| Patents for B23B 19 - Headstocks; Equivalent parts of any machine tools (3,087) |
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| 07/23/1991 | US5033922 Apparatus for driving spindles of machine tools |
| 07/17/1991 | EP0437322A2 Spindle unit for a machine tool |
| 07/04/1991 | DE4000025A1 Device for machining workpieces to slightly elliptical section - is subject to hydraulic pressure control from computer operating on tool carrier position and angle measurements |
| 07/02/1991 | US5027682 Attachment mounting mechanism in a machine tool |
| 06/25/1991 | US5027280 Machining apparatus having a main spindle supported by magnetic bearings |
| 06/25/1991 | US5026224 Tool assembly |
| 06/25/1991 | US5025689 Method and apparatus for machining axially symmetrical parts |
| 06/18/1991 | US5024027 Tool mounting mechanism for a machine tool |
| 06/13/1991 | DE4032430C1 High speed attachment for milling machine - has positive stop as elongated plate, whose end region is secured to epicyclic rim |
| 05/28/1991 | US5018915 Spindles of machine tools |
| 04/24/1991 | EP0423675A2 A spindle for machine tools |
| 04/24/1991 | EP0423427A2 Clamping device for fixing the sleeve of a spindle onto an automatic machine-tool platform |
| 03/20/1991 | EP0417275A1 Automatic speed change method for dump truck for construction machine |
| 03/06/1991 | EP0415138A2 Spindle arrangement for a lathe |
| 03/06/1991 | EP0290546B1 Workpiece-holder spindle with magnetic bearings and devices for implementing such spindle for very high precision machine-tool |
| 01/16/1991 | EP0407783A1 Device for the infeed of the quill at machine tools, in particular flat grinding machines |
| 01/16/1991 | CN1011208B Tool joint, its elements and method for mounting it |
| 01/09/1991 | EP0406437A1 Method of fabricating a stator structure of built-in motor |
| 12/27/1990 | WO1990015692A1 Rotatably driven spindle |
| 12/26/1990 | CN2068025U Multi-functional vehicle differential axle casing drawing and pressing machine |
| 12/19/1990 | EP0402506A1 Driven spindle |
| 12/11/1990 | US4976177 Workpiece-carrier spindle assembly having magnetic bearings, and a device implementing such an assembly for a very high precision machine tool |
| 09/25/1990 | US4958967 Spindle feed mechanism for a machine tool |
| 09/18/1990 | US4957398 Two-section tool spindle having a channel for carrying pressurized fluid |
| 09/18/1990 | US4956945 Internal grinder |
| 08/30/1990 | DE4006057A1 Spindle of machine tool - has accessories attached by movable sleeve with teeth formed in end face |
| 07/19/1990 | DE3901317A1 Device for setting the axial preload of rolling contact bearings and spindle nuts |
| 07/12/1990 | WO1990007817A1 Stator structure of built-in motor |
| 07/04/1990 | EP0376178A1 Machine tool with motor spindle cooling |
| 06/19/1990 | US4934883 Tool assembly |
| 06/07/1990 | DE3844423C1 Method and apparatus for working wire-shaped or rod-shaped material |
| 05/22/1990 | US4927304 Holder for rotary material removing tools |
| 05/15/1990 | US4926493 Bearing system for high speed spindles of machine tools |
| 05/08/1990 | US4924524 Bearing assembly for the working spindle of a machine tool |
| 04/18/1990 | CN1041308A Spindle feed mechanism for boring machine or like machine tool |
| 04/05/1990 | WO1990003237A1 A flange attachment for a drilling, milling or drilling-and-milling machine tool spindle |
| 03/29/1990 | DE3831666A1 Vorsatzflansch fuer eine bohr-, fraes- oder bohr-fraes-werkzeugmaschinenspindel Standard intake for a drilling, milling or drilling-milling machine tool spindle |
| 02/14/1990 | EP0354496A2 Working spindle for milling and boring machines |
| 12/20/1989 | CN2049571U Special-purpose lathe for cradle roll of belt conveyer |
| 12/07/1989 | DE3819181A1 Milling and/or drilling machine with work-spindle locking |
| 12/07/1989 | DE3818449A1 Work spindle for high bending load and torque measurement by torsion |
| 11/29/1989 | CN2048407U Adjustable spindle gearing for turning conical screw |
| 11/23/1989 | DE3913139A1 Arrangement of a machine tool for accommodating tools or workpieces |
| 11/01/1989 | CN2046779U Precision principal axis system with adjustable pre-load hollow cylinder roller bearing |
| 09/27/1989 | EP0334298A2 Method and device for machining articles having a rotational symmetry |
