Abstract: A handheld machine tool has a drive motor and a supplementary handle which is mounted on the housing of the handheld machine tool and is assigned a drive-torque limitation device, the drive-torque limitation device limiting the drive torque to a torque level below a maximum torque if the supplementary handle is not mounted on the housing.

Abstract: A machine tool, especially a jigsaw, is disclosed. Angle deviations from a set angle position of the working tool are detected as the actual angle is adapted to the set angle by rotationally adjusting the working tool.

Abstract: A machine tool having a drive motor includes an electronic unit and a switch for switching the drive motor on/off. An additional contact module is connected to the electronic unit, the drive motor being electrically connected only to the contact module. Also, the switch is connected to the contact module.

Abstract: A protective system for an electric unit operated by an installable battery pack includes: a control device configured to activate the electric unit in the case of the installed battery pack by operating a main switch; a contact device of the electric unit and a contact device of the battery pack including mutually complementary contact elements, which in each case form a first and a second interface for producing a first and a second electrical connection between the electric unit and the battery pack. In this instance, the contact devices are configured, during the installing of the battery pack, to produce the first electrical connection before the second electrical connection in time.

Abstract: A hand-held machine tool such as a jigsaw includes a distance measuring unit for the contactless detection of a section of a specified path and for visualizing a working path corresponding to the specified path and/or for aligning the machine tool including its working tool with the working path corresponding to the shape of the specified path by means of an adjusting device.

Abstract: In an accumulator having multiple accumulator cells situated in an accumulator housing, the end faces of the accumulator cells which face a specified housing section forming an end face plane, and at least one electrical line being fastened to at least one end face of at least one accumulator cell, the at least one accumulator cell being connected via the electrical line to an electronic component associated with the accumulator, at least one line routing element is situated, at least in sections, in the area of the end face plane between the end faces facing the specified housing section and the housing section, the line routing element having at least one guide element for guiding the at least one electrical line.

Abstract: A machine tool system is provided with a detection device for a working line specified for the surface of a workpiece, the marking contour of the working line being viewed from different wavelength ranges.

Abstract: A tool device, in particular a jigsaw device, includes at least one guide unit for at least partially guiding at least one machine body and/or a workpiece processing motion. The tool device further includes at least one alignment detection unit for detecting an alignment of the guide unit relative to a motor housing and/or relative to a tool receiving unit.

Abstract: A handheld power tool having a power tool that executes a reciprocating motion, in particular a reciprocating power saw with a reciprocating sawblade (14), is disclosed. To prevent the power tool from sawing untrue during the cutting operation, in particular between the upper and lower cutting edges, the power tool is assigned at least one force transducer (19), which measures the magnitude of a transverse force, oriented transversely to the direction of motion, that occurs at the power tool, and at least one actuator (21), which acts on the power tool as a function of the measured magnitude of the transverse force, is provided for transverse force compensation (FIG. 2).

Abstract: A handheld electric machine tool is described including a housing with a grip area, a tool area for a tool that is drivable in a linear and/or oscillating manner, an operating part on the housing for activation of the tool and/or the electric machine tool by the user, a drive unit disposed in the housing for producing a working motion of the tool, an electronic unit disposed in the housing for acting upon the drive unit with at least control and/or regulating signals, an operating voltage unit for supplying an electrical DC voltage, the drive unit including at least one excitation actuator having a volume of excitation-active material, which excitation actuator when in operation is electrically supplied by the operating voltage unit, is controlled or regulated by the electronic unit. The electronic unit may be configured to operate the at least one excitation actuator in a resonant frequency.

Abstract: A protective device for use with table-top circular saws that operate a tool designed as a rotating, disk-shaped sawing tool includes at least one actuator unit and at least one protective unit. The at least one actuator unit moves the protective unit into a protective position on the tool.

Abstract: A power tool, particularly in the form of a keyhole saw as a hand-held power tool includes a work tool. A working line to be followed by the work tool with respect to the workpiece is optically provided by the power tool without contact being involved.

Abstract: A hand-held jigsaw includes a saw blade and control element for automating a tracking the saw blade, the hand-held jigsaw, or both along layout lines. A sensor, preferably a camera unit, detects a layout line provided on a work piece.

Abstract: A power tool, particularly in the form of a keyhole saw, is provided with a sensor device that senses the position of the tool, in particular the reciprocating position of the saw blade in at least one of the reversal positions.

Abstract: A power tool includes a lighting unit directed towards a detection field on a workpiece side, and a detection system that emphasizes the contrast between a marking applied to an underlying surface and the underlying surface.

Abstract: A power tool, particularly a hand-held power tool, is provided with a sensor unit for sensing an observation area on the workpiece side with varying resolution and having arranged in front of it a lens system with lenses of varying focal length.

Abstract: For a machine tool designed in particular as a saber saw, a configuration including a carrying frame is provided, via which the lifting rod and the support element are joined to form a unit that can be rotated about the longitudinal axis of the power tool, is mounted on the casing side, and guides a drive part of the lift drive on the lifting rod side.

Abstract: The invention relates to a motor-driven working device in the form of a machine tool (1) or a working apparatus, for which a semi-autonomous working operation is made possible by means of an auxiliary device (50). In said semi-autonomous working operation, the user must only carry out the rough alignment of the working device on a working line (27). The necessary guidance of the working means (48) of the working device on the working line (27) is provided by an auxiliary device (50).

Abstract: The present invention relates to a portable power tool (1) comprising a sensor unit adapted to detect a working mark (17, 18) provided on a work piece to be processed using the portable power tool (1), said mark defining a target position of the portable power tool (1), and a control unit for determining a deviation of the actual position from the target position based on the signal output of the sensor unit, wherein a positioning unit is provided that is adapted to make an automatic correction of the portable power tool (1) from the actual position to the target position, and or a signal output unit is provided for issuing signals that represent the determined deviation to a user for the purposes of making manual corrections.

Abstract: The invention relates to a power tool (1), especially in the form of a jigsaw (2), which comprises a saw blade (8). The back (39) of said saw blade is supported by a supporting member, which, even when in the shape of a supporting roller (36, 37), allows a controlled support of the saw blade (8) both in the pendulum stroke mode and in the scrolling mode.