| Patents for B23B 31 - Chucks; Expansion mandrels; Adaptations thereof for remote control (16,028) |
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| 09/04/1991 | CN1054207A 多功能四爪卡盘 Versatile four-jaw chuck |
| 09/03/1991 | US5044643 Tool chuck |
| 09/03/1991 | CA1288231C Clamping apparatus for holding a toolholder shank |
| 09/03/1991 | CA1288230C Toolholder assembly |
| 09/03/1991 | CA1288229C Toolholder |
| 09/03/1991 | CA1288228C Apparatus for holding a toolholder shank |
| 09/03/1991 | CA1288227C Toolholder and method of releasably mounting |
| 09/03/1991 | CA1288226C Lock rod and apparatus for holding a toolholder |
| 08/29/1991 | DE4005757A1 Hand-tool machine with drill chuck - incorporates locking device preventing loosening of chuck jaws during operation |
| 08/28/1991 | EP0443362A2 Cutter disc arbor particularly for dividing machines |
| 08/28/1991 | EP0443102A1 Mandrel with spindle/adaptor for tools |
| 08/28/1991 | CN2083522U 多功能四爪卡盘 Versatile four-jaw chuck |
| 08/27/1991 | US5042826 Stiff, resilient material |
| 08/27/1991 | US5042126 Drive apparatus for multi-spindle processing machines |
| 08/21/1991 | EP0442456A1 Expansion mandrel |
| 08/21/1991 | CN2083085U Ultra-high-precision three-jaw chuck |
| 08/20/1991 | US5040932 Locator mechanism for a tool holder assembly |
| 08/20/1991 | US5040931 Coupling mechanism |
| 08/20/1991 | US5040806 Chucking device |
| 08/20/1991 | CA1287751C Quick change spindle adapter for tool holder |
| 08/14/1991 | DE4003795A1 Clamping of taper shank tool in tool holder - is achieved by locking balls held in place by locking ring |
| 08/14/1991 | CN2082650U Rapid four-jaw independent chuck |
| 08/13/1991 | US5039261 Spindle device for use in machine tool |
| 08/13/1991 | CA1287484C Clamping means for machine tool holders |
| 08/08/1991 | WO1991011282A1 Shank for a tool |
| 08/08/1991 | WO1991011281A1 Quick change clamping mechanism |
| 08/08/1991 | DE4003208A1 Detachable tool holder coupling - has trapezium section groove engaged by mating protrusion on adjustable block |
| 08/06/1991 | US5037254 Tool clamping device |
| 08/06/1991 | US5037251 Thread tap |
| 08/06/1991 | US5036735 Bar-clamping device |
| 07/31/1991 | EP0438952A1 Conical shaft mounting device for tools and tool-holders, particularly with 7/24th conus and fitting for conus and end face |
| 07/31/1991 | EP0357648B1 Torque-transmitting device for hand-held power tools |
| 07/30/1991 | US5035557 Chuck for axially clamping a tool to a machine tool spindle |
| 07/30/1991 | US5035551 Method, chuck and rotary tool to be used when making a hole in a workpiece |
| 07/27/1991 | CA2032832A1 Cutting tool holder for high speed spindle machining system |
| 07/24/1991 | EP0437638A1 Driving element for centering and clamping devices |
| 07/24/1991 | CN1053206A Non-impact keyless chuck |
| 07/23/1991 | US5033923 Rotary tool |
| 07/23/1991 | US5033922 Apparatus for driving spindles of machine tools |
| 07/23/1991 | US5033920 Drill chuck lock apparatus |
| 07/23/1991 | US5033303 Tire unbalance audit apparatus |
| 07/23/1991 | US5033183 Chuck jaw changer for a machine tool |
| 07/18/1991 | DE4032071A1 Setting force generator for lathe chuck jaws - uses hollow drive spindle contg. axially adjustable setting rod to move jaws |
| 07/18/1991 | DE4032070A1 Setting force generator for jaws lathe chuck - uses setting rod inside hollow drive spindle to operate jaws and two setting wheels |
| 07/18/1991 | DE4029047C1 Method of machining angled rings - has tubular blank clamped in holder with axis at set face angle |
| 07/17/1991 | EP0437391A1 Perfectioned milling unit, especially for the milling of teeth |
| 07/17/1991 | EP0437322A2 Spindle unit for a machine tool |
| 07/17/1991 | EP0436769A1 Device for generating a clamping force in a clamping device |
| 07/17/1991 | EP0436768A1 Device for generating a clamping force in a clamping device |
| 07/16/1991 | US5032043 Spindle adapter for tool holder with tool adjustment control |
| 07/16/1991 | US5031925 Keyless chuck for rotary tool |
