Patents
Patents for B23B 45 - Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor (6,587)
08/1999
08/18/1999CN2333467Y Self-fastening drill chuck
08/17/1999US5938378 Apparatus for boring webs of steel sections
08/11/1999CN2332518Y Manually operated boring device with water feeding function
08/11/1999CN2332517Y Dust collective sleeve of electrodrill
08/11/1999CN2332516Y Boring/tooth working combiner with magnetic disc base
08/04/1999EP0932480A1 Apparatus for mounting a drill on a pipe
08/04/1999CN2331464Y Electric portable drill with abrasive drilling apparatus
07/1999
07/28/1999EP0930957A1 Electric machine tool
07/28/1999CN1044344C Apparatus in machine hold by hand which can make tool rotating together
07/27/1999US5927914 Compact chuck assembly for a power drill
07/21/1999EP0929381A1 Striking tool provided with an air-cushion impact mechanism
07/20/1999US5924497 Power hand tool with rotatable handle
07/14/1999EP0928668A2 Coupling for a percussion drilling machine
07/14/1999CN2328459Y Self locking drill holder
07/14/1999CN2328458Y Locking type hand fastening drill holder
07/07/1999CN2327479Y Chargeable cordless pocket electric drill
07/01/1999DE19758310A1 Adjustable height tool holder
06/1999
06/30/1999EP0925156A1 Drilling machine
06/30/1999CN2326373Y Grip holder jaw of square drill
06/29/1999US5915894 Core drill
06/29/1999CA2100489C Tool and tool holder for manually-operated tools
06/23/1999CN2325140Y Improved structure of securing base of hand electric drill
06/15/1999US5911281 Pneumatic power tool
06/10/1999WO1999028072A1 A guiding handle attachment for a hand drill for drilling in corners
06/10/1999DE19752814A1 Guiding device for drilling precise holes in awkward places e.g. for building trade or DIY
06/09/1999CN2322723Y 自动锁紧钻夹头 Automatic locking drill chuck
06/09/1999CN1043563C Apparatus in machine hold by hand which can make tool rotating together
05/1999
05/19/1999EP0916239A2 Electric tool with ducted cooled control electronics
05/11/1999US5902076 Quill feed for a portable drill adapted to be mounted to a work surface
05/04/1999US5899644 Apparatus for supporting a hand guided drill tool
04/1999
04/22/1999DE19845530A1 Guide device for boring machine etc.
04/14/1999CN1042902C Switch for electric tools
04/06/1999US5890851 Apparatus for increasing hand drill pressure
04/01/1999CA2363595A1 Apparatus and method for anchoring a cord-like element to a workpiece
03/1999
03/30/1999US5888032 Paddle fitting tool
03/30/1999US5888031 Drilling device
03/24/1999EP0903570A2 Device for driving tubular drill
03/24/1999CN2311330Y Piston air flue pneumatic impacting mechanism
03/23/1999US5885036 Hand held drill press and method of use
03/23/1999CA2144380C An electric motor for portable machine tools
03/18/1999WO1998058773A3 One-sided pneumatic impact tool with idling position
03/17/1999EP0901895A1 Drilling device
03/16/1999US5882153 Power drill with compact chuck assembly
03/16/1999US5881823 Hand machine tool with battery operated drive motor, and battery unit for the same
03/11/1999DE19834665A1 Fixture for center-boring on circular end faces of oblong workpieces, especially of round handrails of banisters
03/10/1999EP0900613A1 Drilling chuck
03/10/1999CN1210484A Tool holder for inserted tools in drilling and/or hammering machines
03/10/1999CN1042406C Method and apparatus for avoiding handtool machine from fault of clamping too tight of tool
03/09/1999US5879111 Hand-held device
03/04/1999WO1999010132A1 Driving device
03/03/1999CN2309195Y Noise-reducing device for hand-held electric drill
03/02/1999US5876157 Drill centering jig and forming tool guide
02/1999
02/18/1999DE19728727C1 Schlag- und/oder Bohrhammer mit Leerlaufkupplung Impact and / or hammer drill with one-way clutch
02/17/1999CN1207972A Dustless churn drill
02/09/1999US5868209 Device for coupling a tool to hand-held tool-driving machine
02/09/1999US5868208 Power tool
02/03/1999EP0894580A1 Drill stand particularly for stone drills, with a supporting column
02/03/1999EP0894579A1 Drill stand, particularly for stone drills, with a water suction ring
02/03/1999EP0894576A2 Twin lobe impact mechanism
01/1999
01/29/1999CA2242446A1 Twin lobe impact mechanism
01/28/1999WO1999003647A1 Percussion and/or drill hammer with oscillation damping
01/28/1999DE19730356A1 Aufbruch- und/oder Bohrhammer Breakers and / or hammer drill
01/26/1999US5863160 Portable tool guide
01/26/1999US5863158 Power drill leverage tool assembly
01/20/1999EP0891831A1 Rotary hammer
01/20/1999CN1041697C Tooland tool receiver used for hand tool device
01/14/1999WO1999001260A1 Paving breaker and/or hammer drill with a neutral gear clutch mechanism
01/07/1999EP0888852A1 Manipulator
01/07/1999EP0888851A2 Drilling - and/or percussion apparatus
01/07/1999DE19726272A1 Einseitiges Luftfeder-Schlagwerk mit Leerlaufzustand Sided air spring percussion with idle state
12/1998
12/30/1998WO1998058774A1 Electric machine tool
12/30/1998WO1998058773A2 One-sided pneumatic impact tool with idling position
12/30/1998CN2302078Y Mainshaft locking device for electric drilling machine
12/24/1998DE19726383A1 Elektrowerkzeugmaschine Power tool
12/23/1998CN1202850A Power hand tool with rotatable handle
12/16/1998EP0884138A2 Hammer drill
12/16/1998EP0883378A1 Drill for surgical use
12/16/1998CN1201864A Hammer drill
12/02/1998EP0880426A1 Tool holder for inserted tools in drilling and/or hammering machines
12/02/1998CN1040956C Tool and tool holder for hand-tool apparatus
12/01/1998US5842527 Hammer drill with a mode change-over mechanism
11/1998
11/26/1998WO1998052723A1 Drill guide with dust collector and detector for sensing hidden items
11/25/1998CN2298085Y Hand electric drill
11/18/1998CN1199358A Insertable tool and tool holder for drilling and/or impacting electric machine
11/11/1998EP0876881A2 Drill- and/or percussion apparatus
11/11/1998EP0876880A2 Drill- and/or percussion apparatus
11/04/1998CN1197717A Drilling and/or punching apparatus
11/04/1998CN1197716A Drilling and/or punching apparatus
10/1998
10/29/1998WO1998047670A1 Rotary hammer
10/28/1998CN1196986A Operating mode switching apparatus for hammer drill
10/22/1998DE19801986A1 Hammer drilling machine
10/22/1998DE19717712A1 Bohrhammer Rotary Hammer
10/21/1998CN2294815Y Electric drill support
10/21/1998CN1040304C Cutting tool and cutting tool clamping case used for hand tools
10/14/1998EP0643639B1 A penetrated tool system
10/14/1998CN2294128Y Concrete drilling machine
10/13/1998US5820317 Apparatus for supporting a drill in an elevated position
10/13/1998US5820312 Device for transmitting impulse-like blows to a continuously rotatable tool bit
10/06/1998US5816341 For a rotary drill
09/1998
09/30/1998CN2292902Y Electric drill rotary hammering switching device
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