| Patents for B23B 31 - Chucks; Expansion mandrels; Adaptations thereof for remote control (16,028) |
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| 05/02/1991 | EP0424388A1 Device for axially clamping a tool, in particular a grinding wheel. |
| 05/01/1991 | CN1051003A 工具夹盘 Tool chuck |
| 04/30/1991 | US5011346 Mounting device with conical shank |
| 04/30/1991 | US5011344 Positive drive adapter |
| 04/30/1991 | US5011343 Drills |
| 04/30/1991 | US5011167 Chuck jaw |
| 04/25/1991 | DE4033122A1 Tool chuck with torque amplification |
| 04/24/1991 | EP0423675A2 A spindle for machine tools |
| 04/24/1991 | EP0423425A1 Collet chuck for automatic machine tools |
| 04/24/1991 | EP0423237A1 Quick disconnect coupling for use with boom mounts and/or tooling mounts. |
| 04/24/1991 | EP0412157A4 Device for clamping a wire rod |
| 04/23/1991 | US5009555 Tool holder for machine tool |
| 04/23/1991 | US5009440 Tool chuck for tool bits |
| 04/23/1991 | US5009439 Chuck for tools |
| 04/23/1991 | US5009136 Turning machine |
| 04/18/1991 | WO1991004814A1 Adjustable fastening device |
| 04/17/1991 | EP0415964A4 Keyless chuck |
| 04/16/1991 | US5007151 Machine tool turret |
| 04/11/1991 | DE3937448A1 Hydraulic system for actuating rotating chucks - has three separately controlled stages for fast approach, clamping and force retention |
| 04/09/1991 | US5005843 Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus |
| 04/09/1991 | US5005453 Drive for relatively axially shifting chuck parts |
| 04/09/1991 | US5005279 Collet insertion and removal device and method |
| 04/03/1991 | EP0419716A1 Contactless transmitting method for physical quantities measured in a rotating component |
| 04/02/1991 | US5003702 Master gear turning assembly |
| 03/27/1991 | EP0418262A1 Clamp assembly |
| 03/26/1991 | US5002291 Hydraulically operated chuck closing mechanism |
| 03/21/1991 | WO1991003346A1 Device for removably securing a tool to a machine spindle |
| 03/20/1991 | EP0446198A4 Quick-change mechanism with eccentric lock. |
| 03/20/1991 | EP0418041A2 Tool unit, in particular for finishing operations of cutting machining |
| 03/20/1991 | EP0417613A1 Device for coupling two parts of machine tools |
| 03/20/1991 | EP0417529A2 Chuck |
| 03/19/1991 | US5000631 Working tool holder for a drilling or chiseling device |
| 03/19/1991 | US5000465 Work-holding apparatus |
| 03/19/1991 | CA1281538C Keyless chuck and method therefor |
| 03/14/1991 | DE4024644A1 Detachable fixing of tool to spindle - involves specially shaped bolts fitting in slots in tool spigot |
| 03/13/1991 | EP0415964A1 Keyless chuck |
| 03/12/1991 | US4999018 Drill chuck key bearing |
| 03/12/1991 | US4999002 High speed chuck apparatus |
| 03/12/1991 | CA2024835A1 Device for the connection of two tool portions of machine tools |
| 03/09/1991 | WO1991003347A1 Device for connecting two tool sections |
| 03/06/1991 | EP0415138A2 Spindle arrangement for a lathe |
| 03/06/1991 | EP0415040A2 Chuck |
| 03/05/1991 | US4997325 Chuck for axially clamping two machine parts which are releasable from each other |
| 03/05/1991 | US4996908 Through hole rotating cylinder |
| 03/05/1991 | US4996758 Method and apparatus for spur and helical gear manufacture |
| 02/26/1991 | US4995768 Rapid change drill holder assembly |
| 02/26/1991 | US4995625 Mechanism for preventing inadvertent chuck release |
| 02/21/1991 | WO1991001836A1 Cutter of compound machine tool and anti-dust device therefor |
| 02/20/1991 | EP0413046A1 Self-clamping drill chuck |
| 02/20/1991 | CN2071559U Universal adjustable eccentric holder |
| 02/20/1991 | CN2071551U Quick-mounting individually-acting chuck |
| 02/19/1991 | CA1280277C Machine tool |
| 02/14/1991 | DE3926480A1 Tool turret with automatic tool changing mechanism - has plunger-actuated sliding wedge in cross-bore of spindle to move draw-bar and release tool |
| 02/13/1991 | EP0412157A1 Device for clamping a wire rod |
