Patents for B25D 11 - Portable percussive tools with electromotor drive (2,197)
02/2006
02/22/2006EP1627708A1 Power tool
02/22/2006CN1738161A Handheld type electric tool machine
02/16/2006DE202005017305U1 Fall preventing device for guide bearings used in electric power tool with impact unit, has stopper portions arranged at surface of seat section to block and prevent guide bearings from jumping out from open end of spherical recesses
02/15/2006CN1735485A Drilling and/or hammering tool
02/09/2006DE10362025B4 Bohr- oder Schlaghammer Drilling or hammer
01/2006
01/25/2006EP1619000A1 Drilling and/or hammering tool
01/25/2006EP1618999A1 Hand held percussive tool or drill
01/24/2006US6988563 Hammer drill
01/24/2006US6988562 Manual machine tool
01/19/2006US20060011362 Power transmission unit of an impactor, a hydraulic jet impactor and the application thereof
01/18/2006CN1236897C Hand holding tool with rotary guide pipe
01/12/2006US20060006614 Tool holder
01/12/2006DE202004020769U1 Schwingungsverringerungsvorrichtung für ein angetriebenes Werkzeug und angetriebenes Werkzeug mit einer solchen Vorrichtung Vibration reduction apparatus for a power tool and power tool comprising such a device
01/11/2006EP1614507A2 Rolling hammer drill
01/11/2006CN1718375A Rolling hammer drill
01/08/2006CA2475001A1 Rolling hammer drill
01/05/2006US20060000627 Device with inner and outer shells of a housing of a hand machine tool, and hand machine tool provided therewith
01/05/2006DE202004020770U1 Schwingungsverringerungsvorrichtung für ein angetriebenes Werkzeug und angetriebenes Werkzeug mit einer solchen Vorrichtung Vibration reduction apparatus for a power tool and power tool comprising such a device
01/04/2006CN1717299A Drill hammer or paving breaker
01/04/2006CN1715003A Device with inner and outer shells of a housing of a hand machine tool
01/03/2006US6981625 Percussive electrical hand-held power tool
01/03/2006US6981557 Process for controlling an axially hammering and rotating electric hand-held machine tool
12/2005
12/27/2005US6978847 Hammer
12/22/2005DE102004026845A1 Handwerkzeugmaschine, insbesondere Bohr- und/oder Schlaghammer Hand tool, in particular drilling and / or percussion hammer
12/22/2005DE102004025864A1 Electric percussion tool driving method, involves arranging time interval, during which solenoid is deenergized, longer than time interval, during which solenoid is energized, to allow spring unit to have longer time
12/21/2005EP1607187A1 Method and device for improving the deactivation response of an electropneumatic percussive tool
12/21/2005EP1607186A1 Electro-pneumatic hammer drill / chisel hammer with modifiable impact energy
12/14/2005EP1604785A2 Striking tool
12/14/2005CN1706598A Striking tool
12/08/2005US20050269117 Striking tool
12/08/2005DE102004022623A1 Handwerkzeugmaschine mit einem Schlagwerk Hand tool with a percussion
12/07/2005CN1704193A Hand operated machine tool especially hammer drill and/or percussion hammer
12/06/2005US6971455 Hammer drill with a mechanism for preventing inadvertent hammer blows
11/2005
11/17/2005DE102004020177A1 Handwerkzeugmaschine mit einem drehenden und/oder schlagenden Antrieb Hand tool with a rotating and / or percussive drive
11/17/2005DE102004019865A1 Device for converting rotational movement into translation movement has hollow wheel with inner wheel and crank with follower on inner wheel converting movement without transverse motion
11/17/2005DE102004019777A1 Device with impact transfer element for impact drilling machines has substantially constant cross section over longitudinal extension of element to prevent impact losses
11/17/2005DE102004012820B3 Taumelfingergetriebe Wobble drive
11/10/2005US20050247462 Hand machine tool with a hammer mechanism
11/09/2005CN1693034A Hand machine tool with a hammer mechanism
11/03/2005DE102004017940A1 Schlagwerk für eine Handwerkzeugmaschine Percussion for a hand tool
11/02/2005CN1689763A Hand held machine tool with a rotary/impact driving mechanism
11/01/2005US6959478 Shockproof spindle
10/2005
10/27/2005US20050236168 Power tool with a rotating and/or hammering drive mechanism
10/19/2005CN1683117A Impact mechanism for hand machine tool
10/18/2005US6955230 Hammer drill and/or chipping hammer
10/13/2005WO2005027151A3 Stroke device
10/13/2005US20050224241 Force-control method for dual coil electric beating device
10/12/2005EP1584422A1 Method and device for reducing the pressure peaks in a hand tool with an electropneumatic percussion system
10/12/2005EP1584420A1 Device for variable setting of the impact energy of an electro-pneumatic percussion mechanism in a drilling and/or chipping hammer in which it is comprised.
