| Patents for B23B 31 - Chucks; Expansion mandrels; Adaptations thereof for remote control (16,028) |
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| 01/09/1992 | DE4021177A1 Teststueckmanipulator und zugehoeriges zylindrisches teststueck mit normfehlern zur einstellung von ultraschall-pruefanlagen Teststueckmanipulator and associated cylindrical teststueck with standard errors for the setting of Ultrasonic Testing |
| 01/09/1992 | DE4019671A1 Tool holder for use with machine tool - has coupling which permits degree of radial play |
| 01/08/1992 | EP0465409A1 Quick coupling device for a rotating tool |
| 01/08/1992 | EP0464335A2 Quick-change toolholder with length correcting device and axial duct for refrigeration fluid |
| 01/08/1992 | CN2092388U Adjustable omnibearing coordinate clamping disc |
| 01/08/1992 | CN1057606A Method and apparatus for adjusting center of collet |
| 01/07/1992 | US5078558 Low mass spindle and Z-axis unit |
| 01/07/1992 | US5077876 Spindle assembly for a single or a multiple spindle machine |
| 01/02/1992 | EP0463433A1 Adjustable guide bushing for Swiss-type automatic lathe |
| 01/02/1992 | EP0463347A1 Machine for cutting-off tubes and at the same time chamfering the formed tube ends |
| 01/02/1992 | DE4019691A1 Chuck for machine tool - has spiral grooves in actuating ring which is mounted on roller bearing |
| 12/31/1991 | US5076740 Toolholders for machine tools |
| 12/31/1991 | US5076596 Top jaw and wedge connector |
| 12/31/1991 | US5076371 Tool for use in a hand power device |
| 12/29/1991 | CA2029754A1 Spindle adapter for tool holder with tool adjustment control |
| 12/27/1991 | EP0462533A2 Pallet storage device and pallet exchange device for machine tool, and lathe with pallet automatically removable |
| 12/27/1991 | EP0462318A1 Armature gripping machine |
| 12/24/1991 | US5074723 Method and apparatus for balancing a rotary tool assembly |
| 12/24/1991 | US5074177 Machine tool with automatic workpiece clamping device |
| 12/24/1991 | US5074176 Threading machine chuck |
| 12/24/1991 | US5074025 Threaded shank drill assembly |
| 12/19/1991 | DE4018941A1 Drill chuck with jig - has jig drillings in front part to enable determination of workpiece dia. |
| 12/18/1991 | EP0461806A1 Keyless chuck |
| 12/18/1991 | EP0461733A2 High speed precision drilling system |
| 12/18/1991 | EP0461339A2 Methods and apparatus for adjusting the center of a collet |
| 12/17/1991 | US5072954 Drill chuck with position indicator |
| 12/16/1991 | CA2034903A1 Method and apparatus for adjusting the center of a collet |
| 12/12/1991 | WO1991018699A1 Hydraulic tool holder |
| 12/10/1991 | US5071145 Master jaw assembly |
| 12/10/1991 | US5070592 Spindle unit of a machine tool in which tools changing is available |
| 12/05/1991 | DE4017406A1 Clamping circular saw blade to driving shaft - involves ring with radially mounted rollers which engage helical grooves |
| 12/03/1991 | US5069585 Drill chuck key bearings |
| 12/03/1991 | US5069096 Advanced spider fixture |
| 11/28/1991 | WO1991017853A1 Expansion chuck |
| 11/27/1991 | EP0458170A2 Chuck |
| 11/27/1991 | EP0423237A4 Quick disconnect coupling for use with boom mounts and/or tooling mounts |
| 11/26/1991 | US5067861 Tool holder with interchangeable fluid pressure actuated chucks |
| 11/26/1991 | US5067735 Clamping device for locking the workpiece-carrying collet in automatic machine tools |
| 11/21/1991 | DE4112381A1 Adaptor for thread tapping tool - has cross=section with polygonal external contour and square internal contour |
| 11/21/1991 | DE4025773C1 Clamping irregular shaped workpieces - involves plates made of hard flexible material |
| 11/19/1991 | US5065792 Coupling mechanisms for rotary fluid cylinders |
| 11/14/1991 | DE4015149A1 Dehnspannfutter Expansion toolholders |
| 11/14/1991 | DE4014616A1 Vice to hold irregular articles for milling - has separate independent radial hydraulically operated jaws |
| 11/13/1991 | EP0456003A1 Hand-held-drilling machine |
| 11/12/1991 | US5064322 Joint for modular toolholder device of a tool machine for the working of metals and other |
| 11/07/1991 | DE4031466C1 Rotating chuck with power-operated clamping jaws - has measuring pick=up for clamping force coupled to signal generator supplying receiver for evaluator |
