Abstract: A power tool having a tool which can be driven by a shaft device and a motor, wherein a position of the shaft device is defined by a shaft axis A1 and a position of the motor is defined by a motor axis A2, wherein the power tool is connectable to at least one exchangeable energy supply device in order to be supplied with energy, and the shaft axis A1 runs substantially parallel to or collinearly with the motor axis A2.

Abstract: Method for the open-loop and closed-loop control of a power tool containing a drive, a control device, a sensor, a transmission and a handle apparatus. The handle apparatus contains a lever element with a signal transmitter and pivotable relative to the sensor. A first and second position of the signal transmitter are sensed by the sensor, the distance between the first and second position corresponds to a first distance. The difference between a maximum distance of the lever element and the first determined distance is determined. A first rotational speed for the drive is set when the determined difference between the maximum distance of the lever element and the first determined distance corresponds at least to a first predetermined threshold value. A second rotational speed for the drive is set after the second position has been reached and after a predetermined period of time elapsed.

Abstract: Methods for activating and deactivating a spindle lock in a power tool, wherein the spindle lock can be activated, for example, by an intuitive movement by the user. In particular, the spindle lock can be activated by a rotary movement of the user on the tool fitting, which is recognized by the device electronics of the power tool. Exceeding a limit value for an angle of rotation or a rotational speed can be used by the device electronics as an activation signal for the spindle lock. The spindle lock can be deactivated if the device electronics detect a rotary movement of the tool fitting in the opposite direction. In further aspects, the invention relates to a power tool with which the methods for activating and deactivating a spindle lock can be carried out.

Abstract: A method for tightening or releasing a screw connection between a core drilling device and a core bit, the core drilling device including a core bit and a motor, the core bit being able to be caused to move in a first direction of rotation while, by activation of the motor during the tool change, a counter-torque is generated in order to tighten or release the twist lock between the core drilling device and the core bit. A core drilling device for carrying out the method. By activation of the motor of the core drilling device, the motor can be caused to operate counter to the movement of the core bit in the first direction of rotation. As a result, a difference between the torque in the first direction of rotation and the counter-torque can be significantly increased by activation of the motor.

Abstract: An apparatus for supplying a power tool with electrical energy is provided. The apparatus can be used, for example, to connect the power tool to an energy network so that it can perform the function of a mains adapter. The apparatus includes a first component for converting an AC voltage into a DC voltage, as well as a second component which is configured to convert the DC voltage generated by the first component into a device DC voltage. In a second aspect, the invention relates to a system which includes a apparatus and a power tool, wherein the power tool can be supplied with electrical energy using the apparatus. A use of the apparatus for supplying a power tool with electrical energy. Advantageously, particularly high power densities can be achieved with the invention and powers of more than 1700 watts can be provided.

Abstract: Method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, having a drive, a control device, a sensor device, a transmission device and a handle apparatus, wherein the handle apparatus contains a lever element with a signal transmitter, said lever element being pivotable relative to the sensor device. The method includes: sensing a first and second position of the signal transmitter by the sensor device; determining an acceleration of the signal transmitter from the first position to the second position by the control device; setting a first rotational speed for the drive by the control device for the output of a first impact energy value of the transmission device when the determined acceleration reaches a first predetermined threshold value or setting a second rotational speed for the drive by the control device for the output of a second impact energy value of the transmission device when the determined acceleration reaches a second predetermined threshold value.

Abstract: A hand-held power tool, including: a drive circuit for providing an adjustment signal as a function of actuation of a button, a control apparatus for adjusting a drive current for an electric motor of the hand-held power tool as a function of the adjustment signal, wherein the control apparatus is connected to an electrical energy source for operating the hand-held power tool via a first electrical line arrangement, the drive circuit is connected to the control apparatus via a second electrical line arrangement, a drive current line carrying the drive current for the electric motor is routed via an interruption switch, coupled to the button, for interrupting the drive current, and wherein an interference-suppression capacitor is connected to the drive power line via a first node and to the second electrical line arrangement via a second node.

Abstract: Handle apparatus on a power tool, in particular a chipping hammer, having a drive, a control device, a transmission device, wherein the handle apparatus contains a lever element that is pivotable relative to a housing of the power tool. The lever element is movable reversibly relative to the housing of the power tool by exertion of a force in one direction, and a sensor device is contained for sensing at least one first or second position of the lever element relative to the housing of the power tool, wherein a first rotational speed value for the drive is settable depending on the first sensed position of the lever element relative to the housing of the power tool or at least one second rotational speed value for the drive is settable depending on the second sensed position of the lever element relative to the housing of the power tool.

Abstract: Handle apparatus on a power tool, in particular a chipping hammer, having a drive, a control device, a transmission device, wherein the handle apparatus contains a lever element that is pivotable relative to a housing of the power tool. The lever element is movable reversibly relative to the housing of the power tool by exertion of a force in one direction, and a sensor device is contained for sensing at least one first or second position of the lever element relative to the housing of the power tool, wherein a first rotational speed value for the drive is settable depending on the first sensed position of the lever element relative to the housing of the power tool or at least one second rotational speed value for the drive is settable depending on the second sensed position of the lever element relative to the housing of the power tool.

Abstract: A method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, containing a drive, a control device, a sensor, a transmission and a handle apparatus. The handle apparatus contains a lever element with a signal transmitter and pivotable relative to the sensor. A first and second position of the signal transmitter are sensed by the sensor, wherein the distance between the first and second position corresponds to a first distance. The difference between a maximum distance of the lever element and the first determined distance is determined. A first rotational speed for the drive is set when the determined difference between the maximum distance of the lever element and the first determined distance corresponds at least to a first predetermined threshold value. A second rotational speed for the drive is set after the second position has been reached and after a predetermined period of time has elapsed.

