| Patents for B23F 23 - Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (3,080) |
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| 09/24/1991 | US5051913 Synchronous operation control system for numerically controlled machine |
| 09/11/1991 | EP0446016A2 Apparatus for adjusting a slide stroke of a press machine |
| 09/06/1991 | CA2037500A1 Apparatus for adjusting a slide stroke of a press machine |
| 09/03/1991 | CA1288268C Hob clamping system |
| 08/06/1991 | US5037252 Multi-spindle synchronous drive unit and gear cutting machine employing the same |
| 07/25/1991 | WO1991004120A3 A gear-shaving machine |
| 07/16/1991 | US5031491 Tool device |
| 06/26/1991 | EP0433925A2 Hydraulic clamping device |
| 06/11/1991 | US5022802 System for generating a tooth profile used in a differential speed reduction apparatus |
| 06/11/1991 | US5022195 Method and apparatus for machining centering chamfers |
| 06/04/1991 | US5020279 Machine tool for manufacture and dressing of tools and for finish-machining of gear wheels |
| 05/28/1991 | US5018913 Device for controlling the tool position depending on the stroke position |
| 05/14/1991 | US5014467 Method and machine for the discontinuous generating grinding with indexing |
| 04/17/1991 | EP0394365A4 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 04/17/1991 | EP0305471A4 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 04/04/1991 | WO1991004120A2 A gear-shaving machine |
| 03/13/1991 | EP0417050A2 Equipment for dressing worm type grinding tools in gear grinding machinery |
| 03/13/1991 | EP0416151A1 Grinding head for producing internal profiles |
| 03/12/1991 | US4998385 Method of modified gear cutting of a globoid worm gear |
| 03/05/1991 | US4996758 Method and apparatus for spur and helical gear manufacture |
| 02/27/1991 | EP0413725A1 Process and machine for cutting flanks of one-piece endless screws |
| 02/21/1991 | WO1991002201A1 A machine for chamfering the sharp edges of the teeth of annular gears |
| 02/12/1991 | US4991353 Grinding machine for grinding pregeared bevel gears |
| 01/01/1991 | US4981402 Multi-axis bevel and hypoid gear generating machine |
| 11/29/1990 | DE3915976A1 Verfahren zur schlichtbearbeitung der flanken von zylinderraedern durch waelzschaelen sowie vorrichtung zur durchfuehrung eines solchen verfahrens Method for simply editing the flanks of cylindrical gears by skiving and device for carrying out said method |
| 11/27/1990 | US4972564 Apparatus for correcting surface imperfections on a surface of gear tooth |
| 11/20/1990 | US4971488 Table sliding apparatus for gear finishing machines |
| 11/06/1990 | US4968196 Pattern wheel cutting apparatus |
| 10/31/1990 | EP0394365A1 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 10/30/1990 | US4966573 Differential speed reduction apparatus and double-toothed gear for use therein |
| 09/20/1990 | DE4004246A1 Universal gear-milling head - has protruding guide beam on pivoting portion above axis of rotation |
| 09/13/1990 | DE3907656A1 Method and device for stabilising the position of a supporting structure relative to a work table in a precision machine tool |
| 09/11/1990 | US4955769 Gear coupling and hub |
| 09/11/1990 | US4955768 Fixture for making a gear |
| 09/04/1990 | US4954028 Process for making, finishing crown wheels |
| 08/28/1990 | US4951426 Grinding fluid feeder apparatus |
| 08/21/1990 | US4950112 Machine for the precision working of the tooth flanks of toothed workpieces |
| 08/16/1990 | EP0382029A1 Two-spindle synchronous drive unit and gear cutting machine employing the same |
| 08/14/1990 | US4947590 Method for the precision working of crowned tooth flanks on particularly hardened gears |
| 07/24/1990 | US4942657 Automatic cutter change type shaving machine |
| 07/03/1990 | US4937947 Apparatus for adjusting shaft supports to a reference axis |
| 06/27/1990 | EP0374139A1 Multi-axis bevel and hypoid gear generating machine. |
| 06/20/1990 | CN1043102A Trial and error procedure for gear change |
| 06/05/1990 | US4930950 Apparatus for adjusting the drums of a bevel-gear cutting machine |
| 05/23/1990 | DE3930321C1 Finishing hardened gear tooth flanks - first removes burrs from one tooth flank, and subsequently from other flank under reversal of rotation direction |
| 05/02/1990 | EP0366074A2 Apparatus for correcting surface imperfections on a surface of gear tooth |
| 05/02/1990 | EP0365547A1 Grinding machine for continuous rolling grinding of toothed wheel work. |
| 05/01/1990 | US4920703 Method and apparatus for finishing a tooth surface of a gear |
| 04/18/1990 | EP0255514B1 Automatic loader for machine tools |
| 04/04/1990 | EP0360953A2 Machine for finishing the tooth flanks of toothed work pieces |