| 11/07/1991 | DE4014381A1 Adaptor fitting range of tools to machine tool - is designed so that overall length of tool and its adaptor is constant |
| 11/05/1991 | US5062749 Tool coupler |
| 11/05/1991 | CA1291649C Tool coupling |
| 10/31/1991 | DE4120600A1 Chuck for machining solid or hollow workpieces - has pivoted levers which can be swung inwards or outwards |
| 10/31/1991 | DE4012980A1 Hydraulic clamping nut for rotating tool - has interconnected cylinders for clamping pistons |
| 10/29/1991 | US5061129 Clamping arrangement for a cutting tool |
| 10/29/1991 | US5060958 Power drive and transmission unit for self centering clamps and chucks |
| 10/29/1991 | US5060957 Power-operated chuck |
| 10/29/1991 | CA1291330C Threading machine chuck |
| 10/24/1991 | DE4012766A1 Rotary chuck - has clamping mechanism thrust axially by radial screw against sleeve rear end |
| 10/24/1991 | DE4012468A1 Clamping device for delicate workpieces - includes table on which are arranged rails in form of star around central point |
| 10/24/1991 | DE4012220A1 Machine-tool spring chuck - has ram-operated bolt locking and releasing enclosing toggle linkages |
| 10/22/1991 | US5058467 Quick change collet stop |
| 10/22/1991 | CA1290929C Self-gradually locking chuck |
| 10/17/1991 | WO1991015322A1 Tool holder with radial tool change mechanism |
| 10/17/1991 | WO1991015321A1 Method and apparatus for a lineal machine tool |
| 10/17/1991 | DE4025752C1 Chuck for machine tool - has short threaded cylindrical block to fit into recess at back of jaw |
| 10/16/1991 | EP0451360A2 Clamping device for fixing a tool in a tool holder |
| 10/16/1991 | CN2086642U Self-fastening drilling attachment |
| 10/15/1991 | US5056390 Workpiece holding devices |
| 10/10/1991 | DE4010597A1 Rotary tool with chip grooves - has spiral groove in shank of same pitch as chip grooves |
| 10/08/1991 | US5054974 Tool holding device |
| 10/08/1991 | US5054973 Tool bit with axially extending grooves in insertion end |
| 10/08/1991 | US5054796 Self-tightening hammer-drill chuck |
| 10/08/1991 | US5054344 Quick change clamping mechanism |
| 10/03/1991 | WO1991014528A1 Toolholder assembly with angular adjustment mechanism |
| 10/02/1991 | EP0325577B1 Rotary cutter heads |
| 10/02/1991 | DE4025765C1 Chuck body for lathe - has base jaw and adjustable clamping jaw with common drive |
| 10/02/1991 | CN1014125B Clamping head |
| 10/01/1991 | US5052866 Actuating arrangement for a clamping device in a machine tool spindle |
| 10/01/1991 | US5052700 Compensating and/or centralizing grip chuck |
| 10/01/1991 | US5052254 Lathe jaw securing device |
| 10/01/1991 | CA1289740C Conical stem mounting device, particularly a 7/24 cone, with cone and face applications for attachments, tool holders and tools |
| 09/26/1991 | DE4107106A1 Drill bit for drilling out welding points esp. on vehicle bodies - has specified length to reach previously inaccessible locations, and driving recess to mount bit in milling machine |
| 09/25/1991 | EP0447682A1 Clamping chuck with a wedge-shaped actuating member for fixing cylindrical workpieces |
| 09/25/1991 | EP0334900B1 Undercutting drill |
| 09/25/1991 | CN1054733A Chuck jaw |
| 09/24/1991 | US5050896 Collet stop apparatus |
| 09/22/1991 | CA2038591A1 Toolholder assembly with angular adjustment mechanism |
| 09/19/1991 | WO1991013716A1 Centrifugal spindle |
| 09/18/1991 | EP0446579A2 Chuck jaw |
| 09/18/1991 | EP0446198A1 Quick-change mechanism with eccentric lock. |
| 09/18/1991 | CN1014003B Mechanical servo unit |
| 09/17/1991 | US5049013 Mixer apparatus |
| 09/17/1991 | US5048384 Centering device |
| 09/17/1991 | US5048375 Method for constructing a rotating cutting tool |
| 09/17/1991 | CA1288936C Nipple chuck |
| 09/13/1991 | CA2034900A1 Chuck jaw |
| 09/12/1991 | DE4007182A1 Quick-action internal clamping mandrel - has end clamping cone and sliding bush with further cone |
| 09/12/1991 | DE4007072A1 Automatic tool-changing mechanism - has chuck turned by pin active against ramp to align dogs with tool |
| 09/11/1991 | EP0445615A1 Quick-change chuck with a cooling lubricant seal |
| 09/05/1991 | WO1991012914A1 Hand tool with drill chuck |
| 09/05/1991 | WO1991008072A3 Clamping system for connecting parts so as to prevent their rotation or cyclic motion |
| 09/04/1991 | EP0444380A1 Threading machine chuck |