| 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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| 10/24/1991 | DE4002854C1 Tool changer for kneading machine - has two or more hammer plungers and set jaws with infeed wedges |
| 10/22/1991 | US5058909 Adapter for attachment of a supplementary tool |
| 10/22/1991 | US5058474 Height adjustment means for biasing wheel |
| 10/22/1991 | US5058328 Wafer centering assembly |
| 10/17/1991 | DE4011723A1 Storage unit for cylindrical workpieces - has spring-loaded opposed roller pairs forced apart by workpiece and locked in supporting position |
| 10/16/1991 | EP0452137A2 Method and apparatus for automatically aligning proximal edges of sheets to be butt welded |
| 10/16/1991 | CN2086645U Magnetic suction cup with demagnetizing and magnetizing unit |
| 10/15/1991 | US5056766 Precision machine vise |
| 10/15/1991 | US5056765 Immobilizing device particularly useful during processing or testing flat workpieces |
| 10/15/1991 | CA1290840C Tool identification system |
| 10/12/1991 | CA2014766A1 Adjustable height work support |
| 10/10/1991 | DE4010654A1 Work jig in machine tool - has active clamping components in baseplate to suit datum drillings and guides |
| 10/09/1991 | EP0450618A1 Absolute position detecting device |
| 10/09/1991 | EP0450579A2 Monocrystal ingot attitude-adjusting/surface-grinding/conveying apparatus |
| 10/09/1991 | EP0450383A1 Fastening and centring device |
| 10/09/1991 | EP0450275A1 Mounting plate |
| 10/09/1991 | EP0449926A1 Mechanical devices and structures |
| 10/09/1991 | EP0449870A1 Mechanical devices and structures |
| 10/08/1991 | US5055964 Electrostatic chuck having tapered electrodes |
| 10/08/1991 | US5054181 Diagonal insertion apparatus |
| 10/08/1991 | US5054176 Machine tool and chucking attachment and tool head therefor |
| 10/02/1991 | EP0448801A1 Portable machine tool with removable tool holder |
| 10/02/1991 | DE4010239A1 Hammer drill with rapid chuck changing mechanism - has torque transmitted by balls which can be extracted radially by turning outside locking ring |
| 10/02/1991 | DE4009537A1 Independent tool changer for machining centre - has independently driven column with gripper pair moving between tool storage station and spindle |
| 10/02/1991 | CN1014125B Clamping head |
| 10/01/1991 | US5052097 Method and apparatus for forming holes in wood board or the like |
| 09/25/1991 | EP0447740A1 Machining device especially for packed workpieces |
| 09/25/1991 | EP0205508B1 Device and method for cutting frozen foodstuffs and fodder |
| 09/24/1991 | US5051054 Elevating table and transporting method |
| 09/24/1991 | US5051051 Rack and die mover |
| 09/24/1991 | CA1289407C Duct mounting structure for prefabricated curtain wall with air conditioning system |
| 09/19/1991 | WO1991013724A1 Pincers for jointing or reshaping parts |
| 09/19/1991 | DE3936784A1 Jig for preparation of bearing shells - has magnetic grip for shells with magnetic pick=up |
| 09/18/1991 | EP0447087A1 Tool exchange system for hybrid die bonder |
| 09/18/1991 | EP0446357A1 Apparatus for controlling driving of change arm |
| 09/18/1991 | CN2084858U Drill bit chuck integrated with fastening device |
| 09/17/1991 | US5048804 Apparatus for holding an object to a surface using valve controlled vacuum force |
| 09/17/1991 | US5048375 Method for constructing a rotating cutting tool |
| 09/12/1991 | DE4019510A1 Tool-mounting protection equipment - is used in magazine and comprises inserted elastic plug with boss at end |
| 09/12/1991 | DE4007072A1 Automatic tool-changing mechanism - has chuck turned by pin active against ramp to align dogs with tool |
| 09/12/1991 | DE4006990A1 Tool plate holder on machine tool table |
| 09/12/1991 | DE4006900A1 Welding ring assembly for positioning parts to be welded - has outer and inner ring with relative rotation to pivot cramps against hollow body for centring and clamping in position |
| 09/11/1991 | EP0445760A1 Device for fixing a piece of work on the table of a machine tool |
| 09/11/1991 | EP0445269A1 Modular multi-fixturing system for a machine tool. |
| 09/10/1991 | US5047896 Assembly of multi-layer circuit boards secured by plastic rivets |
| 09/10/1991 | US5047742 Structure of electromagnetic work holder |
| 09/10/1991 | US5046233 Machine tool |
| 09/05/1991 | WO1991012925A1 Positioning fixture |