| 03/29/1990 | DE3930861A1 Position controller for gear grinding machine - uses sensor to accurately position grinding head in gear tooth groove |
| 03/27/1990 | US4910922 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 02/28/1990 | EP0355318A1 Device for setting the cradle of a bevel gear manufacturing machine |
| 02/20/1990 | US4902175 Method and apparatus for determining the angular position of a workpiece and positioning the same |
| 02/07/1990 | EP0353451A2 Device for producing a gear |
| 01/18/1990 | DE3922241A1 Method and apparatus for the automatic fine machining of the tooth flanks of a rough-machined gear |
| 01/03/1990 | EP0348525A1 Machine tool for making and trimming of instruments and finishing of gears |
| 12/13/1989 | EP0346146A2 Table traversing apparatus for gear finishing machines |
| 12/13/1989 | CN2049163U Specialized tail stock |
| 11/29/1989 | EP0344037A1 Machine for adjusting shafted gear wheels on tool equipment |
| 11/23/1989 | EP0343043A1 Shafted pinion center rectification machining method |
| 11/15/1989 | EP0341485A1 Cutting method for the flanks of one part warms and one part a worm cutting machine |
| 11/02/1989 | WO1989010225A1 Process and machine for cutting flanks of one-piece endless screws |
| 10/10/1989 | US4872791 Method of forming crowned gear teeth |
| 09/13/1989 | EP0332450A2 Double-toothed gear, system for generating its tooth profiles and differential speed reduction apparatus using it |
| 09/13/1989 | EP0331869A2 Device for controlling a tool's position in dependence upon the stroke position |
| 09/12/1989 | US4865497 Method for machining the flanks of gears by skiving and apparatus for implementing such method |
| 09/08/1989 | WO1989008006A1 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 09/07/1989 | DE3805665A1 Gear-cutting machine with CNC control for producing bevel gears |
| 09/05/1989 | US4862868 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels |
| 08/31/1989 | DE3805360A1 Method of producing the rolling movement for the manufacture of tooth flanks on bevel gears |
| 08/30/1989 | EP0330289A1 A process for the making and/or finishing of crown wheels |
| 08/08/1989 | US4854087 Grinding disc |
| 07/25/1989 | US4850760 Method of finishing gears |
| 07/25/1989 | US4850155 Method for machining gearwheels |
| 07/18/1989 | US4848040 Apparatus for grinding shaving cutter teeth, and method of same |
| 07/13/1989 | DE3841882A1 Apparatus for the infeed of a grinding slide on a gear-grinding machine working by the generation method with indexing control |
| 06/29/1989 | WO1989005703A1 Machine tool for making and trimming of instruments and finishing of gears |
| 06/01/1989 | DE3804781A1 Abrasive wheel |
| 05/23/1989 | US4832543 Automatic handling and control device for the loading magazines of automatic machine tools |
| 05/23/1989 | US4831788 Method and device for controlling the rolling drive of a gear grinding machine |
| 05/02/1989 | US4826369 Apparatus for machining splines on a tubular member |
| 04/27/1989 | DE3831347A1 Apparatus for compensating for axial runout of a gear mounted on a gear-cutting machine |
| 04/27/1989 | DE3823560C1 Fine-machining method for crowned tooth flanks on, in particular hardened, gears |
| 04/19/1989 | EP0311786A2 Method and machine for discontinuous generating grinding with indexing |
| 04/19/1989 | EP0311778A2 Method for finishing crowned tooth flanks, in particular of hardened gears |
| 04/19/1989 | EP0311685A1 Shaving machine of automatic cutter replacing type |
| 04/18/1989 | US4822217 Assemblage of components for the drive system of the worktable in an automatic gear cutting machine |
| 04/06/1989 | DE3730249A1 Method and device for lapping bevel gears |
| 04/04/1989 | CA1251907A1 Self centering quick change cutting tool assembly |
| 03/23/1989 | DE3827175A1 Verfahren und vorrichtung zur endbearbeitung der zahnoberflaeche eines zahnrades Method and device for the finishings zahnoberflaeche a gear |
| 03/15/1989 | EP0227663B1 Apparatus for machining teeth on gear wheels |
| 03/09/1989 | WO1989001838A1 Multi-axis bevel and hypoid gear generating machine |
| 03/08/1989 | EP0305471A1 Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels. |
| 01/25/1989 | CN1030541A Generating apparatus of drum gear |
| 01/24/1989 | US4799473 Gearlike dressing tool |
| 01/24/1989 | US4799337 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 01/17/1989 | US4798504 Workpiece machining apparatus and method |
| 12/29/1988 | DE3819320A1 Grinding machine for the continuous generation grinding of gears |
| 12/28/1988 | CA1247441A Controlled roughening of a photosensitive composition |