Patents for B23Q 3 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine (38,585)
07/1998
07/01/1998EP0850118A1 Tool-less machine tool chuck
06/1998
06/30/1998US5772566 Machine tool
06/30/1998US5771762 Quick-coupling face-driver assembly of a rotary drive device and method for changing face drivers
06/30/1998CA2018695C Apparatus for clamping workpieces which have to be machined by a machine tool
06/25/1998DE19654426A1 Mehrfachaufspannvorrichtung für Werkstücke auf Lochrasterpaletten Multiple work for workpieces breadboard pallets
06/24/1998EP0849462A1 Cylinder head for an internal combustion engine
06/24/1998EP0849033A1 Method for machining and handling a workpiece
06/24/1998EP0849031A1 Integrally bladed rotor (IBR) fixture and method of machining
06/24/1998CN2284668Y Multi-way holding clamp
06/24/1998CN1185365A Gripper opening-closing mechanism for cutter changing device
06/23/1998US5769768 Tool gripping apparatus
06/23/1998US5769487 Chucking device for accurate mutual fixation of two members
06/23/1998US5768966 Woodworking machinery jig and fixture system
06/18/1998DE19755364A1 Holder for implement fitment in percussion tool
06/17/1998EP0847833A1 Planar magazine
06/17/1998EP0847832A1 Universal milling and boring machine
06/16/1998US5765273 Drill press having pivotable table
06/16/1998CA2100611C A device for cutting off thin boards from cants
06/10/1998EP0847085A2 Method and apparatus for both mechanically and electrostatically clamping a wafer
06/10/1998EP0846524A2 Changeable chuck system
06/09/1998US5764471 Method and apparatus for balancing an electrostatic force produced by an electrostatic chuck
06/09/1998US5762714 Plasma guard for chamber equipped with electrostatic chuck
06/09/1998US5762594 Programmable machine tool with automatic tool changer
06/09/1998US5762326 Apparatus for expanding the worksurface of a vise-like workholding apparatus
06/09/1998US5761940 Methods and apparatuses for backgaging and sensor-based control of bending operations
06/03/1998EP0845317A1 Device for metal-cutting working of profiles
06/03/1998CN2282958Y Electric three-jaw automatic centring pipe special tongs
06/02/1998US5760668 Magnetic tool and object holder
06/02/1998US5760564 Dual guide beam stage mechanism with yaw control
06/02/1998US5759140 Method and apparatus for machining holes in crankshafts
06/02/1998US5758557 Wood cutting device and method of using the same
05/1998
05/28/1998DE19703078A1 Vertical panel saw machine
05/27/1998EP0844659A2 Puncture resistant electrostatic chuck
05/27/1998EP0844045A1 Clamping device for panel cutting machines
05/22/1998WO1998021545A2 Positioning process and system
05/20/1998EP0842735A1 Ferrule folder and ferrule grinding apparatus
05/19/1998US5753132 Method of making electrostatic chuck with conformal insulator film
05/19/1998US5752905 Automatic tool-changing mechanism
05/15/1998CA2219182A1 Ferrule holder and ferrule abrasing apparatus
05/14/1998DE19749937A1 Automatic tool changer for machine tool
05/14/1998DE19749932A1 Machine tool with two different cam shapes
05/14/1998DE19749843A1 Pressure drop compensation for fluid pressure circuit
05/14/1998DE19648864A1 Positionierverfahren und Positioniersystem Positioning method and positioning
05/14/1998DE19646461A1 High precision detachable clamping arrangement
05/14/1998DE19646096A1 Foundation and bedplate for machine in factory
05/13/1998EP0841277A2 Device for guiding elongated elements, particularly pipes
05/13/1998EP0841124A1 Rotary clamping apparatus
05/13/1998EP0841120A1 Clamping device
05/13/1998CN1181306A Plastic lens substrate and apparatus for and method of producing the same
05/13/1998CA2220776A1 Eccentric grinder loading system
05/12/1998US5751537 Multielectrode electrostatic chuck with fuses
