Abstract: A power tool, in particular a hand-held power tool, for example a polishing device, a grinding device and/or a sawing device, with a tool, an electric motor for driving the tool and a control unit for controlling the electric motor. The power tool is designed for connection to a mains voltage and includes a rectifier arrangement with an intermediate circuit for providing an intermediate circuit voltage based on the mains voltage, the Intermediate circuit voltage having a plurality of successive voltage half-waves, and the control unit being configured to provide, for each voltage half-wave, a respective torque half-wave for driving the electric motor, the waveform of which torque half-wave is flattened with respect to the waveform of the voltage half-wave.

Abstract: A guide rail for guiding a hand-held power tool. The power tool includes a drive motor (23), a working tool (25), which is driven by the drive motor (23), and a protective cover (30) for the working tool. The protective cover can be moved between an open position (O) and a covering position (A), wherein the guide rail (60) has a stop assembly having at least one opening stop (81, 91) for moving the protective cover (30) into the open position (O) when the hand-held power tool (20) is moved along the guide axis (F).

Abstract: A hand-held grinding machine includes a disc tool having a machining face for machining a workpiece; a motor for driving a holder holding the tool arranged in a machine housing; a port for removing dust during machining; and an energy-storage-device interface for detachably connecting, using a connection interface, an energy storage device for supplying electrical energy to the grinding machine that includes an energy-storage-device housing extending along an energy-storage-device longitudinal central plane; and a handle for grasping and guiding the grinding machine forwards along the workpiece in a working direction parallel to a machine longitudinal central plane of the machine housing extending transversely to the machining face.

Abstract: A closure device for closing a particle capture volume, in particular a bag or a container, including an access element with an access element opening for providing an access to the particle capture volume, a closure slide which can be selectively displaced relative to the access element into a release position or into a closure position. In the release position the closure slide releases the access element opening and in the closure position closes the access element opening, and a locking mechanism for locking the closure slide in the closure position with respect to the access element, where the locking mechanism 6 for unlocking requires a defined unlocking element which is separate from the locking mechanism.

Abstract: Handheld power tools with kickback detection and methods of detecting a kickback condition of a handheld power tool are disclosed herein. The methods move an implement of the handheld power tool within an implement motion plane and detect motion of the handheld power tool. The methods also include determining that the kickback condition exists based, at least in part, on the motion of the handheld power tool. In some embodiments, the handheld power tool is a circular saw that includes a user-actuated assembly. The user-actuated assembly includes a motion sensor, a controller, and a motor. The circular saw also includes a workpiece support and a pivot. The motion sensor is configured to detect acceleration along an acceleration detection axis that extends a threshold pivot axis-acceleration axis distance of at most 4 cm from a pivot axis of the pivot.

Abstract: A power tool, in particular a hand-held power tool, including a support section for setting down the power tool on a substrate, in particular on a workpiece and/or a guide element. The power tool has a support detection device and is designed to detect, by the support detection device, a first support state, in which the power tool is supported on the substrate by way of at least one first region of the support surface, and/or a second support state, in which the power tool is not resting on the substrate by way of at least the first region, and to determine an operating state of the power tool on the basis of the detected support state.

Abstract: A switch (30) for a hand-held power tool (10) or as a component of a hand-held power tool (10), which has an electric drive motor (16) that can be switched by the switch (30). The switch (30) has a switch housing (33) with a switch chamber (35) in which a switch actuator (75) that can be moved between at least two switch positions (ML, MR) is arranged in order to actuate an electric switch element, said switch actuator being kinetically coupled, by means of a transmission element (70), to a switch (30) actuation element (32), which is arranged outside the switch housing (33) and can be moved between at least two actuation positions (R, L), wherein the transmission element (70) passes through a through-opening (54) on a wall of the switch housing (33) such that the switch actuator (75) can be moved by moving the actuation element (32) in order to actuate the switch element (24).

Abstract: An electric device in the shape of a machine tool or an energy storage module for the electric power supply of a machine tool. The electric device has a wireless communication interface for wireless communication with an external communication apparatus, which forms part of a vacuum cleaner provided to suction dust generated by the machine tool and with the wireless communication interface being designed to send at least one control command to control the vacuum cleaner as a function of a switching status of the switching element to the external communication apparatus via a wireless control connection.

Abstract: A mobile handheld machine saw having a saw assembly, which has a saw toolholder for a saw tool and a saw drive motor for driving the saw toolholder, and having a guide device, wherein the handheld machine saw has a scoring assembly, which is arranged in front of the saw assembly on the guide device with respect to the working direction, having a scorer toolholder for a scoring tool and having a scoring drive for driving the scorer toolholder, wherein a score upstream from the saw cut to be introduced in the working direction can be introduced into the workpiece by means of the scoring tool protruding in front of the guide surface in scoring operation of the handheld machine tool. It is provided that the scoring assembly has a scorer dust extraction device for extracting particles arising during the introduction of the score by the scoring tool into the workpiece.

Abstract: An attachment device for attachment to a drive device including a receptacle for a fluid container and a pressing device for pressing the fluid container, to effect the dispensing of fluid contained in the fluid container. The pressing device serves to lock the fluid container in the receptacle so that the fluid container cannot be removed from the receptacle. The attachment device further includes a stabilizing handle and an actuating element operable by the user to release the locking of the fluid container in the receptacle so that the fluid container can be removed from the receptacle, and in which the stabilizing handle is the actuating element or the actuating element is arranged in the region of the stabilizing handle so that the user can actuate the actuating element with his hand while the user grips the stabilizing handle with this hand.

