Patents for B23Q 3 - Devices holding, supporting, or positioning, work or tools, of a kind normally removable from the machine (38,585)
07/1999
07/27/1999US5927913 Tool holder
07/27/1999US5927857 Movable fence for a machine tool
07/27/1999US5926941 Armature pallet
07/27/1999CA2048806C Fixture and method for machining rotors
07/22/1999DE19829931A1 Keyless drilling chuck for drilling apparatus
07/22/1999DE19801790A1 Fine setting group for master stand used to fix position of workpieces precisely on base frame
07/21/1999CN2329477Y Tool clamping head
07/20/1999US5924827 Drill press having pivotable table
07/15/1999WO1999034954A1 Stone tile finishing system
07/15/1999DE19800034A1 Tool machine for grinding and milling tools with tool carrier
07/14/1999CN2328464Y Quick G shape clamp
07/13/1999US5923521 For retaining a workpiece
07/13/1999US5920973 Hole forming system with multiple spindles per station
07/13/1999CA2041552C A turret punch press with a die exchanging device
07/08/1999WO1999033607A1 Fixing device with freezing or heating tray
07/07/1999EP0927600A1 Press machine
07/07/1999CN2327496Y Automatic locking clamping mechanism
07/07/1999CN1222107A Grinding machine spindle flexibly attached to platform
07/06/1999US5919120 Tool changer method
07/06/1999US5918870 Clamping device for clamping a quick-clamp cylinder on a support plate for processing machines
07/06/1999US5918520 Straight line saw guide
07/05/1999CA2226169A1 Stone tile finishing system
07/01/1999WO1999032289A1 Automatic engraver tool changing method and apparatus
07/01/1999DE19756215A1 Quick change mounting for machine tool components
06/1999
06/30/1999EP0925872A2 Clamping device for fixing a clamping bolt to a carrier
06/30/1999EP0925871A2 Clamping apparatus
06/30/1999EP0925869A2 Tool holder with coolant pipe
06/30/1999CN2326385Y Portable magnetic drilling, tapping and punching compound machine
06/29/1999US5916689 Electrostatic chuck with an impregnated, porous layer that exhibits the Johnson-Rahbeck effect
06/29/1999US5916328 Device for moving a body in space
06/29/1999US5915749 Method for mounting an integrated circuit device onto a printed circuit board
06/29/1999US5915678 Kinematic coupling system for thin plates and sheets and the like
06/24/1999WO1999030868A1 Clamping device for workpieces
06/24/1999DE19858791A1 Multiple head automatic machine tool for machining boards
06/24/1999DE19804767C1 Positioning mounting for robot machine tool work and tools
06/23/1999EP0924037A2 Molding machine
06/23/1999EP0924032A2 A fixture for manufacturing precisely shaped parts
06/23/1999CN2325159Y Dynamic chuck
06/22/1999US5914568 For processing a target substrate
06/17/1999DE19753426A1 Vorrichtung und Verfahren zum Korrigieren von Rundlauffehlern Apparatus and method for correcting eccentricities
06/16/1999EP0922529A1 Unit for releasable connection of parts of a palletising device and a palletising device itself
06/16/1999EP0921900A1 Drilling and milling mechanism for machining material rods
06/16/1999EP0921898A1 Machine tool system
06/16/1999EP0758280B1 Tool coupling with means for centering and clamping
06/16/1999CN2323909Y Pneumatic clamping apparatus
06/16/1999CN1043716C Positioning and clamping device of board
06/10/1999WO1999029001A2 Electrostatic chuck capable of rapidly dechucking a substrate
06/10/1999WO1999028080A1 Device and method for correcting radial run-outs
06/10/1999DE19753603A1 Cell fabrication method for accommodating robots or similar handling apparatus
06/09/1999EP0920965A1 Attachment means for a shaper guard
06/09/1999CN2322743Y Hand and hydraulic clamp mechanism
06/09/1999CN2322742Y Clamp for precision machining brake disk parts
06/09/1999CN2322741Y Quick replacing tap clamp
