Abstract: A mobile handheld machine saw (10) having a saw assembly (11), which has a saw toolholder (14) for a saw tool (15), in particular a saw blade, and a saw drive motor (12) for driving the saw toolholder (14), and having a guide device (17), which has a guide body (18) having a guide surface (19) for guiding the handheld machine saw (10) along a working direction (AR) on a workpiece (W) and on its upper side (19A) opposite to the guide surface (19), the saw toolholder (14) is movably mounted by means of a saw depth setting bearing (16) between an upper depth setting position (UT) in which the saw toolholder (14) is adjusted closer to the guide surface (19) than in the upper depth setting position (OT).

Abstract: A method operates an emergency brake unit for a motor-driven tool. The emergency brake unit has an actuator with an actuation element and at least one electrical energy storage unit. The actuation element is configured to be selectively supplied with electrical energy stored in the energy storage unit. The method detects an energy storage unit state parameter, which characterises a state of the energy storage unit. Alternatively or additionally, an actuation element state parameter is detected, which characterises a state of the actuation element. If at least one of the energy storage unit state parameter and the actuation element state parameter is outside a respectively assigned standard range, a blocking signal is triggered. In addition, a monitoring unit monitors a state of an emergency brake unit.

Abstract: A collection receptacle for collecting workpiece particles has a receptacle shell having an inlet port and an outlet. Moreover, the collection receptacle has a support arranged on the receptacle shell. The support is configured for supporting the receptacle shell on a guide rail and/or on a base plate of a handheld power tool. Furthermore, a handheld power tool assembly has a handheld power tool and a collection receptacle. Additionally, a particle collection assembly has a guide rail and a collection receptacle. The support of the collection receptacle is supported on the guide rail. Also a handheld power tool system has a particle collection assembly and a handheld power tool. Also, the guide rail can be used for supporting a collection receptacle.

Abstract: A machine tool assembly has a hand-operated machine tool and a lighting system. The hand-operated machine tool has an electric drive unit with a brushless DC motor and a motor control unit coupled by means of signals to the brushless DC motor. The lighting system has a lighting unit with at least one light source, a control unit, which is connected by means of signals to the lighting unit, wherein the control unit is designed to operate the lighting unit in pulsed light mode, and a signal interface, which is connected by means of signals to the control unit, wherein the signal interface is designed to receive a signal describing a movement state of the tool such that a lighting state can be adjusted to the movement state by means of the control unit in pulsed light mode. A lighting system can be used in the machine tool assembly.

Abstract: A connector arrangement for connecting two guide rails of a guide rail assembly for guiding a hand-held power tool, wherein the guide rails extend along longitudinal axes and can be releasably connected to each other by the connector arrangement on mutually opposite end faces, wherein the guide rails have at mutually opposite sides a contact face for the guide rails to rest on a workpiece and a guide face for guiding the hand-held power tool, wherein the guide rails have a longitudinal guide face extending parallel to their respective longitudinal axis for guiding the hand-held power tool parallel to the respective longitudinal axis, wherein the longitudinal guide face is at an angle to the guide face, wherein the connector arrangement has at least one connector element which has plug-in sections provided for inserting into plug-in receptacles on the opposite end faces of the guide rails on which there are arranged clamping devices for clamping in the relevant plug-in receptable.

Abstract: A power tool includes a power tool housing including a fluid inlet and a discharge outlet. A motor is supported by the power tool housing. A tool is configured to be moved relative to the housing by the motor. A fan is configured to be rotated by the motor, such that a fluid flow with debris generated by movement of the tool is drawn into the fluid inlet and through the discharge outlet. A filter is removably attached to the power tool housing. The filter includes a filter media configured to separate the debris from the flow of fluid. The filter media includes a collection container configured to store the debris. The filter also includes an opening in the filter media through which the flow of fluid with the debris enters the collection container, and a valve that is moveable between a closed position and an open position.

