Patents
Patents for B25D 17 - Details of, or accessories for, portable power-driven percussive tools (6,804)
08/1989
08/09/1989CN2042406U Dust collector for impact electric drill
08/08/1989US4854393 Combination air hammer, water stream blaster and liquid mist dust suppressor
08/01/1989US4852662 Impacting mechanism
08/01/1989US4852661 Portable concrete hammer
07/1989
07/27/1989WO1989006586A1 Fluid-powered impact device and tool therefor
07/26/1989EP0325087A1 Tool holder and tool for boring and chiseling machine
07/20/1989DE3744654A1 Recoil damper
07/19/1989EP0324631A1 Method for removing carbon anodes in aluminium electrolysis cells
07/13/1989WO1989006179A1 Means for mounting expansion-shell bolt
07/04/1989US4844482 Drill chuck
07/04/1989CA1256717A1 Tool holder for drilling and chiselling tools
06/1989
06/27/1989US4842079 Body construction for a drilling machine
06/22/1989DE3742268A1 Electric tool having a device for accommodating and holding battery packs in and/or on the tool housing
06/20/1989US4840519 Drill bit for hand drills
06/20/1989US4840238 Superposed drilling device
06/20/1989US4840234 Pneumatic ram boring machine
06/13/1989US4838363 Rock-breaking apparatus
06/13/1989CA1255652A1 Drill steel
06/07/1989EP0318480A1 Device for switching off percussion tools.
06/06/1989CA1255347A1 Plastic master cylinder
06/01/1989WO1989004910A1 Control system for a multiple shank impact ripper
05/1989
05/30/1989US4834461 Control system for a multiple shank impact ripper
05/17/1989EP0316272A1 Fastening element for driving into hard materials
05/16/1989US4830549 Hand-held device with tool sensing means
04/1989
04/26/1989EP0312831A1 Vibration isolator for a pneumatic chiselling hammer
04/25/1989US4824298 Hand-held tool with detachable tool bit chuck
04/25/1989CA1253138A1 Button insert for rock drill bits
04/12/1989EP0311533A1 Support vehicle for a percussion apparatus
04/11/1989US4820962 Arrangement for automatic working data set-up for driving implements
04/04/1989US4818157 Use with a chuck of an electric drill
03/1989
03/23/1989DE3729883A1 Bohrfutter Chuck
03/09/1989WO1989001848A1 Electric power tool and adapter
03/07/1989US4809787 Method and apparatus for removing accumulated ice from pavement
02/1989
02/22/1989EP0304002A1 Drill for portable drilling machine, screw holding bit and method for manufacturing these tools
02/21/1989US4805707 For attachment to a loader machine
02/15/1989CN1003288B Noise eliminating device for drill
02/08/1989EP0302202A2 Device for attaching fasteners
01/1989
01/31/1989US4800965 Damping element, and its installation in a motor-driven hand tool
01/26/1989WO1989000484A1 Chisel
01/25/1989CN1030543A Hand controlling tools apparatus
01/18/1989CN2030934U Silencer for pneumatic hammer
01/17/1989US4798249 Lockable striking mechanism for hammer drill
01/10/1989US4796956 Machine for driving workings in hard rocks
01/04/1989EP0298027A2 Hand tool
12/1988
12/29/1988WO1988010170A1 Debris catcher
12/28/1988EP0297041A2 Hand tool
12/21/1988EP0295563A2 Rotary impacting apparatus
12/13/1988US4790391 Air pressure impact drilling method and apparatus for same
12/08/1988DE3717694A1 Hammer drill
12/07/1988EP0294351A2 Vibration dampened machine handle
12/01/1988WO1988009245A1 Torque-transmitting device for hand-held power tools
11/1988
11/30/1988EP0293327A2 Tool holder
11/22/1988US4785893 Boom operated demolition apparatus and method of breaking composite material
11/10/1988DE3714679A1 Tool holder
11/02/1988EP0289455A2 Tool for setting dowels
10/1988
10/27/1988DE3712456A1 Electropneumatically operating rotary percussion hammer drill
10/13/1988DE3809527A1 Pneumatically, electrically or hydraulically actuated hammer
10/11/1988US4776413 Button insert for rock drill bits
10/11/1988US4776408 Pneumatic impact tool
10/11/1988US4776407 Clamping attachment to a device for driving rod elements of low rigidity into the ground
10/11/1988US4776406 Motor-driven hand tool for drilling or impact drilling operations
10/04/1988US4775269 Hand held tool with removable chuck
10/04/1988US4775159 Chuck for a drilling tool
09/1988
09/27/1988CA1242462A1 Machine for driving workings in hard rocks
09/20/1988US4771833 Portable tool with vibration damping
09/15/1988DE3728269C1 Overburden drilling device
09/15/1988DE3707052A1 Method for interrupting the drive activity, in particular rotary-drive activity, of a powered hand tool
09/15/1988DE3707051A1 Method for interrupting the drive activity, in particular at least the percussive-drive activity, of a powered hand tool
09/13/1988US4770254 Rotary hammer with body having detachable sections
08/1988
08/31/1988EP0280195A2 Percussion apparatus with tool holder
08/18/1988DE3703222A1 Einrichtung zur geraeuschdaempfung an einem rammgeraet Means for geraeuschdaempfung on a pile driver
08/16/1988CA1240526A1 Clamping attachment to a device for driving rod elements of low rigidity into the ground
08/11/1988WO1988005844A1 Silencer for pile rammers
07/1988
07/26/1988US4759412 Rock breaking device
07/14/1988WO1988005115A1 Percussion device
07/14/1988DE3700175A1 Adapter for hammer drilling machines
07/14/1988DE3644724A1 Surface-machining apparatus for natural stones and cast stones
07/14/1988DE3644707A1 Drill hammer
07/12/1988US4756230 Sound attenuator for pneumatic motors
07/12/1988CA1239141A1 Coupling arrangement for a drill shank of a percussion drilling machine
07/12/1988CA1239040A1 Drill bit for hand-held drilling machines
06/1988
06/30/1988DE3722514A1 Hand-held device
06/22/1988EP0272209A2 Hand tool
06/21/1988US4752088 Tool adapter assembly and extended compression/tension tap driver
06/21/1988US4751970 Angular attachment for transmitting and deviating output power of a machine
06/07/1988US4749051 Drill steel
06/07/1988US4749049 Hand-guided impact hammer and hammer drill
06/01/1988EP0269562A2 Installation for the input of control data specific to a tool of a machine with an interchangeable tool
06/01/1988EP0268758A2 Drill chuck
05/1988
05/31/1988US4747455 High impact device and method
05/26/1988DE3639838A1 Driving rod for anchoring a dowel
05/11/1988DE3638215A1 Tool holder with stop element
05/05/1988DE3637354A1 Tool holder
05/04/1988EP0266305A1 Drillhammer with percussion mechanism
05/03/1988US4741404 Percussion tool utilizing negative pressure
05/03/1988CA1236082A1 Tool
04/1988
04/27/1988EP0265401A2 Damping device for a percussion rock drilling machine
04/27/1988EP0265380A2 Manual apparatus with a removable tool holder
04/27/1988EP0265378A1 Portable machine with a tool holding fixture
04/26/1988US4739837 Pneumatic impact tool
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