06/08/1999US5910338 Placing a conductive surface of a chuck on a rotating turntable, impacting with particles at a controlled angle to create grooves undercutting the conductive layer
06/08/1999US5910201 Multiple spindle screw machine
06/03/1999WO1999026830A1 Pressure medium controlled clamping device
06/03/1999WO1999026756A2 Indexible module prohold workholding fixture
06/03/1999CA2278607A1 Pressure medium controlled clamping device
06/02/1999EP0919324A2 Improved magnetopermanent plate
06/02/1999EP0918592A1 Production and/or mounting device
06/02/1999EP0918587A1 Machine tool with two eccentric spindles for multiple diameter boring
06/02/1999DE19751874A1 Switching tools between two tool holders
06/02/1999DE19751502A1 Gripping and transporting equipment for automated handling of parts, e.g. for transfer presses
06/02/1999CN2321578Y 盲孔定位装置 Blind positioning device
06/02/1999CN2321577Y Power chuck
06/01/1999US5909354 Electrostatic chuck member having an alumina-titania spray coated layer and a method of producing the same
06/01/1999US5908374 Tool changer for machine tool
06/01/1999US5908334 Electrical connector for power transmission in an electrostatic chuck
06/01/1999US5908061 Plunge fence for shapers and router tables
05/1999
05/27/1999WO1998056040A3 Electrostatic chucks
05/26/1999EP0918167A1 Wedge
05/26/1999CN2320366Y Linkage clamping device
05/26/1999CN2320365Y Additional head joint positioning device for numerical toolroom machine
05/25/1999US5906363 Vacuum fixture and method for dimensioning and manipulating materials
05/20/1999WO1999025006A2 Electrostatic chuck having improved gas conduits
05/19/1999EP0916447A2 Method and device for aligning a workpiece on a machine tool table
05/19/1999EP0833696A4 Die coater apparatus and method
05/19/1999CN2319168Y Quick replaceable jig for drilling/reaming tool
05/18/1999US5905624 Electromagnet control system having printed circuit board variable voltage selection array
05/18/1999US5904776 Conduits for flow of heat transfer fluid to the surface of an electrostatic chuck
05/18/1999US5904346 Device for finely adjusting stop members, locating bolts, fitting pieces and the like on chucking devices, particularly for measuring machines and machine tools
05/18/1999US5904064 Cam assembly for use in a pressing machine
05/12/1999EP0914909A2 Gripping device
05/12/1999CN2317988Y Adjustable-space-angle combined clamping element
05/12/1999CN2317987Y Multi-purpose three-claw grip-holder
05/11/1999US5903428 Hybrid Johnsen-Rahbek electrostatic chuck having highly resistive mesas separating the chuck from a wafer supported thereupon and method of fabricating same
05/11/1999US5901967 Changeable chuck system
05/11/1999US5901948 Jig for holding contact lens material, using light-scattering bonding adhesive
05/06/1999EP0913588A2 Clamping apparatus
05/06/1999EP0913226A2 Machining centre in which workpiece holders have a coupling module as well as a multiple connector
05/05/1999CN2317043Y High speed automatic tool exchange mechanism with two end supporting device
05/05/1999CN1216012A Retaining device, in particular for workpiece
05/05/1999CN1215645A High pressure joint communicating tube shaping method, cold-forging die and clamp for turning it
05/04/1999US5899840 Tool changer for machine
05/04/1999US5899839 Tool changer for machine
04/1999
04/29/1999WO1999020437A1 Vacuum tightening system
04/29/1999WO1999020434A1 Magnetic holding device for blanks made of ferromagnetic sheet steel which are to be welded to one another
04/29/1999WO1999020432A1 Laser jigging system for assembly of trusses and method of use
04/29/1999DE19757430C1 Clamping device to fix draw-on nipple on clamping plate
04/28/1999EP0911126A1 Laser jigging system for assembly of trusses and method of use