| Patent application number | Description | Published |
|---|
| 20080210448 | HAND POWER TOOL - A hand power tool, in particular a drill hammer and/or chisel hammer, has a housing, a first joining unit, and a switch device that has an actuating unit with a second joining unit corresponding to the first joining unit, the actuating unit being capable of being introduced without tools, by the second joining unit, into the first joining unit in a mounting position. The first joining unit and the second joining unit of the actuating unit are provided to perform protection of the actuating unit against being lost, in an installed state of the actuating unit. | 09-04-2008 |
| 20080245220 | Percussion Mechanism and at Least Percussively-Operated Hand Machine Tool With a Percussion Mechanism - The invention relates to a percussion mechanism for an at least percussively-operated hand machine tool, in particular a hammer drill or chisel, comprising a drive motor and a tool holder ( | 10-09-2008 |
| 20090145617 | PORTABLE POWER DRILL WITH GEARBOX - A portable power drill or hammer drill having a housing ( | 06-11-2009 |
| 20090145618 | ROTARY HAMMER - Disclosed is a drill hammer ( | 06-11-2009 |
| 20100051303 | HAND-HELD POWER TOOL - The invention relates to a hand-held power tool, in particular a hammer drill which has a hammer drive, a rotary drive, a switching device, and a main output element. The switching device has a slide mechanism, which is designed for switching between different operating modes. According to the invention, the slide mechanism has at least one coupling element, which in at least one operating mode is directly coupled to a coupling element, the latter being rotationally fixed to the main output element. | 03-04-2010 |
| 20100096153 | HAND MACHINE TOOL - The invention relates to a hand machine tool, in particular, a hammer drill or chisel, having a gearbox housing and a gearbox unit with a switching device. The switching device includes a switching spring and an operating unit which may be mounted in the gearbox housing with a transfer element. According to the invention, the switching spring has a housing region provided for housing the transfer element of the assembled operating unit, on assembly of the gearbox housing and the gearbox unit. | 04-22-2010 |
| 20100108339 | HAND-HELD MACHINE TOOL - The invention relates to a hand-held Machine tool, in particular a hammer drill and/or chipping hammer. The tool according to the invention has a transmission device with a drive bearing that has at least one torque-transmitting means with a transmitting contour for transmitting a torque onto the drive bearing. According to the invention, the transmitting contour of the torque-transmitting means is produced by axial machining and/or a stamping and/or planning process. | 05-06-2010 |
| 20100307882 | GEARBOX DEVICE - The invention relates to a gearbox device, in particular for a hammer drill or chisel, which includes a drive mechanism and an overload clutch arranged on the drive mechanism. The overload clutch has a spring element, a toothed gear unit, and a locking element. According to the invention, the spring element is arranged along a force flow direction of the drive mechanism on the drive mechanism before the toothed gear unit and the locking element. | 12-09-2010 |
| 20100319946 | TRANSMISSION DEVICE - The invention relates to a gearbox device, in particular, for a hammer drill or chisel, with a torque transmission mechanism, which has a first torque transmitting region for transmission of a torque to a first component and at least one second torque transmitting region for transmitting a torque to a second component. According to the invention, the first torque transmitting region and the second torque transmitting region at least partly have a corresponding partial contour for transmitting the torques. | 12-23-2010 |