| 02/12/1991 | US4991860 Drill chuck |
| 02/12/1991 | US4991859 Self-tightening drill chuck |
| 02/07/1991 | DE3925426A1 Spindle nose clamping system for milling cutter - has toothed clamping plate actuated by drawbar to lock behind toothed bore of cutter |
| 02/07/1991 | DE3924696A1 Self-aligning reamer tool - has transverse cut behind cutter head to allow tilting in response to misalignment with hole |
| 02/05/1991 | US4990038 Rotationally and axially restrained drill bit and chuck assembly |
| 02/05/1991 | US4989887 Methods and apparatus for adjusting the center of a collet |
| 01/30/1991 | EP0410115A2 Chucking device |
| 01/24/1991 | WO1991000790A1 Pipe end preparation tool having improved torque reacting and clamping capabilities |
| 01/22/1991 | US4986704 Tool mounting apparatus |
| 01/16/1991 | CN1011208B Tool joint, its elements and method for mounting it |
| 01/15/1991 | US4984942 Tap wrench |
| 01/09/1991 | CN1048343A Multipurpose block-pushed adjustable gripper |
| 01/08/1991 | US4982970 Claw unit with paired separably connected claw elements |
| 01/08/1991 | US4982627 Identification system |
| 01/01/1991 | US4981057 Clamping device for connecting a tool head to a tool holder of a machine tool |
| 12/27/1990 | EP0403732A2 Self-clamping drill chuck |
| 12/27/1990 | EP0403693A2 Device for obtaining a moment for a movement converting system, specially for adjusting jaws of a chuck or their clamping force |
| 12/25/1990 | US4979853 Cutting tool holder for high speed spindle machining system |
| 12/25/1990 | US4979845 Device for connection of two machine parts, in particular two tool portions of machine tools |
| 12/20/1990 | DE4016527A1 Four-jaw chuck with clamping force equalisation - has differential gear system to connect jaws and equalise clamping force |
| 12/18/1990 | US4978262 Tool coupling between a toolholder and a machine spindle |
| 12/11/1990 | US4976575 Tool holding system for automatic tool changing |
| 12/11/1990 | US4976574 Device for connecting two tool parts |
| 12/11/1990 | CA1277490C Safety toolholder for machine tool |
| 12/06/1990 | DE4015514A1 Torque drive element for cutting tools - has torque drive through matching circular arc rosette sections on tool shank and in spindle nose |
| 12/05/1990 | EP0400533A1 A self-centring chuck with balanced jaws |
| 11/29/1990 | DE4015261A1 Electromechanical actuating mechanism for lathe chuck - has two=stage actuation of chuck derived from main spindle drive and one additional motor |
| 11/27/1990 | US4973823 In a tube clamping device |
| 11/22/1990 | DE3916315A1 Tool shank for milling cutters - has regular curvilinear polygonal collar positively engaging with matching bore in spindle nose |
| 11/20/1990 | US4971491 Tool holder system and method of use |
| 11/20/1990 | US4971486 Undercutting drill |
| 11/20/1990 | US4971340 Collet |
| 11/20/1990 | US4971339 Chuck for holding a workpiece |
| 11/14/1990 | EP0397049A2 Method and apparatus for angulary indexing a crankshaft |
| 11/13/1990 | US4969654 Clamping chuck for a machine tool |
| 11/07/1990 | EP0395791A2 Self-blocking drill chuck |
| 11/07/1990 | CN1010288B Jaw assembly for lathe chuck |
| 11/06/1990 | US4968191 Chuck mount |
| 10/31/1990 | EP0394915A1 Workpiece holding device |
| 10/31/1990 | EP0394694A1 Hydraulic fixing device |
| 10/31/1990 | DE3913626A1 Chuck for rotating cutting tools with parallel shanks - has driving collar on cutting tool to relieve locating collet of cutting force |
| 10/30/1990 | US4966375 Lathe chuck for offecenter workpiece rotation |
| 10/25/1990 | DE4005938A1 Mechanical coupler connecting carrier to machine spindle - uses eccentrically mounted clamping element and set screw |
| 10/24/1990 | EP0393321A2 Device for driving a piece clamped between pins |
| 10/24/1990 | EP0393134A1 Protective cap for a tool holder. |
| 10/23/1990 | US4964839 Drive shaft with a coupling arrangement |