| 07/11/1991 | DE4019255C1 Machine tool work chuck - has three radially adjustable jaws with internal axial clamp joined to baseplate |
| 07/10/1991 | EP0436108A1 Non-impact keyless chuck |
| 07/09/1991 | US5030048 Expandable tool holding device using a fusible alloy |
| 07/09/1991 | US5030047 Mounting device for conical shank |
| 07/09/1991 | US5030044 Collet key stabilizer apparatus |
| 07/09/1991 | US5029881 Jaw teeth with elastomeric connector |
| 07/04/1991 | DE4012837C1 Chuck for small tools - incorporates collet to grip tool shank |
| 07/02/1991 | US5028178 Spring collets |
| 07/02/1991 | US5028057 Tool shaft for a tool of the percussive and rotative type |
| 06/29/1991 | CA2031162A1 Chuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatus |
| 06/29/1991 | CA2006950A1 Vacuum chuck |
| 06/27/1991 | DE3942123A1 Vice operated by cylinder and piston - has two pistons each with one angled side in contact with each other forming brake |
| 06/26/1991 | EP0434023A2 Collet chuck for thread cutting with internal coolant feeder |
| 06/26/1991 | EP0433925A2 Hydraulic clamping device |
| 06/25/1991 | US5026224 Tool assembly |
| 06/25/1991 | US5026223 Bayonet tool locking device |
| 06/25/1991 | US5026222 Pin for use in a workpiece clamping apparatus |
| 06/25/1991 | US5025689 Method and apparatus for machining axially symmetrical parts |
| 06/19/1991 | EP0433187A1 Tool chuck for equipment of a rotating machine like a drilling machine |
| 06/19/1991 | EP0432169A1 A device on manual machine tools for torque transmission. |
| 06/19/1991 | CN1052278A Working method for rubber round washer and equipment thereof |
| 06/19/1991 | CN1012886B Apparatus for detachably connecting tool to manipulating device |
| 06/13/1991 | WO1991008075A1 Radial locator mechanism for a tool holder assembly |
| 06/13/1991 | WO1991008072A2 Clamping system for connecting parts so as to prevent their rotation or cyclic motion |
| 06/12/1991 | EP0431274A2 Drilling chuck |
| 06/11/1991 | US5022665 Workpiece support tool |
| 06/11/1991 | US5022278 Draw bar mechanism |
| 06/06/1991 | DE3939423A1 Tool producing smooth or threaded bores from solid - has separate thread cutting ring fitting on shank of core hole producing end-mill |
| 06/05/1991 | EP0430572A2 Coupling |
| 06/05/1991 | EP0429749A1 Blocking for collets |
| 06/05/1991 | CN1012716B Compound chuck |
| 06/04/1991 | US5020946 Tool chuck coolant system |
| 05/30/1991 | WO1991007595A1 Cylinder with safety device for blocking piston in the event of supply failure |
| 05/30/1991 | WO1991007245A1 Process and device for monitoring the workpiece-gripping force in machine tools |
| 05/28/1991 | US5018916 Actuating arrangement for a tool or workpiece clamping device in a machine tool spindle |
| 05/28/1991 | US5018266 Novel means for mounting a tool to a robot arm |
| 05/23/1991 | DE4031986C1 Machine tool esp. milling cutter fixture - includes serrated collet, with coil spring fixing to prevent loosening under vibration |
| 05/23/1991 | DE4031775A1 Rotating actuating cylinder for machine tool spindle chuck - has piston rod axial motion transferred to switching bar which can be changed to re-program chuck |
| 05/23/1991 | DE3938689A1 Collet chuck for machine tool spindle - has collet seated in sliding cup that can be forced forward to clamp tool without torsion |
| 05/22/1991 | EP0428058A2 Chuck |
| 05/16/1991 | DE3937466A1 Verfahren und vorrichtung zur ueberwachung der spannkraft bei werkzeugmaschinen Method and apparatus for monitoring the tension in machine tools |
| 05/15/1991 | EP0427661A2 Tool identification |
| 05/15/1991 | EP0426899A1 Improvements in drills |
| 05/14/1991 | US5015003 Top jaw assembly with replaceable work holding pads |
| 05/08/1991 | EP0425774A2 Control device for a tool or workpiece damper in a machine-tool spindle |
| 05/08/1991 | EP0425773A2 Actuator for the tool or workpiece clamping device of a machine tool spindle |
| 05/07/1991 | US5013054 Bush mounting for a floating chuck |
| 05/07/1991 | US5012712 Tool holder for punching tools |
| 05/02/1991 | EP0425062A1 Air operated chuck |