| Patents for B23Q 3 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine (38,585) |
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| 06/25/1991 | US5026221 Rotary cutting tool |
| 06/25/1991 | US5026033 Universal system for the support and positioning of a workpiece |
| 06/25/1991 | US5025834 Mounting plate storing conductor function |
| 06/19/1991 | EP0433248A2 Machine tool with automatic tool-changing device |
| 06/19/1991 | CN1012886B Apparatus for detachably connecting tool to manipulating device |
| 06/18/1991 | US5024562 Pressure foot for printed circuit board drilling machine |
| 06/13/1991 | WO1991008082A1 Tensioning device, especially for spiral tensioners of cnc vertical machines |
| 06/13/1991 | WO1991008073A1 Board holder in printed board boring machine |
| 06/12/1991 | EP0432019A2 Hydraulic clamp with inclined direct operated clamping-member |
| 06/11/1991 | US5023427 Method and apparatus for automatically aligning proximal edges of sheets to be butt welded |
| 06/11/1991 | US5022447 Safeguard apparatus for cutter of joint planer |
| 06/11/1991 | US5022195 Method and apparatus for machining centering chamfers |
| 06/05/1991 | EP0430070A2 Method and milling machine for simultaneous longitudinal profiling of glazing bars |
| 06/05/1991 | EP0429567A1 Device for the releasable connection of gripping components or corresponding tools on robot arms. |
| 06/05/1991 | CN2078207U Drawing type capable of indexing mechanical-clamp tool structure |
| 06/05/1991 | CN1012716B Compound chuck |
| 06/04/1991 | US5020210 Automatic tool changer for a machine tool |
| 05/30/1991 | WO1991007252A1 Workpiece clamping device for a work table |
| 05/29/1991 | EP0429417A2 Equipment for the sequential positioning, machining and finishing of the corners of window and door frames fashioned in plastic material, at a lateral work station |
| 05/29/1991 | DE4037616A1 Device to hold and clamp engine block - incorporates table to hold block with vertical member and locking brace |
| 05/29/1991 | DE4037031A1 Multiple tube cutting machine - has mandrels to support tubes before tube clamps are tightened |
| 05/29/1991 | DE3938913A1 Double-action chuck operated by hand and power assisted - has plunger and power mechanism with tensioning screw fitting in adjusting screw |
| 05/29/1991 | CN2077775U Multi-purpose combined locating-implement for milling machine |
| 05/29/1991 | CN2077774U Flat-nose pliecs for universal machine |
| 05/29/1991 | CN1051692A Multifunctional rotary cutter saddle |
| 05/28/1991 | US5018562 Power tool fence system |
| 05/28/1991 | US5018406 Mechanical locking device |
| 05/28/1991 | US5018266 Novel means for mounting a tool to a robot arm |
| 05/28/1991 | US5018265 Machine tool |
| 05/23/1991 | DE3938150A1 Fixture for disk parts with radial slots - has high-pressure oil jet to force workpiece against location surface of positioning fingers |
| 05/23/1991 | CA2030028A1 Universal system for the support and positioning of a workpiece |
| 05/21/1991 | US5016693 Guide fence for power tools |
| 05/21/1991 | US5016358 Guide fence and mitre guide assembly for router mounting table |
| 05/16/1991 | DE4026156A1 Magnetic clamp plate for welding table - has magnetic surface area for fixing workpiece and heat-resistant surface area |
| 05/15/1991 | WO1991007612A1 Mechanical locking device |
| 05/15/1991 | EP0427668A1 Crimping machine |
| 05/15/1991 | EP0427661A2 Tool identification |
| 05/15/1991 | EP0296151B1 Device with lifting frame for the machining of workpieces |
| 05/15/1991 | EP0290469B1 Device for automatic machining of differently-shaped parts |
| 05/15/1991 | CA2045520A1 Mechanical locking device |
| 05/14/1991 | US5014627 Stable instrument bench with replicated precision surface |
| 05/14/1991 | US5014580 Centering stand for cylinder holder |
| 05/08/1991 | EP0236414B1 Tool change apparatus |
| 05/08/1991 | DE3936959A1 High speed drilling machine for PCB - has clamp ring removed from drill holder to allow replacement of drill bit |
| 05/07/1991 | US5013017 Adaptable modular fixturing system |
| 05/07/1991 | US5013014 Fixture for workpieces, particularly turbine blades |
| 05/01/1991 | CN2076006U Vice jaw for multifunction machine |
| 04/24/1991 | CN1050837A Stepped central ultrasonic vibration cutting device |
| 04/23/1991 | US5009555 Tool holder for machine tool |
