhead, forming gear teeth on the gearhead of the bevel gear blank by simultaneously cutting gear tooth top land, gear tooth side profile and a bottom land... | 03/13/2007 |
| 7156628 | Wobblestick with helix A wobblestick with driving teeth with a helix which is equal to or less than 1° of the running angle of the wobblestick. ... | 01/02/2007 |
| 7103973 | Method, device, and tool for chamfering the front-end edges of the inter-teeth grooves of a gear A method for the manufacture of a toothed gear from a gear blank wherein the gear blank loaded into a machine tool and rotationally driven is machined by a hobbing cutter disposed on a rotationally driven tool shaft and the rough-hobbed gear, once produced, is subse... | 09/12/2006 |
| 7076875 | Method of manufacturing compound helical planet gears having different leads A method is provided for manufacturing a compound helically toothed planet gear for a planetary gear set wherein the individual gear elements of the compound planet gear have different leads. The method identifies and utilizes the several factors affecting gear timi... | 07/18/2006 |
| 7044691 | Forming method for milling threads of variable tooth worms A forming method for milling teeth of variable tooth worms (VTW) with the following features: on a multi-axis simultaneously-working CNC machine-tool a moving coordinate system {σ1(φ1)[O1;{right arrow over (i)}1(φ1... | 05/16/2006 |
| 6939093 | Chamfer hob and method of use thereof A chamfer hob for and a method of providing a chamfered end and having an identical chamfer angle at both a front face and a back face of a gear including a shaft, a plurality of helical cutting vanes extending radially outwardly from the shaft, such that the radial... | 09/06/2005 |
| 6905292 | Gear shaping machine and method for the operation of a gear shaping machine The invention relates to a gear shaping machine for the production, or more precisely machining, of gear wheels with a motor-driven rotatable machine table for holding the work-piece, a thrust spindle with a tool fixed thereto, preferably a cutting wheel, the thrust... | 06/14/2005 |
| 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 |
| 6739943 | Machining the teeth of double sided face gears On account of the constructional form of the tool head (17) according to the invention, the opposite sides (18, 19) of a tool (13) attached to the tool spindle (14) of a numerically controlled continuously generating gear grinding or hobb... | 05/25/2004 |
| 6618917 | Complex machining tools A headstock 10 having a chuck 12 and a tailstock 20 having a shaft 21 are mounted on a bed 1 and can move with respect to each other in the direction of the Z-axis, A carriage 50 is slidably mounted on the bad 1 and can move in the Z-axis direction with r... | 09/16/2003 |
| 6536999 | Gear cutter blade A cutter blade for use with a face hob type cutter for producing the teeth of spiral bevel and hypoid gear members by a continuous index, face hobbing process comprises a cutter blade shank having a cutting member provided at one end thereof. The cutting ... | 03/25/2003 |
| 6450740 | Mechanical gear hob with stock divide by differential gear box A mechanical gear hob is equipped with an automatic stock divide device that enables the hob to cut or re-cut gear parts that already have teeth in them by automatically synchronizing the gear teeth to the hob cutter. The hob is equipped with a hob shift ... | 09/17/2002 |
| 6416262 | Gear shaping method and device and spiral bevel gear cutter A bevel gear is generated using an annular milling cutter having a blade material made of a high-speed tool steel mounted to a main body, the blade material being coated with at least one layer of a film of a composition substantially comprising (Ti.sub.(... | 07/09/2002 |
| 6299393 | Method and apparatus for chip removal Chip enclosure (150) wherein the interior portion comprises a primary suction port (152) and a secondary suction port (154). Both primary suction port and secondary suction port are connected via a short neck portion (155) to outlet (156) that is in commu... | 10/09/2001 |
| 6134786 | Method for improvement of involute and lead error in powder metal gears Gears, particularly spur gears, are produced by powder metal techniques with minimal lead line error and eccentricity, which gears are preformed from powder metal, sintered, hardened and thereafter have their involute surfaces regenerated by a hard hob wi... | 10/24/2000 |
| 6116828 | Gear cutting method and apparatus Gear cutting is to be effected in high efficiency and at low cost. To this end, using a hob 16 coated with at least one layer of a film of a composition comprising: (Ti.sub.(1-x) Alx)(Ny C.sub.(1-y)) 0.2ࣘxࣘ0.85 0.25ࣘyࣘ1.0, dry cut... | 09/12/2000 |
| 6065910 | Gear shaper cutting method and apparatus A gear shaper effects a gear shaper cutting method by dry cutting, using a pinion cutter made of high-speed tool steel at a high efficiency. The pinion cutter of the gear shaper is coated, at least on the flank thereof, with at least one layer of film hav... | 05/23/2000 |
| 6056487 | Compact, high through-put gear machine A compact high through-put gear cutting machine collects stress transmitting structure adjacent to the work piece significantly reducing the weight and cost of the machine while providing a high degree of rigidity. This structure is positioned so as not t... | 05/02/2000 |
