Patents
Patents for B23B 31 - Chucks; Expansion mandrels; Adaptations thereof for remote control (16,028)
01/1994
01/11/1994US5277090 Disc cutting apparatus
01/06/1994WO1994000276A1 Adjustable gripping device
01/05/1994EP0409973B1 Coupling for releasably fastening components parts to corresponding support parts
01/05/1994DE4232234C1 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
01/05/1994DE4220873A1 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
01/05/1994CN2151838Y Mandrel for internal spline part
01/05/1994CN1080223A Keyless chuck
01/04/1994US5275516 Structures of clamp head of numerically controlled cutting tool
01/04/1994US5275072 Center drive support for supporting a crank shaft during machining
12/1993
12/29/1993EP0344156B1 Apparatus for holding a toolholder shank
12/28/1993US5273615 Apparatus and method for handling fragile semiconductor wafers
12/28/1993US5273295 Machine tool
12/23/1993WO1993025338A1 Endmill adapter with integral collet
12/23/1993DE4320019A1 Machine tool with automatic tool changer and tool holder - has tool chuck on tool holder and tool transfer mechanism to preset tool change position
12/22/1993EP0575018A1 Clamping system for machine-tools
12/22/1993CN2149996Y Milling cutter chuck for boring machine
12/21/1993US5271697 Tap and quick change tap holder assembly
12/16/1993DE4236270A1 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
12/16/1993DE4219204A1 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
12/16/1993DE4217657A1 Interface between tool holder and clamping shaft
12/15/1993EP0573766A1 Combination clamping chuck for a shaft furnace taphole piercing machine
12/14/1993US5269543 Mechanism for closing a collet
12/14/1993US5269542 Chuck jaws
12/11/1993CA2095464A1 Universal chuck for a machine for piercing a tap hole of a shaft furnace
12/09/1993DE4218237A1 Tool holder or machine chuck - has passages for coolant fluid and contains central tube supported by springs
12/08/1993EP0559749A4 Improved chuck for power tools
12/08/1993CN2148621Y Lathe chuck
12/07/1993US5267741 Drive for a drill chuck equipped with a torque coupling
12/01/1993EP0571634A1 Holding structure of tool holder
11/1993
11/30/1993US5265990 Short toolholder system
11/30/1993US5265987 Center drilling machine for rod stock
11/25/1993DE4215606C1 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
11/24/1993EP0570918A2 Keyless chuck
11/24/1993CN2147058Y Simple holding device for hexagonal drill of electrodrill
11/23/1993US5263995 Apparatus and method for balancing a rotary tool assembly
11/23/1993US5263918 Machine tool
11/23/1993US5263799 Threading apparatus
11/23/1993US5263351 Locking wedge assembly for two-piece mechanically connected mandrels
11/19/1993CA2093869A1 Keyless chuck
11/16/1993US5261758 Split spline screw
11/16/1993US5261679 Keyless type tool chuck
11/16/1993US5261302 Quick-change tool holder with adjustment mechanism for repeatable center-height adjustment
11/11/1993WO1993022091A1 Clamping chuck
11/11/1993DE4215140A1 Suction gripping worktable for milling machine - has multiple suction gripping elements arranged in plane of worktable
11/11/1993DE4214838A1 Spannfutter Chuck
11/10/1993EP0547049B1 Device for connecting two tool sections
11/09/1993US5260541 Crop shear apparatus and crop shear equipment
11/09/1993US5259630 Device for clamping workpiece
11/09/1993CA1323980C Retention knob for a tool holder and cutting tools employing the same
11/04/1993DE4215607C1 Tool clamp in chuck of machine tool with shrink section - which is designed to retain tool and has allocated heater
11/03/1993EP0568058A2 Device for amelioration of a pillar drilling machine
11/03/1993EP0490913B1 Device for removably securing a tool to a machine spindle
11/02/1993US5257884 Device for removably securing a tool to a machine spindle
11/02/1993US5257883 Operating head for automatic machine tools
11/02/1993US5257557 Driven tool locking mechanism
10/1993
10/29/1993WO1993022093A1 Adiabatic dry diamond milling system
10/29/1993CA2208208A1 Adiabatic dry diamond milling system
10/27/1993EP0566898A2 Chuck for machine tools
10/27/1993EP0566841A2 Drill chuck
10/27/1993EP0483267B1 Hydraulic tool holder
10/26/1993US5255928 Adjustable fastening device
10/26/1993US5255582 Tool holder having integral wedge clamping mechanism
10/20/1993EP0548169A4 A fastener
10/20/1993EP0432169B1 A device on manual machine tools for torque transmission
10/20/1993EP0363456B1 Tool, in particular a boring tool or the like
10/19/1993US5254068 Automatic setup apparatus
10/19/1993US5253961 Coupling for drilling machine with dust extractor
10/19/1993US5253880 Clamping device for holding a workpiece in a lathe
10/19/1993US5253879 Non-impact keyless chuck
10/14/1993WO1993019886A1 Balanced force workpiece location means
10/13/1993EP0565491A1 Coupling device, specially for coupling a toolholder to a driving spindle
10/13/1993EP0311622B1 A tool holder and a tool therefor
10/12/1993US5252012 Clamping
10/12/1993US5251912 Radially energized seal
10/12/1993US5251510 Ring gear fixture and machining process therefor
10/07/1993DE4211372A1 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
10/07/1993DE4210760A1 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
10/06/1993EP0563979A1 Coupling
10/06/1993EP0563727A1 Device for torque transmission
10/06/1993EP0563542A1 Device for detachable connection of parts
10/05/1993US5249895 Tool holding fixture
10/01/1993CA2092584A1 Torque transmitting device
09/1993
09/30/1993WO1993018880A1 Hydraulic bushing or tool holder with expandable inner and outer sleeves
09/29/1993EP0563005A1 Driven tool lock mechanism
09/27/1993CA2089688A1 Driven tool lock mechanism
09/22/1993EP0561395A1 Chuck
09/22/1993EP0561247A1 Drill chuck for hand tool machines
09/21/1993US5245896 Quick-change tool holder with center height adjustment mechanism
09/16/1993DE4207055A1 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
09/15/1993EP0559749A1 Improved chuck for power tools
09/15/1993EP0445117B1 Collet lock for power tool
09/14/1993US5244322 Clamping device for individual tools
09/14/1993US5244192 Interior centerline based seating apparatus
09/14/1993US5243884 Tool holder device having screw-operated means for connection and disconnection of two engageable members for attachment and removal of cutting tool
09/09/1993DE4207087A1 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
09/09/1993DE4143428A1 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
09/08/1993EP0559424A1 Tool clamping/unclamping device
09/07/1993US5242360 Spindle and toolholder for machine tool
09/07/1993CA1321873C Tool assembly, tool components and method of assemblying said components
08/1993
08/24/1993US5238341 Connection system for connecting an interchangeable tool head to a tool spindle