| Patents for B23B 49 - Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centring devices for holes to be bored (2,465) |
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| 07/10/2013 | CN203044987U Tool adjusting instrument |
| 07/10/2013 | CN203044986U Guide sleeve structure |
| 07/10/2013 | CN203044985U Inner cone and guide sleeve structure |
| 07/10/2013 | CN203044984U Positioning mandrel with guiding function |
| 07/10/2013 | CN103192119A Rice huller drill plate |
| 07/10/2013 | CN103192113A Hub drilling device combination |
| 07/03/2013 | CN203030974U Boring sleeve |
| 07/03/2013 | CN203030955U Digital controlled drill for multi-shaft control drilling |
| 07/03/2013 | CN203030952U Motorcycle hub double-station center hole drilling machine |
| 07/03/2013 | CN103182552A Deep hole processing online detection and correction device |
| 07/03/2013 | CN103182545A Device and method for processing inclined hole in machine part |
| 06/26/2013 | EP2606999A1 Drill aid for guiding a drilling tool with a positioning device and method for positioning the drill aid on a substrate to be machined |
| 06/26/2013 | CN203018800U Drill bit compressing device |
| 06/26/2013 | CN203018799U Rapid depth setting device |
| 06/26/2013 | CN203018798U Auxiliary device for machining of ultra-large type ring rolling mill main reducer box body |
| 06/26/2013 | CN103180095A Machining apparatus |
| 06/26/2013 | CN103170660A Method for part curve surface hole site drilling line drawing with three-dimensional model |
| 06/26/2013 | CN102430779B Device for measuring normal vector at arbitrary point on free-form surface and measuring method thereof |
| 06/20/2013 | US20130156519 Guiding tool for the drill bit of a drilling apparatus and drilling method |
| 06/19/2013 | EP2604366A1 Guiding tool for the drill bit of a drilling aparatus and drilling method |
| 06/19/2013 | CN203003535U Impacted-type self-locking clamp based on plane-plane combined angle effect |
| 06/19/2013 | CN103167921A Centering method and device |
| 06/19/2013 | CN103157832A Drill hole depth-positioning device of drill machine |
| 06/19/2013 | CN103157831A Hole site aligning adjusting system for digital controlled drill |
| 06/19/2013 | CN103157830A Drilling line real-time tracking system |
| 06/19/2013 | CN103157820A Manual-automatic hand drilling machine |
| 06/19/2013 | CN103157819A Digital controlled drilling machine capable of adjusting and controlling drilling route and drilling depth automatically |
| 06/18/2013 | US8465234 Drilling bit with the depth-limiting and angle-leading function for the carpenter's work |
| 06/12/2013 | CN202984744U Drilling die |
| 06/12/2013 | CN202984723U Hydraulic cylinder drilling device |
| 06/12/2013 | CN202984718U Drilling machine |
| 06/05/2013 | CN202964124U Fixture capable of enabling winding wheel to be rapidly installed |
| 06/05/2013 | CN202964058U Locating device used during drilling of precise thin work piece |
| 06/05/2013 | CN202963547U Drilling and boring device with adjustable center height |
| 06/05/2013 | CN202963537U Drill bit device |
| 06/05/2013 | CN202963533U Drilling device of hydraulic cylinder |
| 06/05/2013 | CN202963528U Slant oil hole multi-hole drill combined machine tool |
| 06/05/2013 | CN103128569A Drilling tool assembly used for assembling riveting frame piece and welding frame piece |
| 06/04/2013 | DE202012002111U1 Bohrschablone für Hohlwanddosen Drilling template for cavity wall boxes |
| 05/29/2013 | CN202951897U Simple rod material drilling device |
| 05/23/2013 | DE102011086586A1 Tensioning unit for bracing wings and flanges of fuselage box in airplane, has tensioning body including tensioning surface supported at pin, where tensioning body is movable relative to tilting bar |
| 05/22/2013 | CN202943448U Drilling tool of valve plate spring pin hole |
| 05/22/2013 | CN103111662A Drilling, expanding and hinge guiding device |
| 05/22/2013 | CN103111656A Digital controlled drill used for drilling processing controlled by multiple shafts |
| 05/15/2013 | CN202934162U Support frame for fine machining of deep hole |
| 05/15/2013 | CN103100878A Precise thin workpiece boring positioning device |