05/12/1998US5749819 Automatic tool changing apparatus
05/06/1998EP0840434A2 Improved topographical structure of an electrostatic chuck and method of fabricating same
05/06/1998EP0840360A2 Wafer support with improved temperature control
05/06/1998EP0839646A2 Automatic tool changing system and method for use in an engraver
05/05/1998US5748435 Apparatus for controlling backside gas pressure beneath a semiconductor wafer
05/05/1998US5748434 Shield for an electrostatic chuck
05/05/1998US5747894 Factory automation connector and work pallet
05/05/1998US5746553 Dual purpose lay-up tool
05/05/1998CA2103345C Procedure and device for replacing the knives of a disc chipper
04/1998
04/30/1998DE19641985A1 Clamping fixture with at least one jaw chuck
04/29/1998EP0838303A1 Process and apparatus for chucking and machining an elongated cylindrical article made of a ceramic material
04/29/1998EP0838278A1 A tool-changing mechanism for a metal forming press and an arrangement comprising a metal-forming press and a tool-changing mechanism
04/29/1998CN2279978Y Force moment type clamping means
04/29/1998CN1180006A Machining center
04/28/1998US5745332 Monopolar electrostatic chuck having an electrode in contact with a workpiece
04/28/1998US5745331 For holding substrates
04/22/1998EP0837500A2 Apparatus and method for actively controlling the DC potential of a cathode pedestal
04/22/1998EP0836541A1 Spindle advance screw with draw bar actuator
04/22/1998CN1179742A Rotational motion mechanism
04/22/1998CN1179738A Metal-type coater apparatus and method
04/21/1998US5741111 Electro-pneumatic machining jig
04/21/1998US5740711 Work piece guide for saw
04/16/1998WO1998015371A1 Machine tool control system
04/15/1998EP0835722A1 Plastic lens substrate and apparatus for and method of producing the same
04/15/1998CN1178733A Variable chucking system
04/14/1998CA2159048C Key positioning fixture for a key cutting machine
04/08/1998EP0834890A1 Method of demagnetizing electro-permanent devices
04/08/1998EP0834380A1 Clamping device
04/08/1998EP0833696A1 Die coater apparatus and method
04/08/1998CN1178494A Grinding cup and holder device
04/08/1998CN1178154A Universal grip holder for drills with straight shank or conic shank
04/07/1998US5737177 Apparatus and method for actively controlling the DC potential of a cathode pedestal
04/07/1998US5735782 For mounting a tool set
04/07/1998US5735184 Powered tool positioner system
04/02/1998DE19705553C1 Electromagnetic clamping system for fixing and clamping large parts esp. in aeroplane mfg.
04/02/1998DE19639010A1 Method of positioning workpieces, especially slabs on machine table
03/1998
03/31/1998US5732937 Workpiece indexing and clamping system
03/26/1998DE19705685C1 Locating bobbin for quick change workpiece pallets
03/25/1998CN1177314A Machine tool
03/24/1998US5730691 Turret type of machine tool
03/24/1998US5730195 Machining center for the machining of flat workpieces
03/19/1998DE19637177A1 Automated assembly machine with tool changer for product mfg. processes
03/18/1998EP0828586A1 Device for clamping parts, in particular metal sheets, in a welding or mounting line
03/17/1998US5729423 Puncture resistant electrostatic chuck
03/17/1998US5727988 Apparatus for grinding needle-nose pliers
03/12/1998DE19737825A1 Verfahren zur Herstellung einer Beschichtung A process for preparing a coating
03/11/1998EP0827806A1 Clamping cylinder for clamping a clamping bolt, clamping bolt therefor and clamping system to be used with fallen chips
03/11/1998EP0827805A1 Clamping device for clamping a quick clamping cylinder to a barrier plate for a working machine
03/10/1998US5725464 Method and apparatus for the automatic replacement of rim shaped size reduction tools of size reduction machines, more specifically knife rims of wood flaking machines