| 09/27/1989 | CN1035784A High-damp spindle device |
| 09/20/1989 | EP0333352A2 Internal grinding machine |
| 09/06/1989 | EP0330905A2 Spindle for machine-tools with exchangable spindle parts |
| 08/16/1989 | CN2042762U Miniature multipurpose machine tool |
| 08/15/1989 | US4856153 Spindle mechanism |
| 07/05/1989 | EP0322710A2 High-velocity bearing for a machine tool spindle |
| 06/13/1989 | CA1255727A1 Mechanism for pre-loading bearings |
| 05/30/1989 | US4834597 Tool assembly, tool components and method of assemblying said components |
| 05/16/1989 | US4829861 Headstock assembly for a chucker and bar machine |
| 05/10/1989 | EP0315469A2 Machining apparatus and method |
| 05/09/1989 | US4827815 Hollow-spindle method of machining a short-length workpiece |
| 05/02/1989 | CA1253554A1 Variable preload bearing assembly |
| 04/19/1989 | CN2036075U Brake device for c 616 lathe |
| 04/18/1989 | US4822182 Rotary motion driving apparatus |
| 04/11/1989 | CA1252274A1 Machine tool |
| 03/30/1989 | DE3829629A1 Arbeitseinheit zu mechanischen bearbeitung mit positions- und geschwindigkeitseinstellung Work unit to mechanical processing with position and speed setting |
| 02/15/1989 | CN2032516U 车床 Lathe |
| 02/14/1989 | CA1249922A1 Spindle lock-up device |
| 02/07/1989 | CA1249703A1 Base construction for threading machines |
| 01/18/1989 | CN2030921U High-damping spindle unit |
| 01/12/1989 | WO1989000090A1 Bearing arrangement for the working spindle of a machine |
| 01/11/1989 | EP0298509A1 Arrangement of the bearings on a machine tool work spindle |
| 12/15/1988 | DE3804405A1 Shaft of carbon-fibre-reinforced plastic, in particular a tool spindle |
| 12/07/1988 | EP0294348A1 Tool assembly, tool components and method of assemblying said components |
| 11/17/1988 | EP0290546A1 Workpiece-holder spindle with magnetic bearings and devices for implementing such spindle for very high precision machine-tool. |
| 11/02/1988 | EP0288660A2 Tool spindle arrangement with an electric driving motor |
| 11/02/1988 | CN88102174A Tool joint, its elements and method for mounting it |
| 10/26/1988 | CN87215226U Multi-function cutting head |
| 09/20/1988 | US4772163 Machine tool spindle and toolholders suitable therefor |
| 09/07/1988 | EP0280776A2 Bearing application for bevel gear shaft |
| 08/30/1988 | US4766788 Superprecision lathe |
| 08/16/1988 | US4763549 Machine tools, preferably lathes |
| 08/11/1988 | WO1988005732A1 Automatic speed change method for dump truck for construction machine |
| 07/27/1988 | CN87211522U Viberation-reducing and sound-insulating main shaft box of horizontal lathe |
| 07/21/1988 | DE3727525A1 Main spindle, in particular a high-speed milling spindle, for machine tools |
| 07/06/1988 | EP0273179A2 Spindle with positive lock drawbar |
| 05/26/1988 | DE3640147C1 Machine-tool spindle and matching tool holders |
| 05/19/1988 | WO1988003458A1 Workpiece-holder spindle with magnetic bearings and devices for implementing such spindle for very high precision machine-tool |
| 05/18/1988 | EP0267572A2 Headstock for lathe |
| 05/10/1988 | US4742740 Automatic rod guide adjusting method for a numerically controlled lathe and lathe for carrying out the method |
| 04/19/1988 | US4738187 Self-lubricating hydraulic actuator for power chuck |
| 04/19/1988 | US4738171 Multiple-spindle lathe |
| 04/05/1988 | US4735532 Spindle with positive lock drawbar |
| 03/16/1988 | EP0259517A1 Spindle for a machine tool quill provided with a socket for holding a turning or a milling tool |
| 03/09/1988 | EP0258989A1 Clamping device in a machine tool spindle |
| 02/02/1988 | US4722123 Driving system for automatic lathes |
| 12/23/1987 | EP0249704A2 Tool holder |
| 11/18/1987 | CN86103782A Supporting device for screw-shafts |
| 11/10/1987 | US4705440 Tool holder for milling or boring machine |
| 10/20/1987 | US4700510 Spindle stock unit for surface grinding machine |
| 10/07/1987 | CN86208176U High rigidity main spindle system for machine tool |
| 09/29/1987 | US4696209 Lathe having an integrated chuck |
| 08/12/1987 | EP0231911A2 Method of automatically adjusting a bar guide in a CNC-turning machine and a turning machine for carrying out this method |
| 07/21/1987 | US4681492 High-speed spindle |
| 05/06/1987 | EP0220558A2 Fluid distributor for a rotating clamping cylinder |