Abstract: An apparatus for supplying a power tool with electrical energy is provided. The apparatus can be used, for example, to connect the power tool to an energy network so that it can perform the function of a mains adapter. The apparatus includes a first component for converting an AC voltage into a DC voltage, as well as a second component which is configured to convert the DC voltage generated by the first component into a device DC voltage. In a second aspect, the invention relates to a system which includes a apparatus and a power tool, wherein the power tool can be supplied with electrical energy using the apparatus. A use of the apparatus for supplying a power tool with electrical energy. Advantageously, particularly high power densities can be achieved with the invention and powers of more than 1700 watts can be provided.

Abstract: Methods for activating and deactivating a spindle lock in a power tool, wherein the spindle lock can be activated, for example, by an intuitive movement by the user. In particular, the spindle lock can be activated by a rotary movement of the user on the tool fitting, which is recognized by the device electronics of the power tool. Exceeding a limit value for an angle of rotation or a rotational speed can be used by the device electronics as an activation signal for the spindle lock. The spindle lock can be deactivated if the device electronics detect a rotary movement of the tool fitting in the opposite direction. In further aspects, the invention relates to a power tool with which the methods for activating and deactivating a spindle lock can be carried out.

Abstract: A device for supplying a power tool with electrical energy is provided. The device has a load resistor for absorbing electrical energy, which may be in particular electrical energy that is produced or released when a power tool or its tool is braked. In addition, the released braking energy can be converted into heat by the load resistor. A system which includes a device and a power tool, a load resistor of the device being set up to absorb electrical energy that is released during a braking process of the power tool. The released braking energy can be converted into heat by the load resistor. The use of a load resistor for absorbing such electrical energy released during a braking process of a power tool or for converting the braking energy into thermal energy, as well as an operating method for a system which includes a energy supply device and a power tool.

Abstract: A method for releasing a drill core from a drill bit of a core drilling device, with an intuitive movement being recognized and used as a trigger for a shaking process for the drill core. The intuitive movement may be for example a shaking movement of the core drilling device. A core drilling device for carrying out the proposed method is also provided. The core drilling device preferably includes a sensor system for detecting the intuitive movement of the core drilling device, while the sensor system may for example comprise a gyro sensor.

Abstract: Method for the open-loop and closed-loop control of a power tool, in particular a chipping hammer, having a drive, a control device, a sensor device, a transmission device and a handle apparatus, wherein the handle apparatus contains a lever element with a signal transmitter, said lever element being pivotable relative to the sensor device. The method includes: sensing a first and second position of the signal transmitter by the sensor device; determining an acceleration of the signal transmitter from the first position to the second position by the control device; setting a first rotational speed for the drive by the control device for the output of a first impact energy value of the transmission device when the determined acceleration reaches a first predetermined threshold value or setting a second rotational speed for the drive by the control device for the output of a second impact energy value of the transmission device when the determined acceleration reaches a second predetermined threshold value.

Abstract: Method for the open-loop and closed-loop control of a power tool, having a drive, a control device, a sensor device, a transmission device and a handle apparatus, wherein the handle apparatus contains a lever element with a signal transmitter, the lever element being pivotable relative to the sensor device. The method involves the method steps of: sensing a first and second position of the signal transmitter; determining a distance covered from the first position to the second position; and setting the drive from a deactivation mode into an activation mode when the distance reaches a first threshold value. A handle apparatus on a power tool is also provided.

Abstract: Handle apparatus on a power tool, in particular a chipping hammer, having a drive, a control device, a transmission device, wherein the handle apparatus contains a lever element that is pivotable relative to a housing of the power tool. The lever element is movable reversibly relative to the housing of the power tool by exertion of a force in one direction, and a sensor device is contained for sensing at least one first or second position of the lever element relative to the housing of the power tool, wherein a first rotational speed value for the drive is settable depending on the first sensed position of the lever element relative to the housing of the power tool or at least one second rotational speed value for the drive is settable depending on the second sensed position of the lever element relative to the housing of the power tool.

Abstract: Handle apparatus on a power tool, in particular a chipping hammer, having a drive, a control device, a transmission device, wherein the handle apparatus contains a lever element that is pivotable relative to a housing of the power tool. The lever element is movable reversibly relative to the housing of the power tool by exertion of a force in one direction, and a sensor device is contained for sensing at least one first or second position of the lever element relative to the housing of the power tool, wherein a first rotational speed value for the drive is settable depending on the first sensed position of the lever element relative to the housing of the power tool or at least one second rotational speed value for the drive is settable depending on the second sensed position of the lever element relative to the housing of the power tool.

Abstract: Handle apparatus on a power tool, in particular a chipping hammer, having a drive, a control device, a transmission device, wherein the handle apparatus contains a lever element that is pivotable relative to a housing of the power tool. The lever element is movable reversibly relative to the housing of the power tool by exertion of a force in one direction, and a sensor device is contained for sensing at least one first or second position of the lever element relative to the housing of the power tool, wherein a first rotational speed for the drive is set when the first position of the lever element relative to the housing of the power tool is sensed and a second rotational speed for the drive is set when the second position of the lever element relative to the housing of the power tool is sensed.

Abstract: A hand-held power tool, including: a drive circuit for providing an adjustment signal as a function of actuation of a button, a control apparatus for adjusting a drive current for an electric motor of the hand-held power tool as a function of the adjustment signal, wherein the control apparatus is connected to an electrical energy source for operating the hand-held power tool via a first electrical line arrangement, the drive circuit is connected to the control apparatus via a second electrical line arrangement, a drive current line carrying the drive current for the electric motor is routed via an interruption switch, coupled to the button, for interrupting the drive current, and wherein an interference-suppression capacitor is connected to the drive power line via a first node and to the second electrical line arrangement via a second node.