10/06/2005WO2005092575A1 Wobble drive
10/06/2005US20050217900 Concrete drill
09/2005
09/29/2005DE102005010071A1 Schlagbohrmaschine Impact Drill
09/28/2005EP1578563A1 Drill hammer or paving breaker
09/27/2005US6948571 Hammer
09/27/2005CA2260013C Impact mechanism for a hammer drill
09/22/2005US20050205273 Method for driving electric percussion tool
09/08/2005US20050194164 Impact drill
09/07/2005CN1663747A Impact drill
09/07/2005CN1217770C Electric hand-held tool device with no-load percussion cutting-off function
09/06/2005US6938705 Striking tool
09/06/2005US6938704 Pneumatic percussive tool with a movement frequency controlled idling position
09/01/2005DE102004007046A1 Handwerkzeugmaschine Hand tool
08/2005
08/17/2005EP1563960A2 Impact driver having a percussion application mechanism which operation mode can be selectively switched between percussion and non-percussion mode
08/17/2005CN1654172A Handheld tool machine
08/11/2005US20050173139 Impact driver
08/03/2005EP1472050B1 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston
07/2005
07/28/2005DE10359572A1 Schlagwerk für eine repetierend schlagende Handwerkzeugmaschine Percussion for a repetitive percussive hand tool
07/27/2005CN1644960A Transmission for producing multi-motion output
07/20/2005EP1425138B1 Hammer drill and/or percussion hammer with no-load operation control that depends on application pressure
07/14/2005DE102004060852A1 Schlagwerkzeug Impact tool
07/13/2005EP1438161B1 Tool holder
07/07/2005US20050145403 Striking tool
07/07/2005DE10358571A1 Impact-type electric hand-tool such as chisel hammer or combi-hammer, has motor control having power sensor dependant on power uptake
07/06/2005CN1635942A Manual machine tool
07/05/2005US6913088 Hammer drill and /or percussion hammer with no-load operation control that depends on application pressure
06/2005
06/30/2005WO2005058551A1 Impact mechanism for a repeatedly striking hand-held machine tool
06/30/2005DE10357142A1 Handheld machine tool has starting disk with at least one tooth on outer circumference forming radial extension with which starting disk can be at least indirectly supported on percussion tube
06/30/2005DE10356928A1 Schlagwerk, Kolbenvorrichtung und Werkzeugmaschine Percussion, piston assembly and machine tool
06/22/2005CN1207131C Combined electric hand tool
06/21/2005US6907943 Electric hammer
06/21/2005US6907942 Percussion tool
06/16/2005US20050127788 Tool
06/08/2005CN1625458A Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston
06/08/2005CN1623738A Impact mechanism;piston device and tool
06/07/2005US6902012 Percussion electrical hand-held tool
05/2005
05/25/2005EP1531958A1 Tool
05/19/2005WO2005044521A1 Percussion device for a hand machine tool
05/19/2005DE10348397A1 Schlagwerk für eine Handwerkzeugmaschine Percussion for a hand tool
05/05/2005US20050093251 Drilling and/or hammering tool
05/05/2005US20050092503 Shockproof spindle
04/2005
04/28/2005US20050087352 Portable Tool
04/27/2005CN1610606A Concrete drill
04/21/2005US20050082073 Hand-held power tool
04/14/2005US20050076517 Pneumatic spring percussion mechanism with an electro-dynamically actuated driving piston
04/14/2005DE10342504A1 Schlageinrichtung Impactor
04/14/2005DE10341814A1 Driving method for electric percussion tool, involves energizing and de-energizing solenoid again to move plunger core towards middle portion and then move in driving direction in addition to spring biasing force applied by spring
04/13/2005CN1606487A Hammer
04/13/2005CN1605439A Drive mechanism and power tool
04/13/2005CN1605438A Hand machine tool with an impact mechanism
04/07/2005WO2005009688A3 Hollow piston hammer device with air equilibration and idle openings
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