| Patent application number | Description | Published |
|---|
| 20080211328 | Machine Tool and Method For Operating a Machine Tool - The invention relates to a machine tool comprising an electric motor ( | 09-04-2008 |
| 20080236855 | Electric Power Tool - An electric power tool, in particular an electric hammer, having a drive unit ( | 10-02-2008 |
| 20080283261 | Hand-Held Power Tool with a Vibration-Damped Handle - The invention relates to a hand tool machine ( | 11-20-2008 |
| 20080314610 | Hand-Held Power Tool, in Particular a Rotary Hammer and/or Chisel Hammer - The invention is based on a portable power tool, in particular a hammer drill and/or rotary hammer, comprising a motor unit ( | 12-25-2008 |
| 20090008114 | Hand-Held Power Tool with a Percussion Unit - The invention is based on a power hand tool, in particular a hammer drill and/or hammer chisel, with a percussion unit ( | 01-08-2009 |
| 20090025950 | HAND-HELD POWER TOOL WITH A VIBRATION-DAMPED ROUNDED HANDLE - The invention relates to a hand machine tool ( | 01-29-2009 |
| 20090025951 | DEVICE HAVING A TORQUE-LIMITING UNIT - A device has a torque-limiting unit of a power drill, wherein torque-limiting unit is intended to limit a screwdriving moment in a screwdriving function; and a power drill is provided with the new torque-limiting unit. | 01-29-2009 |
| 20090145619 | PERCUSSION MECHANISM FOR A REPETITIVELY HAMMERING HAND POWER TOOL - A percussion mechanism for a repetitively hammering hand power tool in the form of a rotary hammer has a striker movable axially forward and backward in a guide barrel and imparting impacts directly and without any intermediate parts to an end section of a tool bit that is insertable into the hand power tool, a device that exerts pressure on the striker, by which the striker is capable of being set into a forward motion in the direction of the tool bit, a blocking element, with which the striker is blockable in its forward motion, and the striking frequency of the striker is adjustable by controlling the blocking time of the blocking element, so that the striking frequency of the striker depends on how long the blocking element blocks the forward motion of the striker. | 06-11-2009 |
| 20090178520 | AUXILIARY HANDLE WITH ECCENTRIC CLAMPING LEVER FOR A HAND-HELD POWER TOOL - The invention relates to an additional hand grip ( | 07-16-2009 |
| 20090266572 | HAND-HELD POWER TOOL, IN PARTICULAR A ROTARY HAMMER AND/OR CHISEL HAMMER - The invention relates to a hand power tool, in particular a drill hammer and/or chipping hammer, comprising a hammer unit ( | 10-29-2009 |
| 20090272553 | HAND-HELD POWER TOOL WITH A VIBRATION-DAMPED HANDLE WITH A SWITCH - The invention relates to a machine tool ( | 11-05-2009 |
| 20090294144 | Hand-held power tool - A hand-held power tool has a main element; a main handle fastened to the main element, the main handle being supported such that the main handle is movable relative to the main element, the main element including a tool fitting that defines a tool axis and the center of gravity that defines a normal direction oriented perpendicular to the tool axis and pointing toward the center of gravity, the main element being moved out of a stationary position toward the main handle so that a portion of at least 10% by weight of the main element is guided with a movement component in the normal direction along a trajectory. | 12-03-2009 |
| 20090314506 | ELECTRIC POWER TOOL - The invention is based on an electric power tool having at least one drive unit and a gear unit, where the gear unit is a drive element for applying force to a piston unit. It is proposed that the drive element and the piston unit be arranged in an axially parallel manner. At least a region of the drive element overlaps axially with a longitudinal portion of the piston unit. The drive unit is arranged approximately centrally in an axial extension of the piston unit and the longitudinal axis of the drive unit is arranged transversely to the piston longitudinal axis. | 12-24-2009 |
| 20100012337 | PERCUSSIVE MECHANISM OF AN ELECTRIC HAND-HELD MACHINE TOOL - The invention relates to a percussive mechanism of an electric hand-held machine tool, in particular a percussive hammer, which includes an electric motor, a transmission, and an eccentric arrangement for producing the percussion. The transmission has a first transmission stage, which is coupled with the electric motor. The first transmission stage is adjoined by a second transmission stage, which is coupled with the eccentric arrangement. The invention provides that the second transmission stage has a transmission gearwheel which is formed as an eccentric gearwheel. | 01-21-2010 |
| 20100025061 | STRIKING MECHANISM FOR A HANDHELD POWER TOOL - The invention is a striking mechanism for a handheld power tools in particular electric hammer. A piston is arranged in an axially bidirectionally movable manner in a guide tube. A striker is provided which acts on a striking pin and which is held in a movable manner in the guide tube. A compression space is delimited by the piston and the striker such that an air cushion is enclosed therein. It is proposed that at least one spring element is provided between the striker and the striking pin. | 02-04-2010 |
| 20100025062 | HANDHELD POWER TOOL WITH VIBRATION-DAMPED HANDLE - The invention is based on a portable power tool having a vibration-damped handle ( | 02-04-2010 |
| 20100206594 | HANDHELD POWER TOOL WITH A HANDLE VIBRATION-DAMPED BY COMPENSATING MEANS - A hand-held power tool is proposed, having a drive device for driving a tool, which is arranged in a housing of the power tool. A handle of the power tool, which is movably connected to the housing of the power tool, is vibration-damped by a movable compensating element. For this purpose, the movable compensating element is operatively connected to the handle and/or the housing of the power tool by a deflecting system. | 08-19-2010 |
| 20100294525 | HAND TOOL MACHINE - The invention relates to a hand tool machine, particularly a drill and/or chisel hammer, having a striking unit comprising at least one hammer and one striking element, and having a damping device for the striking element for damping a B-strike of the striking element against a striking unit. The invention proposes that the damping device have at least one axial overlap region with the hammer in at least one operating mode. | 11-25-2010 |
| 20100326689 | STRIKING MECHANISM FOR A HANDHELD ELECTRIC POWER TOOL - The invention relates to a striking mechanism of a handheld electric power tool, in particular a percussion drill and/or percussion hammer, having a hammer cylinder, a piston mounted with a guide section inside the hammer cylinder in a longitudinally displaceable manner, and a piston outer guide on which a guide area of the piston is guided in a longitudinally displaceable manner. A piston end located outside the hammer cylinder comprises an overlap for overlapping an end area of the hammer cylinder, and the guide area at least partially belongs to the overlap or is affixed there. | 12-30-2010 |
| 20110073339 | HAMMER DRILL AND/OR CHISEL HAMMER - The invention is based on a hammer drill and/or chisel hammer, having an impact mechanism unit, an impact mechanism housing and at least one damping unit. The invention proposes that the damping unit is arranged on the impact mechanism housing along a main extension direction of the impact mechanism unit. | 03-31-2011 |
