Patents
Patents for B23B 47 - Constructional features of components specially designed for boring or drilling machines; Accessories therefor (9,172)
11/1991
11/13/1991EP0455994A2 Eccentric drive for radially oscillating rollers, rolling cutters and milling drilling tools
11/13/1991EP0455829A1 Board holder in printed board boring machine
11/12/1991US5064319 Hardware installation tool
11/12/1991US5063982 Hand tool for forming a pocket mortise and method
11/05/1991USRE33732 Method of machining a workpiece in a turret lathe and an NC lathe for performing this method
11/05/1991US5063322 Feed mechanism with a sliding member guided by a hydrostatic bearing
11/05/1991US5062747 Jig-boring device
11/05/1991US5062746 Clamping attachment for portable drills
11/05/1991US5062745 Mechanical peck drill and method
11/05/1991US5062743 Drilling device
10/1991
10/31/1991DE4013792A1 Workpiece fracture detector for numerically controlled machine tool - measures position of pin operated by measurement object and working temperature
10/29/1991US5061886 Apparatus for controlling movement of reciprocating member, having data display capable of indicating encoder signal indicative of the movement
10/22/1991US5059071 Hinge installation tool
10/15/1991US5056966 Drilling jig
10/09/1991EP0450135A1 Hand-drill for drilling-out of spot-welds
10/08/1991US5054969 Marking, gauging and dowel drilling device
10/02/1991CN2085693U Automatic micro-feed adjustable tool
09/1991
09/25/1991EP0447620A1 Drilling machine with automatic feed
09/24/1991US5051042 Dual dowelling jig
09/18/1991CN1013941B Spindle feed mechanism for boring maching or like machine tool
09/11/1991EP0445363A1 Milling- or drilling device
09/11/1991EP0345344A4 Airfeed peck drill configuration
09/10/1991US5046901 Flush bolt boring jig
09/10/1991US5046900 Hand drilling tool for drilling out spot welds
08/1991
08/29/1991DE4005431A1 Drilling machine with automatic feed - produces series of holes in workpieces with equally shaped curved surfaces
08/21/1991EP0441780A1 Component control apparatus in measuring machines.
08/07/1991EP0439746A1 Hand-tool for marking and/or working of straight workpieces of uniform cross-section
07/1991
07/30/1991US5035549 Magnetic base
07/30/1991US5035547 Magnet base drill unit
07/23/1991US5033922 Apparatus for driving spindles of machine tools
07/10/1991EP0436453A1 Tool-unit with sensing device
07/09/1991US5031158 Method and apparatus for drill bit location
07/09/1991US5030042 Machining apparatus having means for changing radial position of cutting tools
07/06/1991CA2033622A1 Tool holder assembly with a sensing device
07/02/1991US5029097 Tool detecting apparatus
06/1991
06/27/1991DE3942806A1 Torque limiter for electric tool - with friction surfaces having recesses for lubricant and swarf
06/25/1991US5026376 Surgical drill guide and retractor
06/18/1991US5024564 Dowel drilling jig
06/13/1991WO1991008073A1 Board holder in printed board boring machine
06/11/1991US5022800 Rapid advance feed drill with idle mode
06/05/1991EP0429443A1 Device for monitoring rotating tools
05/1991
05/28/1991US5018912 Drilling jig for stair rails
05/28/1991US5018911 Drilling apparatus for structural steel shapes
05/21/1991US5017056 Positioner for accurately drilling a hole in a tool ball pad
05/14/1991US5014540 Jig assembly
05/08/1991EP0426321A1 Drill having dust collecting device
05/01/1991CN2075995U Self-reposited floating quick-change joint
04/1991
04/30/1991US5011345 Contour machining method and apparatus for printed circuit board
04/23/1991US5009554 Machine tool
04/16/1991US5007776 Controller for boring apparatus
04/02/1991US5004054 Electric drill with speed and torque control
03/1991
03/26/1991US5002441 Drilling unit
03/21/1991WO1991003348A1 High speed drill spindle
03/06/1991EP0415374A1 Feed mechanism with a sliding member guided by a hydrostatic bearing
03/06/1991EP0415271A2 Tool turret for machine-tool
03/05/1991US4997319 Apparatus for drilling a hole in a printed circuit board
02/1991
02/27/1991CN2071994U High-precision auto-feeding device for drilling machine
02/27/1991CN2071993U Reversing mechanism of unlimiting course of drilling machine spindle
02/27/1991CN2071992U Electronic stepless speed-regulating table drill
02/20/1991EP0413203A2 Drilling device
02/19/1991US4993894 Drill
02/14/1991DE3926611A1 Electronic run=up speed limitation esp. for drill - introducing brief delay with low-speed drive for centring purposes in prepn. for full-speed drilling
01/1991
01/30/1991EP0321463B1 Mounting for accessory units
01/16/1991CN2069322U Multifunctional tool machine drilling and milling frame structure
01/15/1991US4984941 Apparatus for forming a suture cut-off feature in a surgical needle possessing a suture-receiving socket
01/02/1991CN2068436U Monitoring signal transmitter for amount of radial cutting feed of boring machine level rotary disk
01/01/1991US4981400 Self-centering jig
12/1990
12/25/1990US4979294 Boiler tube repair method
12/18/1990US4978257 Safe drilling rig
12/18/1990US4978256 Drill fixture useful for drilling holes in bead like objects
12/12/1990CN2067197U Jig plate for convenient adjusting
11/1990
11/28/1990EP0190321B1 Tool holder for driven tools
11/15/1990DE3915316A1 Template for drilling and boring holes - has bar displaced from machining axis and engaging with feeler rod on drill head
11/13/1990US4969781 Blind fastener hand tool
11/07/1990EP0396466A2 Pressure foot for microwave drill detection system
11/04/1990CA2016026A1 Pressure foot for microwave drill detection system
10/1990
10/31/1990EP0394533A1 Spindle drive arrangement for a machine tool
10/31/1990CN2064694U Closely-packed pinhole processing device
10/09/1990US4961675 Adjustable set back control device
10/03/1990EP0248815B1 Two speed automatic shift drill
10/03/1990CN2063057U Motor-driven feed mechanism for drilling of table drill
09/1990
09/26/1990CN1045547A Airfeed peck drill configuration
09/26/1990CN1045546A Airfeed peck drill configuration
09/25/1990US4958967 Spindle feed mechanism for a machine tool
09/18/1990US4957398 Two-section tool spindle having a channel for carrying pressurized fluid
09/12/1990EP0386532A1 Drill spindle depth adjustment
09/11/1990US4955766 Holding fixture for drilling pocket joints
09/05/1990EP0385059A2 Drill
09/05/1990CN1045055A 钻头 Drill
09/04/1990US4953639 Closed loop hydraulic drill feed system
08/1990
08/28/1990US4952101 Apparatus and method for alignment of drilling holes and assembly of cabinets
08/23/1990WO1990009254A1 Method and apparatus for cutting apertures
08/01/1990CN1044248A Working machine for processing double main axle hole
07/1990
07/31/1990US4944643 Torque thrust and surface sensing device
07/25/1990EP0378558A1 Drill quill for insertion in a milling spindle
07/17/1990US4941781 Mechanical drilling aid
07/12/1990WO1990007659A1 Process and device for counterbalancing a rotating body
07/11/1990CN2059112U Grading device for drilling hole and adjusting distance
07/05/1990DE3900145A1 Verfahren zum auswuchten eines rotationskoerpers und vorrichtung zur durchfuehrung des verfahrens A method of balancing a rotationskoerpers and apparatus for performing the method
06/1990
06/20/1990CN2058363U Clamping device with rotary working table
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