| 05/14/2013 | US8438950 Method for manufacturing disposable rotary cutting tools for dental or medical applications |
| 05/08/2013 | CN202922249U Hydraulic cylinder drilling device |
| 05/08/2013 | CN202921971U Guide device for machining deep hole of nuclear power driving tube base |
| 05/08/2013 | CN103097084A Power tool |
| 05/08/2013 | CN103084627A Electric drill appliance |
| 05/01/2013 | CN202910594U Drilling tool of tubular beam |
| 05/01/2013 | CN202910592U Process equipment for inclined hole drill jig |
| 05/01/2013 | CN202910341U Silent electric drill |
| 04/24/2013 | CN202894775U Handle drilling clamp |
| 04/24/2013 | CN202894770U Car axle end three-hole machining and positioning tool |
| 04/24/2013 | CN202894421U Tube wall drill fixture |
| 04/24/2013 | CN103056684A Tooling for drilling and tapping oil drain hole of internal expanding axle housing |
| 04/17/2013 | CN202877595U Drill jig device for coal mining machine case body location pin holes |
| 04/17/2013 | CN202877588U Round steel hole drilling auxiliary device |
| 04/17/2013 | CN103042244A Electric drill |
| 04/17/2013 | CN102489740B Special drilling machine for drilling holes in coil pipe of refrigeration equipment |
| 04/17/2013 | CN102335772B Special through-hole drilling fixture for cylindrical part |
| 04/17/2013 | CN102335771B Numerical-control device for machining conical surface of ring-die discharging hole |
| 04/10/2013 | EP2577257A1 Portable device for producing standardized assay areas on organic coatings |
| 04/10/2013 | CN202861846U Drilling device |
| 04/10/2013 | CN202861802U Connecting rod parts clamp |
| 04/10/2013 | CN202861799U Joint drilling locating device |
| 04/10/2013 | CN202861797U Tooling for drilling lateral hole on reducer shell |
| 04/10/2013 | CN202861464U Movable ejector rod mechanism |
| 04/10/2013 | CN202861456U Handy electric drill location device |
| 04/10/2013 | CN202861446U Full-automatic drill lathe |
| 04/03/2013 | CN202846201U Drilling and positioning device for liquid collecting tube |
| 04/03/2013 | CN202845859U Guide sleeve for tube sheet deep hole working |
| 04/03/2013 | CN202845858U Drilling machine with replaceable drill bushing |
| 04/03/2013 | CN202845857U Drilling machine with combined type drilling die |
| 04/03/2013 | CN202845856U Device for detecting fracture of drill in automatic lathe |
| 04/03/2013 | CN202845855U Universal drilling device for isometric holes |
| 04/03/2013 | CN202845840U Three-shaft numerical control deep hole drilling machine for machining of multiple deep hole workpiece |
| 04/03/2013 | CN103008730A Drilling and boring device with adjustable central height |
| 04/03/2013 | CN103008728A Drill hole positioning and guiding device |
| 04/03/2013 | CN103008720A Automatic circular mould perforating machine |
| 04/03/2013 | CN103008716A Semi-automatic butt drilling machine for steel tube drilling |
| 04/03/2013 | CN102198527B Method for correcting eccentricity of drill type deep hole |
| 04/02/2013 | CA2593332C System, method, and apparatus for drill bit alignment and depth control with ergonomic drill motors |
| 03/28/2013 | WO2013043277A1 Drill force indicator for hand-operated drills |
| 03/28/2013 | CA2844009A1 Drill force indicator for hand-operated drills |
| 03/27/2013 | CN202825340U Press machine flywheel inclined hole drilling clamping device |
| 03/27/2013 | CN202825320U Frock clamp for drilling |
| 03/27/2013 | CN202825257U Fixture for drilling inclined oil hole |
| 03/27/2013 | CN202824765U Safety vale drilling tool |
| 03/27/2013 | CN202824764U Perpendicular hole-drilling correcting sleeve for handheld air drill |
| 03/27/2013 | CN202824759U Positioning device for drilling holes on H-shaped steel |
| 03/27/2013 | CN202824726U Vertical numerical control drilling machine with inverted automatic tool distance measurement device |
| 03/27/2013 | CN102990387A Drilling device for hydraulic cylinder |
| 03/27/2013 | CN102990386A Drilling device |
| 03/21/2013 | US20130071195 Drill force indicator for hand-operated drills |
| 03/20/2013 | CN202804274U Drilling device of joint of right-angle pipe |
| 03/20/2013 | CN202804273U Movable guiding sleeve |
| 03/20/2013 | CN202804272U 活动导向套装置 Activities guide sleeve device |