Abstract: A power tool device, in particular a screwing and/or drilling device, including a drive unit for a rotational driving of a tool, in particular a drill or a screwdriver blade. The power tool device is adapted to detect at least one drive variable (AG) during the rotational driving of the tool, in which the drive variable (AG) is the torque acting on the tool and/or a drive variable associated with this torque, for example an electrical drive variable of the drive unit. The power tool device is adapted to determine a change criterion during the rotational driving of the tool on the basis of the at least one detected drive variable (AG) and to change the rotational driving of the tool in response to the detected drive variable (AG) satisfying the change criterion.

Abstract: An attachment for a hand-held power tool, wherein the attachment has an attachment housing and a drive element on a drive side, which drive element can be coupled to a machine output element of the hand-held power tool in order to drive the attachment and is firmly connected to an output element of the attachment or is motion-coupled via a gear to drive a working tool, wherein the attachment has a fastening device on the drive side for detachable fastening to the hand-held power tool, wherein the fastening device has at least one support surface that is stationary with respect to the attachment housing for providing support on the hand-held power tool in the direction of a support axis and at least one locking body adjustable between a locking position and an unlocking position and loaded into the locking position by a spring assembly.

Abstract: A power tool, in particular a handheld power tool, for example a grinding machine, that includes a tool, an electric motor for driving the tool, and a control unit for actuating the electric motor using a motor current (MI). The control unit has a start-up mode in which the control unit actuates the electric motor in such a way that the electric motor during the start-up mode traverses a rotational speed ramp (DR), at which the rotational speed of the electric motor is increased continuously up to operating rotational speed (ADZ) The control unit is designed to adjust the gradient of the rotational speed ramp (DR) on the basis of an acquired temperature for the start-up mode and/or to adjust the intensity of the motor current (MI) on the basis of the acquired temperature for the start-up mode.

Abstract: A stop unit, in particular to an angle stop, for guiding and/or for the feed of a workpiece to a saw blade of a bench saw, including a stop arm which extends in a longitudinal direction for the contact of the workpiece. The stop arm includes a main section which is manufactured from a first material and which extends over more than half the longitudinal extension of the stop arm, and at least one second end section which is arranged on an end of the main section which is located in the longitudinal direction. The second section is able to come into contact with the saw blade given an advance of the workpiece towards the saw blade, where the at least one end section is manufactured from a second material.

Abstract: A portable handheld machine saw having a saw assembly (11) which has a saw tool receptacle (14) for a saw tool (15) and a saw drive motor (12) for driving the saw tool receptacle (14), and having a guide device (17) which has a guide body (18) having a guide surface (19) extending along a longitudinal axis (L) for guiding the handheld machine saw (10) in a working direction (AR) on a workpiece (W). The handheld machine saw (10) has a pre-scoring assembly (31), arranged in front of the saw assembly (11) on the guide device (17) in relation to the working direction (AR), having a pre-scoring tool receptacle (34) for a pre-scoring tool (35), and having a pre-scoring drive (32A), for driving the pre-scoring tool receptacle (34), wherein, on the basis of the pre-scoring tool (35) protruding in front of the guide surface (19) during pre-scoring operation of the handheld machine tool, a score (RI) can be introduced into the workpiece (W), in the working direction (AR), in front of the saw cut (SAE) to be introduced.

Abstract: A particle receiving device for attachment to a particle outlet of a vacuum cleaner and/or of a cyclone separator and for receiving separated particles, including: a particle receiving volume for receiving the particles, an access element with an access element opening through which the particles can be transported into the particle receiving volume, and a closure element. The access element is selectively displaceable relative to the closure element into a closure position in which the closure element closes access opening, or into an open position in which the closure element releases the access element opening.

Abstract: A drive motor (10) for a vacuum cleaner or a machine tool, wherein the drive motor (10) includes a stator (20) with a stator coil arrangement (26), and a rotor (30) wherein a sensor arrangement (60) is arranged in a stationary manner with respect to the stator in order to detect a respective angle of rotation position of the rotor (30) with respect to the stator, said sensor arrangement comprising at least two sensors (67A, 67b, 67C). It is provided that the at least two sensors are configured to detect two waves of a magnetic rotating field (FB) of the rotor (30) wherein the sensors generate the switching signals in a manner dependent on a wave of the magnetic rotating field (FB) exceeding or undershooting a switching threshold (SH, SL) of the sensor (67A, 67b, 67C).

Abstract: A fluid container press including a receptacle for a fluid container, a pressing device for pressing the fluid container and for locking the fluid container in the receptacle, a carrying handle, and a stabilizing handle with which the fluid container press can be gripped and stabilized with a second hand of the user while the user grips the carrying handle with his first hand. The fluid container press includes an actuating element operable by the user to release the locking of the fluid container in the receptacle so that the fluid container can be removed from the receptacle, in which the stabilizing handle is the actuating element or the actuating element is arranged in the region of the stabilizing handle so that the user can actuate the actuating element with his second hand while the user grips the stabilizing handle with his second hand.