| 5954568 | Method, tool and device for the profiling of grinding worms for continuous gear grinding The profiling tool (10) has a segment (12) of a worm thread. Its active zone (13) is coated with grains of hard material (16) and is crowned in cylinder sections coaxial to the tool axis (26). During profiling, the grinding spindle (2) and the tool (10) r... | 09/21/1999 |
| 5938380 | Method for rotationally driving gear material when hob machining is performed, and gear In order to rotationally drive a gear material (3) when the gear material (3) is gear machined using a hob (not shown), a drive hole (34) having a circular configuration in section and extending on an axis L of the gear material (3) is formed in an end fa... | 08/17/1999 |
| 5791840 | Method of producing a crown wheel Method of producing a conical or cup-shaped crown wheel which can mesh with a cylindrical pinion with the inclusion of an angle . The crown wheel is produced by means of a generating process. The tool (1, 43) consists of a disc (3) which has machin... | 08/11/1998 |
| 5720584 | Tool for producing a crown wheel which can mesh with a pinion with oblique teeth, and method of producing such a crown wheel In the production of a crown wheel which can mesh with a cylindrical pinion if the axes of rotation of the crown wheel and the pinion are not parallel, the workpiece from which the crown wheel is produced and a generating tool rotate at a ratio in the spe... | 02/24/1998 |
| 5645467 | Method for the precision machining of gear-wheels A method for the precision machining of flanks of gear-wheel-shaped workpieces, in particular those with convex teeth, using an internally toothed tool with crossed axes, in which simultaneous relative movements take place not only in three mutually perpe... | 07/08/1997 |
| 5456558 | Globoid worm gear generating method There is disclosed a globoid worm gear generating method in which the surface of a globoid worm generating tool is defined as the tooth surface of an intermediate gear by an inverted conical surface whose semivertical angle γ is 90° | 10/10/1995 |
| 5417528 | Method for making a wobblestick A wobblestick and a method for forming teeth on a wobblestick wherein the minimum distance between the axis of the hob and the axis of the wobblestick remain substantially uniform throughout the forming of the teeth so as to form the teeth while producing... | 05/23/1995 |
| 5356342 | Teeth for a wobblestick A wobblestick for forming teeth on a wobblestick wherein the minimum distance between the axis of the hob and the axis of the wobblestick remain substantially uniform throughout the forming of the teeth so as to form the teeth while producing a wobblestic... | 10/18/1994 |
| 5228814 | Gear hobbing machine Disclosed herein is a hobbing machine particularly for the production of spur and helical gears. The hobbing machine is characterized in that a separate mechanism for hob shifting is not required. The hob shifting, as well as other machine motions, is car... | 07/20/1993 |
| 4998385 | Method of modified gear cutting of a globoid worm gear A method of modified gear cutting of a globoid worm gear. A worm wheel gear cutting tool employs a conical cutting surface which is substantially the same as the conical surfaces of the teeth of a cooperating globoid worm wheel. The worm wheel is the reci... | 03/12/1991 |
| 4971487 | Method for cutting involute gears A method for simultaneously cutting and chamfering involute gears. The pressure angle 댑 and module M of the teeth of a hob for cutting the teeth are selected with respect to the nominal pressure angle 댐 and nominal modu... | 11/20/1990 |
| 4955769 | Gear coupling and hub A gear hub for flexible gear couplings wherein the teeth of said hub are cut while the hub is being moved constantly through all of the positions that the hub would assume relative to the sleeve during operation with the hub shaft misaligned with the slee... | 09/11/1990 |
| 4926712 | Worm wheel and method of hobbing same An hourglass worm wheel and method of hobbing same wherein the finished worm wheel (70) includes a mid zone (B) where the root surface and outside helix are cylindrical for a predetermined distance along the axis of the worm wheel. The method forming the ... | 05/22/1990 |
| 4902175 | Method and apparatus for determining the angular position of a workpiece and positioning the same A method and apparatus for determining the angular position of a workpiece and for positioning the same relative to at least one tool. The workpiece has at least one set of teeth. Pulses are derived from a rotating reference workpiece and from a reference... | 02/20/1990 |
| 4872791 | Method of forming crowned gear teeth A method of manufacturing hubs for flexible gear couplings is disclosed wherein the teeth of said hub are cut while the hub is being moved constantly through the position that the hub would assume relative to the sleeve during operation with the hub shaft... | 10/10/1989 |
| 4865497 | Method for machining the flanks of gears by skiving and apparatus for implementing such method The method is used for machining flanks of unhardened or hardened, spur-toothed or helical-toothed, internally toothed or externally toothed cylindrical gears by skiving. Basic rotation is produced between a tool and a workpiece. In addition, a helical mo... | 09/12/1989 |
| 4748772 | Apparatus for the precision working of the tooth system of bevel gears For the precision working of particularly hardened bevel gears, a method and an apparatus are disclosed in which the workpiece is moved during rolling contact with a bevel-gear-shaped tool having abrasive flanks. Workpiece and tool rotates in meshing rela... | 06/07/1988 |