| 09/03/1991 | US5046021 Robotic assembly and disassembly station for removably clamping a succession of workpieces to a succession of support pallets |
| 09/03/1991 | US5044064 Machine tool with end effector replacement |
| 09/03/1991 | US5044063 Robotic tool change mechanism |
| 09/03/1991 | CA1288228C Apparatus for holding a toolholder shank |
| 09/03/1991 | CA1288226C Lock rod and apparatus for holding a toolholder |
| 08/29/1991 | DE4105207A1 Workpiece holder for woodworking machine - has optical arrangement monitoring workpiece distance from slide surface and distance between workpiece surfaces |
| 08/28/1991 | EP0443019A1 Tool-changing device for machine-tools |
| 08/27/1991 | US5042203 Abrasive disc exchange apparatus for use in vertical-spindle grinding machine |
| 08/24/1991 | WO1991012939A1 Woodworking worktable assembly having an extruded t-slot |
| 08/24/1991 | CA2049924A1 Woodworking worktable assembly having an extruded t-slot |
| 08/21/1991 | EP0442104A2 Device for drilling undercutted holes |
| 08/21/1991 | CN2083100U Fixed-shaft line spring clamping head holder |
| 08/20/1991 | US5041806 Electromagnetic holding device |
| 08/20/1991 | US5041056 Chop cutting apparatus |
| 08/14/1991 | EP0441437A1 Set of anchoring elements of adjustable type for components of pieces clamping fixtures on a supporting pallet |
| 08/14/1991 | DE4038969A1 Clamping plate for fixing workpieces on machine tool - has equally spaced longitudinal and transverse grooves |
| 08/14/1991 | DE4038968A1 Clamping plate for fixing workpieces on machine tool - has clamping elements with holes aligned with holes in clamping plate |
| 08/14/1991 | CN2082656U 万能磁力座 Universal Magnetic Block |
| 08/14/1991 | CN1013484B Machine tool with tool-store and tool-change device |
| 08/13/1991 | CA1287553C Rip fence for table saw |
| 08/08/1991 | WO1991011282A1 Shank for a tool |
| 08/08/1991 | CA2033516A1 Method and apparatus for forming holes in wood board or the like |
| 08/07/1991 | EP0440585A2 An improved metalworking vise |
| 08/07/1991 | EP0440527A1 Check Valve with valve opening device |
| 08/07/1991 | EP0439673A2 Mechanical device for mutually connecting or disconnecting working parts |
| 07/31/1991 | EP0439000A1 Electrostatic clamp and method |
| 07/31/1991 | CN2081777U Fixture for sharpening drill bit and hobbing |
| 07/30/1991 | US5035555 Device for setting workpiece to position |
| 07/30/1991 | US5035457 Simple tooling exchange |
| 07/24/1991 | CN2081330U Knuckle-joint shifting yoke carrier |
| 07/23/1991 | US5033923 Rotary tool |
| 07/23/1991 | US5033538 Workpiece carrier for a disk-shaped workpiece as well as a vacuum process space |
| 07/23/1991 | US5033346 Sheet cutting machine, and cutting head and clamping assemblies therefor |
| 07/23/1991 | US5033344 Pipe cutting apparatus |
| 07/18/1991 | DE4100148A1 Pallet for transporting cylindrical workpieces - incorporates pairs of sliding jaws to grip workpieces |
| 07/18/1991 | DE4000957C1 Workpiece clamping, depositing, and stop appts. - has clamping or holding addition with two bearing plates for threaded spindle |
| 07/17/1991 | EP0437018A2 A wafer centering assembly |
| 07/17/1991 | EP0436933A2 Apparatus for and methods of the repair of turbine blades |
| 07/17/1991 | CN1053029A Rapid travel regulator with mechanical interlocking |
| 07/16/1991 | US5031303 Methods and device for accurately positioning a roller segment for the purpose of finishing its pivoting bearing surface, and a method for machining the seats of device of this kind |
| 07/11/1991 | CA2033827A1 Turbine blade repair |
| 07/10/1991 | EP0436453A1 Tool-unit with sensing device |
| 07/10/1991 | EP0222917B1 Device for magnetic fixation of parts |
| 07/09/1991 | US5030048 Expandable tool holding device using a fusible alloy |
| 07/06/1991 | CA2033622A1 Tool holder assembly with a sensing device |
| 07/03/1991 | EP0435079A2 Hydraulic clamp with direct operated rotary clamping member |
| 07/02/1991 | US5028901 Magazine for coordinate measuring apparatus |
| 07/02/1991 | US5027682 Attachment mounting mechanism in a machine tool |
| 06/27/1991 | WO1991008860A1 Method of correction of tool |
| 06/26/1991 | EP0433925A2 Hydraulic clamping device |
| 06/25/1991 | US5026224 Tool assembly |
| 06/25/1991 | US5026222 Pin for use in a workpiece clamping apparatus |