| 04/18/1991 | WO1991004814A1 Adjustable fastening device |
| 04/18/1991 | DE3933459A1 Biomedical implant production equipment - uses computer tomographic image to generate implant profile for component mfr. |
| 04/17/1991 | EP0422048A1 Multi-purpose machine vise |
| 04/17/1991 | EP0421982A1 Rotary-pallet system. |
| 04/17/1991 | CN1012347B Tool changing assembly for universal milling and drilling machines |
| 04/17/1991 | CN1012346B Method and parts for using combined fixture to set up fixed angles |
| 04/16/1991 | US5007157 Machine tool |
| 04/16/1991 | US5007151 Machine tool turret |
| 04/10/1991 | EP0421580A2 Machine tool with several heads, particularly for woodworking |
| 04/10/1991 | EP0421069A1 Locating device |
| 04/10/1991 | EP0420909A1 A mechanical closed loop robotic arm end effector positioning system |
| 04/09/1991 | US5006685 Machine tool with grinding function and truing/dressing method of grinding stone using it |
| 04/09/1991 | US5005633 Lens blocking apparatus |
| 04/04/1991 | WO1991004131A1 Apparatus for controlling driving of change arm |
| 04/04/1991 | WO1991004130A1 Tool-changing device for machine-tools |
| 04/04/1991 | WO1991004129A1 Magnetic chuck |
| 04/04/1991 | WO1991004127A1 Modular multi-fixturing system for a machine tool |
| 04/03/1991 | EP0420088A2 Method and device to separate an element encapsulated in a fusible material, from this fusible material |
| 04/03/1991 | EP0420039A2 Cleaning device for the holding shank of a tool or tool-holder |
| 04/02/1991 | US5004027 Biscuit joiner |
| 03/28/1991 | DE3931062A1 Storage equipment for many workpieces - has components forming mountings one above the other and adjustable horizontally |
| 03/28/1991 | DE3931061A1 Multiple workpiece storage equipment - has horizontally-adjustable components one above the other together forming mounting positions |
| 03/27/1991 | EP0418494A1 Positioning-device |
| 03/27/1991 | CN2073788U Machine used vice with quick adjustable distance |
| 03/27/1991 | CN2073787U Flat-nose pliers used for high-efficiency machine |
| 03/26/1991 | US5002500 Quick connect/disconnector for high amperage current |
| 03/21/1991 | WO1991003346A1 Device for removably securing a tool to a machine spindle |
| 03/21/1991 | DE3930463A1 Positioning arrangement for different shapes and sizes of workpiece - has positioning surface with 2 guide units and adjustable direction stops |
| 03/20/1991 | EP0418193A2 Device for setting workpiece to position |
| 03/20/1991 | EP0418145A1 Pressure element for clamping workpieces |
| 03/20/1991 | EP0417550A2 Machine tool with automatic changing of independently driver tool magazines |
| 03/19/1991 | US5000237 Jointer cutter guard with featherboard |
| 03/19/1991 | CA1281535C Method and apparatus for producing folded optical path devices |
| 03/13/1991 | EP0416524A1 Device for the change of calipers for measuring devices |
| 03/13/1991 | EP0416446A1 Making ready, holding and transporting pallet for work pieces |
| 03/07/1991 | DE3929055A1 Vertical broaching machine - stores broaches in sockets mounted on magazine, transferred to work table by vertical and horizontal slides |
| 03/06/1991 | EP0414985A1 Centering stand for cylinder |
| 03/06/1991 | CN2072460U Automatic inclined iron device |
| 03/06/1991 | CN2072459U Tipping flat tongs for drill |
| 03/06/1991 | CN2072458U Rotational lock type fast mounting clip device |
| 03/05/1991 | US4996762 Composite processing machine |
| 02/28/1991 | DE3925907A1 Wheel grinder tool changer - has spindles held in housing with clamping flanges for reception of trimming rolls and grinding wheels |
| 02/26/1991 | US4995161 Electrically controlled machine tools with tool changing means |
| 02/20/1991 | CN2071559U Universal adjustable eccentric holder |
| 02/19/1991 | US4993996 Chain magazine for shop machines |
| 02/19/1991 | US4993139 System for exchanging tools and end effectors on a robot |
| 02/19/1991 | CA1280277C Machine tool |
| 02/14/1991 | DE3926480A1 Tool turret with automatic tool changing mechanism - has plunger-actuated sliding wedge in cross-bore of spindle to move draw-bar and release tool |
| 02/13/1991 | EP0412919A1 Automatic tool-changing distributor for machine tools and similar |
| 02/06/1991 | EP0411472A1 Device on machine vices for centrical clamping workpieces |
| 02/06/1991 | EP0411447A1 Automatic tool changer for a machining center |