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