Abstract: A collection receptacle for collecting workpiece particles has a receptacle shell, an inlet port provided on a first side of the receptacle shell and an outlet provided on a second side of the receptacle shell. The receptacle shell delimits a collection volume of the collection receptacle. The inlet port is configured for receiving a mixture of air and workpiece particles. The outlet is configured for allowing air to leave the collection volume delimited by the receptacle shell. The receptacle shell has a cup-shaped base part having the first side and the second side. Moreover, the receptacle shell has a lid part movably connected to the base part. The lid part can selectively assume an open position in which the collection volume is accessible and a closed position in which the collection volume is fully enclosed by the base part and the lid part. Additionally, a handheld power tool assembly has a handheld power tool and such a collection receptacle.

Abstract: A collecting container (18) for workpiece particles is described, which is designed for coupling to a motor-driven hand-held tool (16). The collecting container (18) comprises a container body (22), which is delimited by an outer skin (32). The container body (22) comprises a folding mechanism (31) so that it can selectively assume a work position, in which the outer skin (32) encloses a first volume (V1), and selectively assume a transport position, in which the outer skin (32) encloses a second volume (V2). The second volume (V2) is smaller than the first volume. In addition, a first outer skin longitudinal dimension (Lmax) has a greatest length in comparison to the remaining outer skin longitudinal dimensions in the work position. The first outer skin longitudinal dimension (Lmax) defines a greatest length of the container body (22) in the transport position. In addition, an assembly (14) is proposed comprising a motor-driven hand-held tool (16) and such a collecting container (18).

Abstract: A collection receptacle (14) for collecting workpiece particles is disclosed. The collection receptacle (14) is configured for coupling to a handheld power tool. The collection receptacle (14) comprises a mechanically rigid receptacle shell (22) having an inlet port on a first side (24) of the receptacle shell (22) and an outlet (28) on a second side of the receptacle shell (30). The rigid receptacle shell (22) delimits a collection volume of the collection receptacle (14). The collection receptacle (14) additionally comprises a filter means (32) being disposed at the outlet (28) and configured to separate workpiece particles from air. Furthermore, the collection receptacle (14) comprises a filter dedusting mechanism (34) configured to remove workpiece particles from the filter means (32), wherein the filter dedusting mechanism (34) is coupled with the filter means (32). Additionally, a method for operating such a collection receptacle (14) is presented.

Abstract: A connector mechanically connects a first component and a second component and has a central section, a first end section, and a second end section. The first end section and the second end section project beyond the central section on a first face of the central section. A projecting region of the first end section has a first holding surface, and a projecting region of the second end section has a second holding surface. At least one section of the first holding surface and/or at least one section of the second holding surface is inclined relative to the axis (A) of the central section when viewed perpendicularly to the first face of the central section. Components and component assemblies each have a component and a connector. A component connection has the components.

Abstract: A suction device includes a suction-device housing and a suction turbine arranged therein for generating suction flow. The housing includes a suction inlet, for letting in the suction flow, and a dust-collection chamber, for collecting dust in the suction flow during suction operation. A filter between the dust-collection chamber and the turbine retains dust in the chamber. A cleaning valve between filter and turbine includes a suction flow valve having a suction flow valve body, which closes, in cleaning position, and opens, in operation position, a suction channel extending between the turbine and the filter and through which the suction flow flows. An external-air channel extends between the filter and an external-air inlet for inflow of external air. The suction flow valve body includes at least one external-air passage channel, through which at least some or all of the external-air flow can flow in the cleaning position.

Abstract: Bevel saws and methods of adjusting a fence of a bevel saw are disclosed herein. The bevel saws include a workpiece support that defines a workpiece support surface. The bevel saws also include a user-actuated assembly and an assembly attachment structure that operatively attaches the user-actuated assembly to the workpiece support. The assembly attachment structure includes a blade bevel angle adjustment mechanism configured to adjust a blade bevel angle of the bevel saw blade. The bevel saws also include a fence that defines a fence surface that extends away from the workpiece support surface. The fence includes a first fence region and a second fence region. The first fence region and the second fence region define a blade-receiving gap therebetween, and the fence further includes a gap adjustment mechanism configured to automatically adjust the blade-receiving gap based, at least in part, on the blade bevel angle.

