Patents
Patents for B25D 17 - Details of, or accessories for, portable power-driven percussive tools (6,804)
04/1988
04/21/1988WO1988002680A1 Single-stroke percussion device
04/21/1988DE3634282A1 Power-driven hammer drill
04/14/1988DE3634591A1 Hammer drill with an air-cushion percussive mechanism
04/13/1988EP0263281A1 Pneumatic boring ram
04/12/1988US4736808 Percussive tool with high pressure fluid jet
04/12/1988US4736805 Hydraulic breaker with high pressure water attachment
04/12/1988CA1235074A1 Soundproofing device for boring bar
03/1988
03/24/1988WO1988002076A1 Oscillating system linked with a device subjected to excitation oscillations and intended to reduce vibrations over a broad band
03/24/1988DE3631360A1 Device for collecting and/or sucking off bore dust
03/22/1988US4732221 Fluid operated power tool
03/22/1988US4732219 Hammer drill with pneumatically driven percussion piston
03/17/1988DE3630870A1 An eine erregerschwingungsbeaufschlagte vorrichtung zur breitbandigen schwingungsverringerung ankoppelbares schwingungssystem At a erregerschwingungsbeaufschlagte device for broadband vibration reduction dockable vibration system
03/09/1988EP0258275A1 Boom operated demolition apparatus.
03/03/1988DE3628798A1 Chuck for a hand drill
03/01/1988US4727941 Power operated reciprocating hand tool
03/01/1988CA1233377A1 Hammer drill
02/1988
02/25/1988WO1988001219A1 Device for switching off percussion tools
02/23/1988US4726719 Drill chuck and tool for rotary drilling and rotary percussion drilling
02/23/1988US4726429 Percussion down hole drilling tool with central fluid flushing passage
02/18/1988DE3627869A1 Schlagwerkabschaltung Percussion shutdown
02/17/1988CN87105404A Excavating machine for driving mining of mine
02/10/1988CN87104840A Two piece downhole drill chuck
02/09/1988US4723610 Percussion device
01/1988
01/20/1988EP0253761A2 Chuck for tools
01/20/1988EP0252932A1 Deep hole hammer
01/12/1988US4718502 Replacement handle for a jackhammer
01/05/1988US4717292 Drill bit
12/1987
12/17/1987DE3249643C2 Tool holder
12/08/1987US4711609 Drill tool
12/08/1987US4711308 Hand-held tool with vibration dampening
11/1987
11/25/1987CN87103380A Body construction for drilling machine
11/19/1987EP0246212A2 Protection against vibrations at a motor driven vibration generating handtool
11/19/1987EP0245572A2 Rock breaking apparatus
11/17/1987US4706764 Two piece down hole drill chuck
11/17/1987CA1229269A1 Percussion tool
11/03/1987US4703942 Hammer drill
11/03/1987US4703941 Hammer drill chuck assembly
10/1987
10/29/1987DE3613526A1 Tool-holding fixture detachably connected to the spindle sleeve of an electropneumatically driven rotary percussion hammer drill
10/28/1987EP0243299A1 Pressurized fluid-operable hammer
10/27/1987US4702485 Percussion drill and chuck arrangement therefor
10/27/1987US4702326 Coupling arrangement for a drill shank of a percussion drilling machine
10/27/1987US4702324 Control system for positioning and operating a pneumatic percussion tool
10/22/1987DE3612800A1 Tool holder
10/20/1987US4701083 Tool holder for drilling and chiselling tools
10/01/1987DE3610682A1 Handle for hand-held machine tools
10/01/1987DE3610680A1 Seal
10/01/1987DE3610239A1 Mortising device
09/1987
09/30/1987EP0238957A2 Tool for a hydraulic hammer or the like
09/23/1987EP0237550A1 Impact device
09/22/1987US4694911 Drilling assembly for percussion drilling of deep wells
09/08/1987US4691929 Drill bit chuck for drilling and cutting devices
09/03/1987DE3606331A1 Dust-sealing mechanism
08/1987
08/27/1987WO1987005064A1 Boom operated demolition apparatus and method of breaking composite material
08/25/1987US4688646 Impact force shaping head
07/1987
07/28/1987US4682819 Method and apparatus for drilling hard material
07/23/1987DE3613264A1 Multi-purpose drill
07/21/1987US4681172 Cushioning device for use with a pneumatic impact tool or the like
07/16/1987WO1987004216A1 Deep hole hammer
07/02/1987DE3546255A1 Tieflochhammer Deep hole hammer
07/01/1987EP0226644A1 Rotary hammer
06/1987
06/16/1987US4673043 Hammer having a protective cover
06/16/1987US4673042 Pneumatic hammer
06/16/1987EP0225449A2 Drill chuck
06/16/1987CA1222956A1 Many-uses portable equipment particularly suitable for driving rotating tools, as well as percussion and rotating tools, and percussion tools only
06/03/1987EP0224010A1 Portable power-actuated tool for drilling with or without percussion
06/02/1987US4669553 Percussion tool
05/1987
05/27/1987EP0223738A2 Holding device for drilling and chiselling tools
05/26/1987US4667749 Damping element, and its installation in a motor-driven hand tool
05/20/1987EP0222698A1 Drill hammer with an air-driven impacting piston
05/14/1987DE3634149A1 Pneumatic implement for working rock
05/12/1987US4664394 Dust guard cap for a hand-held drilling device
05/05/1987US4662474 Noise suppressor for pneumatic tool
04/1987
04/30/1987DE3538191A1 Rock drill
04/21/1987US4658912 Percussion drill
04/16/1987DE3536132A1 Tool holder
04/15/1987EP0218547A2 Drilling or chiseling hammer
04/07/1987US4655651 Drill bit for hand-held drilling machines
04/01/1987CN86106885A Air pressure impact drilling method and apparatus for same
03/1987
03/31/1987US4653596 Percussive air tool
03/18/1987CN85106899A Rotary percussion drill by driving electric or wind
03/12/1987WO1987001325A1 Impact device
03/10/1987US4648609 Driver tool
03/10/1987US4648468 Portable powered tool with vibration damping
03/03/1987US4646852 Pneumatic mallet
02/1987
02/24/1987US4645113 Container making device
02/12/1987WO1987000885A1 Device for working out drifts in hard rock
02/12/1987DE3527207A1 Drill chuck for rotary and rotary-percussion drive machines, in particular rotary hammers
02/10/1987US4641714 Multiuse portable equipment for driving rotating tools, rotating percussion tools and percussion tools
02/05/1987DE3526996A1 Rotary and chisel hammer
01/1987
01/22/1987DE3526162A1 Hammer drill as well as hammer-drill tool
01/20/1987US4637539 Anchor bolt installation tool with depth stop
01/13/1987CA1216442A1 Drill chuck for use in percussion drilling
01/02/1987DE3522255A1 Device which can be clamped in a hammer drill or percussion drilling machine
12/1986
12/30/1986US4632190 Pneumatically-operated multi-needle chisel tool
12/30/1986EP0207034A1 A vibration-absorbing handle
12/30/1986EP0206981A2 Vibrations producing hand tool
12/23/1986US4630836 Drill chuck for use in percussion drilling
12/23/1986US4630687 Percussion device
12/17/1986EP0144392B1 Vibrating plate
12/09/1986US4627628 Hammer drill chuck
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