| Patents for B23B 31 - Chucks; Expansion mandrels; Adaptations thereof for remote control (16,028) |
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| 01/11/1994 | US5277090 Disc cutting apparatus |
| 01/06/1994 | WO1994000276A1 Adjustable gripping device |
| 01/05/1994 | EP0409973B1 Coupling for releasably fastening components parts to corresponding support parts |
| 01/05/1994 | DE4232234C1 Pressure control and monitoring system for hydraulic machine chuck mounted on machine tool - has motorised regulator valve for double-acting cylinder and inbuilt test mode for checking pressure sensor calibration |
| 01/05/1994 | DE4220873A1 Releasable coupler for two machine parts, one with cylindrical or conical hollow shaft - has clamping bodies forming part of wedge drive after sync. inwards motion to act with puller bolt |
| 01/05/1994 | CN2151838Y Mandrel for internal spline part |
| 01/05/1994 | CN1080223A Keyless chuck |
| 01/04/1994 | US5275516 Structures of clamp head of numerically controlled cutting tool |
| 01/04/1994 | US5275072 Center drive support for supporting a crank shaft during machining |
| 12/29/1993 | EP0344156B1 Apparatus for holding a toolholder shank |
| 12/28/1993 | US5273615 Apparatus and method for handling fragile semiconductor wafers |
| 12/28/1993 | US5273295 Machine tool |
| 12/23/1993 | WO1993025338A1 Endmill adapter with integral collet |
| 12/23/1993 | DE4320019A1 Machine tool with automatic tool changer and tool holder - has tool chuck on tool holder and tool transfer mechanism to preset tool change position |
| 12/22/1993 | EP0575018A1 Clamping system for machine-tools |
| 12/22/1993 | CN2149996Y Milling cutter chuck for boring machine |
| 12/21/1993 | US5271697 Tap and quick change tap holder assembly |
| 12/16/1993 | DE4236270A1 Valve arrangement for control of pressure in a hydraulic fluid power system - has valve with motor driven setting stage providing operative point for fluid supplied to hydraulic actuator |
| 12/16/1993 | DE4219204A1 Hydraulically operated tension ring with support ring and pistons - has cylinder chambers formed in cylinder sleeves made as inserts for recessed bores of support ring to produce independent structural groups |
| 12/16/1993 | DE4217657A1 Interface between tool holder and clamping shaft |
| 12/15/1993 | EP0573766A1 Combination clamping chuck for a shaft furnace taphole piercing machine |
| 12/14/1993 | US5269543 Mechanism for closing a collet |
| 12/14/1993 | US5269542 Chuck jaws |
| 12/11/1993 | CA2095464A1 Universal chuck for a machine for piercing a tap hole of a shaft furnace |
| 12/09/1993 | DE4218237A1 Tool holder or machine chuck - has passages for coolant fluid and contains central tube supported by springs |
| 12/08/1993 | EP0559749A4 Improved chuck for power tools |
| 12/08/1993 | CN2148621Y Lathe chuck |
| 12/07/1993 | US5267741 Drive for a drill chuck equipped with a torque coupling |
| 12/01/1993 | EP0571634A1 Holding structure of tool holder |
| 11/30/1993 | US5265990 Short toolholder system |
| 11/30/1993 | US5265987 Center drilling machine for rod stock |
| 11/25/1993 | DE4215606C1 Tool-clamping system in shrunk-on chuck - uses gas-flame aimed join between shrunk-on and fixing sections of rotating chuck with surface designed to improve heat-transfer |
| 11/24/1993 | EP0570918A2 Keyless chuck |
| 11/24/1993 | CN2147058Y Simple holding device for hexagonal drill of electrodrill |
| 11/23/1993 | US5263995 Apparatus and method for balancing a rotary tool assembly |
| 11/23/1993 | US5263918 Machine tool |
| 11/23/1993 | US5263799 Threading apparatus |
| 11/23/1993 | US5263351 Locking wedge assembly for two-piece mechanically connected mandrels |
| 11/19/1993 | CA2093869A1 Keyless chuck |
| 11/16/1993 | US5261758 Split spline screw |
| 11/16/1993 | US5261679 Keyless type tool chuck |
| 11/16/1993 | US5261302 Quick-change tool holder with adjustment mechanism for repeatable center-height adjustment |
| 11/11/1993 | WO1993022091A1 Clamping chuck |
| 11/11/1993 | DE4215140A1 Suction gripping worktable for milling machine - has multiple suction gripping elements arranged in plane of worktable |
| 11/11/1993 | DE4214838A1 Spannfutter Chuck |
| 11/10/1993 | EP0547049B1 Device for connecting two tool sections |
| 11/09/1993 | US5260541 Crop shear apparatus and crop shear equipment |
| 11/09/1993 | US5259630 Device for clamping workpiece |