Abstract: A hand-held grinding machine includes a disc tool having a machining face for machining a workpiece; and a machine housing in which a drive motor for driving a tool holder is arranged, on which holder the disc tool is arranged, wherein: the machine housing includes a drive portion having a motor housing, which includes a motor-accommodating space in which the drive motor is accommodated; and the motor housing includes a single-piece peripheral wall which annularly surrounds the motor-accommodating space. A connection protrusion which extends along a machine longitudinal axis of the machine housing and which is in particular formed in a single piece with the machine housing is arranged on the peripheral wall, on which connection protrusion an energy-storage-device interface is arranged for detachably connecting an electrical energy storage device for supplying electrical energy to the hand-held grinding machine.

Abstract: A circular saw has a blade that moves relative to a stationary base structure during operative use of the circular saw to cut a workpiece and methods of detecting a kickback condition of such a circular saw. The circular saw includes a base structure, a user-actuated assembly, an attachment structure, and a controller. The attachment structure is configured to permit constrained relative motion between the base structure and the user-actuated assembly in a motion direction and during operative use of the circular saw to cut the workpiece. A motion sensor is configured to generate a motion signal indicative of motion of the user-actuated assembly along the motion direction. The controller is programmed to initiate a kickback response of the circular saw responsive to the motion signal being indicative of a kickback condition of the circular saw.

Abstract: A connection assembly for connecting a tool head and a further machine module of a hand-guided machine tool wherein the connection assembly includes at least two connection parts following one another along a longitudinal axis and each having a connection section via which the connection parts are connectable to one another.

Abstract: An exoskeleton device including an exoskeleton with a base section, a support section movably coupled to the base section for supporting a body part of the human body, and an actuator device acting on the support section for providing a support force for the body part. The exoskeleton device further includes a sensor device for detecting a risk variable which includes a movement of the support section and/or a force and/or a pressure between the support section and the body part, and a control device for controlling the actuator device. The control device is configured to detect a risk state on the basis of the detected risk variable, in which risk state there is a risk of health impairment and/or damage, and to initiate a safety measure in response to the detection of the risk state, which comprises outputting a warning signal and/or counteracting the risk state.

Abstract: Circular saws include blade mounts for circular saw blades and methods of attaching circular saw blades to circular saws. The circular saws include a motor, an arbor, and a blade mount. The motor includes a motor shaft configured to rotate about a shaft rotational axis. The arbor is configured to receive a torque from the motor when the motor shaft rotates about the shaft rotational axis. The blade mount is operatively attached to the arbor and is configured to selectively and operatively attach a circular saw blade to the arbor. The blade mount includes an inner flange that includes an inner flange blade-contacting surface that faces away from the motor. The inner flange is free from any structure that projects away from the motor and also away from the inner flange blade-contacting surface.

Abstract: A mobile machine tool for processing a surface of a workpiece or a room, wherein the machine tool includes a working device with a plate tool for processing the surface and a drive motor for driving the plate tool, which tool has a processing surface assigned to processing a workpiece and a machine side opposite to the processing surface, wherein intake air inflow openings are arranged on the surface to be processed for suctioning the processing surface onto the surface to be processed, which openings are flow-connected to at least one intake air outflow opening arranged on the plate tool away from the processing surface, wherein the plate tool includes at least one additional air inflow opening for the inflow of additional air, which is flow-connected to at least one additional air outflow opening arranged away from the processing surface, and wherein the machine tool includes an intake device for generating an intake air flow and/or a negative pressure at the at least one intake air outflow opening and the