| Patents for B23B 47 - Constructional features of components specially designed for boring or drilling machines; Accessories therefor (9,172) |
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| 08/02/1988 | US4761101 Arrangement for wireless signal transmission from a rotating body to a stationary receiving station |
| 07/26/1988 | US4759666 Drill guides and apparatus for holding same |
| 07/13/1988 | EP0273910A1 Adapter for positioning and holding auxiliary devices, e.g. jaw vices, on machine tools, particularly column drilling machines. |
| 06/28/1988 | US4753555 Apparatus and method for the drilling and inspecting of holes |
| 06/23/1988 | DE3642130A1 Process for monitoring the operation of cutting, rotating tools, and apparatus for carrying out the process |
| 06/22/1988 | CN86108097A High-speed precision mini-hole drilling machine |
| 06/21/1988 | US4752162 Jig for drilling dowel pin holes |
| 06/09/1988 | DE3640870A1 Appliance for making wall recesses |
| 06/07/1988 | US4749315 Tool for cutting a hole in a construction material precisely concentric to a reference aperture |
| 06/02/1988 | WO1988003848A1 A method for fastening a detail onto a surface of a building structure, and a jig for making a hole for carrying out the method |
| 06/01/1988 | EP0269013A2 Apparatus for the early detection of tool fracture or wear |
| 05/24/1988 | CA1237001A1 Drilling apparatus for boring an array of holes in a workpiece |
| 05/17/1988 | US4744241 Method and device for detecting a wear limit or break in the cutting edge of a tool |
| 05/11/1988 | EP0266397A1 High speed precision drilling system. |
| 05/04/1988 | EP0265674A1 Counterbalance mechanism for a vertically movable member and a machine tool comprising such counterbalance mechanism |
| 05/03/1988 | US4741650 Tool holder |
| 05/03/1988 | US4741226 For a machine used for drilling |
| 04/06/1988 | EP0262998A1 Drilling device for wooden panels so as to assemble them by using dowels |
| 04/06/1988 | EP0262756A2 Gang drill and method for clearing patterns of holes in tubular members |
| 03/30/1988 | EP0261386A2 Depth stop |
| 03/29/1988 | US4733996 Drill guide fixture, for directing drills orthogonally into tubes in tubesheets |
| 03/24/1988 | WO1988001844A1 Sanitary toilet seat cover |
| 03/16/1988 | EP0259626A1 Machining centre or machine tool with improved spindlehead mounting and traversing means |
| 03/15/1988 | US4730959 For facilitating the drilling of dowel holes |
| 03/08/1988 | US4729700 Drive unit for rotary tools |
| 02/11/1988 | WO1988000870A1 Mounting for accessory units |
| 02/11/1988 | DE3626063A1 Appliance for producing wall apertures |
| 02/09/1988 | US4723771 Fixing and jamming tooling for round parts |
| 02/03/1988 | EP0255120A1 Device for making recesses in walls |
| 02/03/1988 | CN87206454U Row holes drilling machine drived by spiral gear |
| 01/26/1988 | US4722021 Safety circuit for hand tools, and method for safe operation thereof |
| 01/06/1988 | CN87210107U Vibration reducing device for rocker arm type drill |
| 12/29/1987 | US4715125 Door lock drilling template |
| 12/15/1987 | US4712950 Drilling fixture and work holder |
| 11/10/1987 | US4705436 Drill jig |
| 11/03/1987 | US4704689 Machine tool for machining a workpiece by feeding a cutting tool in a series of discrete steps and related method |
| 10/27/1987 | US4702728 Machine tool shaft drive system |
| 10/27/1987 | US4702650 Positive feed drill use counter |
| 10/27/1987 | US4702621 Bearing arrangement for a feeding device for a drilling machine |
| 10/22/1987 | WO1987006167A1 High speed precision drilling system |
| 10/21/1987 | EP0241679A2 Method for the contactless checking of chipped and worn tools |
| 10/20/1987 | US4701082 Multipurpose machining unit |
| 10/14/1987 | EP0241425A1 Power control with overload protection for a drilling tool |
| 10/06/1987 | US4697964 Boring machine |
| 10/01/1987 | DE3610750A1 Control arrangement for the spindle speed of a machine tool |
| 09/30/1987 | EP0174306B1 Tooling for clamping and guiding round parts |
| 09/23/1987 | CN86209716U High speed precise drilling machine for small-sized hole |
