Patents for B23Q 3 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine (38,585)
01/1990
01/17/1990EP0350516A1 Quick changing device for chucks
01/16/1990US4893399 Apparatus for changing tools of a numerically controlled machining center
01/11/1990WO1990000104A1 Automatic tool changing apparatus for machine tools
01/11/1990DE3822842A1 Combined electromagnet/permanent-magnet adhesion system
01/09/1990USRE33145 Magnetic base for portable tools
01/03/1990EP0348684A1 Method and apparatus for locating and clamping a workpiece, such as a piston, prior to rotating same in a machining operation
01/02/1990US4890969 Flexible manufacturing apparatus having several parallel, spaced-apart processing machines
01/02/1990US4890541 Fluid-operated actuator with force multiplication
01/02/1990US4890522 Clamping head for the releasable attachment of a workpiece carrier to a machine tool spindle
01/02/1990US4890473 Contracting rim clamp
01/02/1990US4890423 Supporting head particularly for machining plates of glass, marble or the like of any size
12/1989
12/27/1989EP0348168A2 A mechanism for actuating workpiece engagement means
12/26/1989US4889676 Method of molding a precision surface on an instrument table
12/26/1989US4888865 Machine tool
12/20/1989EP0172850B1 Apparatus for coupling a first member to a second member
12/20/1989CN1038047A Machine tool with tool-store and tool-change device
12/20/1989CN1038046A Precise grouping elastic collet chuck
12/20/1989CN1038044A Method and apparatus for producing magnetic-disc
12/19/1989US4887345 Turret apparatus
12/14/1989WO1989012318A1 Optically flat surfaces on processed silicon wafers
12/14/1989WO1989011950A1 Multi-purpose machine vise
12/14/1989DE3819339A1 Base plates for mounting clamping devices
12/13/1989EP0346231A1 Drill, especially for a programmable machine
12/13/1989EP0345631A2 Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses
12/13/1989EP0345595A2 Tool-lamping device for a digitally controlled manufacturing system
12/13/1989EP0345554A1 Magnetic gripping apparatus having circuit for eliminating residual flux
12/13/1989EP0345353A1 Machining center
12/12/1989US4886257 Device for fixing workpieces to a table
12/07/1989DE3818564A1 Method of changing tools in a machining centre, and machining centre for carrying out the method
12/06/1989EP0344451A2 Coupling device for a work piece carrier and a controlling member
12/06/1989EP0344407A1 Tensioning device
12/06/1989EP0344156A1 Apparatus for holding a toolholder shank.
12/05/1989US4884604 Guide fence and mitre guide assembly for router mounting table
12/05/1989US4884332 Tool changer
11/1989
11/30/1989WO1989011434A1 A mechanical closed loop robotic arm end effector positioning system
11/30/1989DE3915938A1 Automatic coupling system
11/29/1989EP0344037A1 Machine for adjusting shafted gear wheels on tool equipment
11/29/1989EP0343552A2 Stamping machine with an exchangeable punching tool and work piece advance
11/29/1989EP0343337A1 Device for the detachable fastening of a work piece support to an adapter
11/29/1989EP0343237A1 Apparatus for changing a sensing device
11/29/1989EP0343164A1 Lock rod and apparatus for holding a toolholder.
11/29/1989CN2048413U Self locking knife holder
11/23/1989EP0343043A1 Shafted pinion center rectification machining method
11/23/1989EP0342623A2 Clamping mechanism for an apparatus for drilling or countersinking holes in a workpiece
11/23/1989EP0342257A1 Machine tool with magazine and tool changer
11/23/1989EP0342256A1 Abutment frame with centering holes
11/23/1989EP0342190A1 Angled stop.
11/23/1989DE3913137A1 Machine tool having a tool-change device
11/23/1989DE3817256A1 Method and device for the rapid interchanging of tools in a numerically controlled machine tool
11/23/1989DE3816523A1 Centring element
11/14/1989US4880220 Device for holding an object in a spatial position
11/14/1989US4879802 Gripper for tools of a machine tool
11/14/1989CA1262857A1 Sawing machines
11/07/1989EP0344156A4 Apparatus for holding a toolholder shank.
11/02/1989WO1989010246A1 Machine tool extension table and method for installing same
11/02/1989EP0340082A1 Apparatus for cutting tubes
11/02/1989EP0340081A1 Apparatus for cutting tubes
11/02/1989EP0339282A2 Device for clamping a power-actuated chucking tool on a machine tool spindle
11/02/1989DE3836055C1 Slot clamp
11/01/1989CN1005620B Mechanical automatic positioning method and device for blade profile
10/1989
10/26/1989DE3812527A1 Tool change device for industrial robots
10/25/1989EP0338460A2 Set of work-holding units
10/24/1989US4875512 Feeder having a speed change mechanism with a graduated threaded-shaft protector
10/24/1989US4875275 Novel automatic tool changer
10/18/1989EP0337864A1 Improved spectacle frame holder for reproducing machine
10/18/1989EP0337807A2 Automatic tool changer
10/18/1989EP0337170A1 Web center-locating device
10/18/1989CN2046056U Energy-storing hydraulic reinforced vice
10/17/1989US4873756 Machine tool
10/16/1989EP0306481A4 Manufacturing moulds for use in injection moulding of glass.
10/12/1989DE3810129A1 Friction transmission and its use in a flexible workpiece production system
10/10/1989US4872291 Mounting device
10/05/1989WO1989009422A1 Apparatus for strain-free mounting of optical components
10/03/1989US4870744 Tool exchange system for machining tools
10/03/1989US4870743 Quick change tool assembly for ultrasonic machine tool
09/1989
09/28/1989DE3907687A1 Punching (stamping) machine
09/28/1989DE3807914A1 Flexible clamping device
09/27/1989EP0334563A2 Tool coupling apparatus and method
09/27/1989EP0334191A2 Tool holder for machine tool
09/26/1989US4869626 High speed drilling spindle
09/21/1989WO1989008859A1 Method for the strain-free mounting of optical components
09/21/1989DE3905728A1 Method of producing, for example, countersunk bores with controlled depth and device for carrying out this method
09/20/1989EP0333699A1 Central actuation lathe
09/19/1989US4867621 Indexing and locating tooling support component
09/19/1989US4866835 Storage and transportation unit for machine tools
09/14/1989DE3904171A1 Clamping element with a brake device on a pressure-medium piston for retention in the event of pressure failure
09/14/1989DE3843620A1 Method for simultaneously and/or consecutively removing surface layers of essentially rotationally symmetrical objects, especially types of vegetable such as asparagus, black salsify, carrots and the like and device for implementing the said method
09/13/1989EP0332531A2 Tool changer
09/13/1989EP0331895A2 Clamping device with supporting prisms for work pieces
09/13/1989EP0331862A1 Machine with a table with intermittent rotation to perform with great rapidity the working and assembly of parts requiring great precision
09/13/1989CN1035458A Method and parts for using combined fixture to set up fixed angles
09/12/1989US4865494 Numerically controlled machine for processing printed circuit boards
09/12/1989US4864714 Tool changing device with tool detection cleaning
09/12/1989CA1259176A2 Insert cartridge and toolholder for automatic insert changer
09/06/1989EP0331249A2 Modular for setting fixed-angles of modular tools system
09/06/1989EP0331108A2 Work piece positioning method and apparatus
09/06/1989EP0330905A2 Spindle for machine-tools with exchangable spindle parts
09/05/1989US4864461 Machine unit having retaining device using static electricity
09/05/1989US4863324 Quick change attachment for clamping chucks
09/05/1989US4863323 Changing and chucking tool