| 11/09/1993 | CA1323980C Retention knob for a tool holder and cutting tools employing the same |
| 11/04/1993 | DE4215607C1 Tool clamp in chuck of machine tool with shrink section - which is designed to retain tool and has allocated heater |
| 11/03/1993 | EP0568058A2 Device for amelioration of a pillar drilling machine |
| 11/03/1993 | EP0490913B1 Device for removably securing a tool to a machine spindle |
| 11/02/1993 | US5257884 Device for removably securing a tool to a machine spindle |
| 11/02/1993 | US5257883 Operating head for automatic machine tools |
| 11/02/1993 | US5257557 Driven tool locking mechanism |
| 10/29/1993 | WO1993022093A1 Adiabatic dry diamond milling system |
| 10/29/1993 | CA2208208A1 Adiabatic dry diamond milling system |
| 10/27/1993 | EP0566898A2 Chuck for machine tools |
| 10/27/1993 | EP0566841A2 Drill chuck |
| 10/27/1993 | EP0483267B1 Hydraulic tool holder |
| 10/26/1993 | US5255928 Adjustable fastening device |
| 10/26/1993 | US5255582 Tool holder having integral wedge clamping mechanism |
| 10/20/1993 | EP0548169A4 A fastener |
| 10/20/1993 | EP0432169B1 A device on manual machine tools for torque transmission |
| 10/20/1993 | EP0363456B1 Tool, in particular a boring tool or the like |
| 10/19/1993 | US5254068 Automatic setup apparatus |
| 10/19/1993 | US5253961 Coupling for drilling machine with dust extractor |
| 10/19/1993 | US5253880 Clamping device for holding a workpiece in a lathe |
| 10/19/1993 | US5253879 Non-impact keyless chuck |
| 10/14/1993 | WO1993019886A1 Balanced force workpiece location means |
| 10/13/1993 | EP0565491A1 Coupling device, specially for coupling a toolholder to a driving spindle |
| 10/13/1993 | EP0311622B1 A tool holder and a tool therefor |
| 10/12/1993 | US5252012 Clamping |
| 10/12/1993 | US5251912 Radially energized seal |
| 10/12/1993 | US5251510 Ring gear fixture and machining process therefor |
| 10/07/1993 | DE4211372A1 High precision chuck for tool or workpiece - has axial clamping force of compression spring relieved to release work by finely adjustable screw jack with nut driven by externally rotatable worm |
| 10/07/1993 | DE4210760A1 Workpiece end stop for jaw type chuck - has spigot section fitting in chuck bore and radial arms that fit between jaws and distance workpiece from chuck face |
| 10/06/1993 | EP0563979A1 Coupling |
| 10/06/1993 | EP0563727A1 Device for torque transmission |
| 10/06/1993 | EP0563542A1 Device for detachable connection of parts |
| 10/05/1993 | US5249895 Tool holding fixture |
| 10/01/1993 | CA2092584A1 Torque transmitting device |
| 09/30/1993 | WO1993018880A1 Hydraulic bushing or tool holder with expandable inner and outer sleeves |
| 09/29/1993 | EP0563005A1 Driven tool lock mechanism |
| 09/27/1993 | CA2089688A1 Driven tool lock mechanism |
| 09/22/1993 | EP0561395A1 Chuck |
| 09/22/1993 | EP0561247A1 Drill chuck for hand tool machines |
| 09/21/1993 | US5245896 Quick-change tool holder with center height adjustment mechanism |
| 09/16/1993 | DE4207055A1 Chuck with switchable centrifugal force compensation - has distance piece in form of U-slotted disc that is turned through 180 deg. to disengage end of compensating force transfer lever from chuck jaw |
| 09/15/1993 | EP0559749A1 Improved chuck for power tools |
| 09/15/1993 | EP0445117B1 Collet lock for power tool |
| 09/14/1993 | US5244322 Clamping device for individual tools |
| 09/14/1993 | US5244192 Interior centerline based seating apparatus |
| 09/14/1993 | US5243884 Tool holder device having screw-operated means for connection and disconnection of two engageable members for attachment and removal of cutting tool |
| 09/09/1993 | DE4207087A1 Safety lock for drill chuck - is pivoted in jaw guide sleeve and is forced by spring into engagement with teeth on chuck spindle body where cutting torque tends to reinforce locking action |
| 09/09/1993 | DE4143428A1 Power operated chuck for machine tool - has compact hooked wedge type coupling to translate axial movement of actuating piston into radial clamping movement of jaws |
| 09/08/1993 | EP0559424A1 Tool clamping/unclamping device |
| 09/07/1993 | US5242360 Spindle and toolholder for machine tool |
| 09/07/1993 | CA1321873C Tool assembly, tool components and method of assemblying said components |
| 08/24/1993 | US5238341 Connection system for connecting an interchangeable tool head to a tool spindle |