| 09/15/1987 | US4693647 Multi-tool dowel hole drilling machine |
| 09/15/1987 | US4692973 Drilling and mounting machine for furniture production |
| 08/04/1987 | US4684299 Liberty jig |
| 08/04/1987 | US4683787 Method of machining a workpiece in a turret lathe and an nc lathe for performing this method |
| 07/28/1987 | US4682392 Anvil insert for fastener machine |
| 07/22/1987 | EP0229399A2 Arrangement for wireless signal transmission from a rotating body |
| 07/22/1987 | CN87100108A Arrangement for wireless signal transmission from a rotating body to a stationary receiving station |
| 07/14/1987 | US4679970 High speed toolholder for a machining center |
| 06/30/1987 | US4676700 Drilling apparatus for boring an array of holes in a workpiece |
| 06/23/1987 | US4674925 Gang drill and method for clearing patterns of holes in tubular members |
| 06/19/1987 | DE3543655A1 Auxiliary attachment for portable drills |
| 06/18/1987 | WO1987003523A1 Two speed automatic shift drill |
| 06/11/1987 | DE3542989A1 Feed unit |
| 06/02/1987 | US4669926 Drill guide apparatus and method |
| 05/20/1987 | CN86202201U Adjustable wind driving multispindle drilling machine |
| 05/12/1987 | US4664571 Tool abnormality detector |
| 05/12/1987 | US4664565 Cutting tool coolant dispensing |
| 05/06/1987 | EP0114844B1 Multi-purpose rotary machining unit |
| 05/06/1987 | CN86106470A Spindle headstock of drill and vibrating reamer machine |
| 04/30/1987 | DE3631198A1 Device for driving a tool |
| 04/14/1987 | US4657451 Contact detector for a machine tool |
| 04/08/1987 | EP0217242A2 Method and apparatus for detecting the condition of the cutting edge at a tool |
| 04/08/1987 | CN85107142A Gear change mechanism |
| 04/07/1987 | US4654956 Drill apparatus for use with computer controlled plotter |
| 03/31/1987 | US4653338 Apparatus for driving a member |
| 03/26/1987 | WO1987001633A1 Adapter for positioning and holding auxiliary devices, e.g. jaw vices, on machine tools, particularly column drilling machines |
| 03/24/1987 | US4652184 Fastening arrangement for fastening a drill bell |
| 03/17/1987 | US4650377 Right angle drill |
| 03/17/1987 | US4650376 Structure for installing a multispindle attachment on a drilling machine or the like |
| 03/10/1987 | US4649330 Controlling device of a drill for regular and reversed rotation in non-contact type |
| 03/10/1987 | US4648756 Two speed automatic shift drill |
| 02/25/1987 | EP0211135A2 Drilling template |
| 02/17/1987 | US4644335 Apparatus and method for monitoring drill bit condition and depth of drilling |
| 02/11/1987 | CN86201279U Hydraulic feeding mechanism for deep drilling and boring |
| 02/10/1987 | US4642618 Tool failure detector |
| 01/29/1987 | DE3525852A1 Drill jig for making connecting bores for connecting a first plate-shaped workpiece to another workpiece |
| 01/28/1987 | EP0209680A2 Tool failure detector |
| 01/13/1987 | US4636780 Acoustic monitoring of cutting conditions to detect tool break events |
| 01/13/1987 | US4635340 Method of machining a workpiece in a turret lathe and an NC lathe for performing this method |
| 12/16/1986 | US4629384 Transfer and locator of workpieces for a gang machine |
| 11/25/1986 | US4624607 Computed numerical control drilling machine |
| 11/18/1986 | US4623287 Drilling machine especially for drilling glass |
| 10/14/1986 | US4616525 Multi-step reduction gear attachment for multi-purpose electromotors |
| 10/08/1986 | EP0196567A2 Apparatus and method for monitoring the operating condition of a drill bit |
| 09/30/1986 | US4614464 Adjustable jig for hole formation |
| 09/30/1986 | US4614012 For drilling fastening holes for furniture fittings |
| 09/10/1986 | EP0193876A2 Driving unit for rotary tools |
| 09/10/1986 | EP0193745A1 Drilling machine comprising a pressure foot with a contact pad |
| 09/09/1986 | US4610580 Power tool |
| 09/09/1986 | US4610092 Methods and fixtures for installing drapery brackets and the like |
| 09/02/1986 | US4609310 Drilling machine |
| 08/06/1986 | EP0189769A1 Rotary or percussion drill |
| 07/29/1986 | US4602898 For holding two workpieces together |