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: 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

Abstract: A filter bag apparatus for a vacuum-cleaning unit is arrangeable in a vacuum-cleaning unit accommodation space of the unit and has a filter bag having a dust accommodation space for collecting dust. The apparatus has a closure device for closing off the bag outlet that includes a hose body arranged on a bag outlet and having a hose outlet flow-connected to the bag outlet for emptying dust out of the dust accommodation space. The body extends along a longitudinal expanse between the bag and hose outlets, and has a wrapper section between the bag and hose outlets that can be wrapped up toward the bag outlet, from a pass-through position for emptying the dust out of the dust accommodation space and is unwrapped, in particular elongated, along a wrapper path, into a wrapped position, in which the bag outlet is closed off to form a wrapper.

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: A machine tool in the form of a hand-held power tool or a semi-stationary machine tool, the machine tool having a tool holder for holding a work tool, a drive motor for driving the tool holder and at least one electrical function unit, the machine tool having a control device for actuating the at least one electrical function unit using at least one actuation function, the at least one electrical function unit being designed to perform an output function depending on the actuation by the at least one actuation function, and the machine tool having at least one operation element, which can be moved by an operator of the machine tool between a first operation element position and at least one second operation element position to actuate the control device.

Abstract: An emergency braking assembly for a motor-driven tool has a holding structure, a braking element movably mounted on the holding structure, and a wire-like actuation element, which has a shape-memory alloy. A first end of the actuation element is attached to the holding structure. A second end of the actuation element is drivingly coupled to the braking element. A method operates the emergency braking assembly. The braking element is set in motion by the actuation element and then a motion coupling between actuation element and braking element is cancelled or terminated.

Abstract: A support assembly for a guide rail for a cutting tool is described. The support assembly includes a base element with a mechanical interface which is configured for a detachable connection with the guide rail. Further, a support arm having a first end pivotably supported on the base element and a second end configured to support the support assembly on a support surface is provided. The support assembly additionally includes a locking mechanism configured to selectively lock the support arm with respect to the base element in at least two different relative pivotal positions. Furthermore, a guiding assembly for a cutting tool as well as a use of a guiding assembly is presented. Also, a use of a support assembly is described. Moreover, a method for operating a guiding assembly is explained.

Abstract: A 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, which has a guide body having a guide surface extending along a longitudinal axis for guiding the handheld machine saw along a working direction on a workpiece or a guide rail, 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.

Abstract: An electrical device, in particular in the form of a suction device (10) or a machine tool, with a housing (20) in which at least one electrical load, in particular an electric drive motor (11D), is arranged, wherein the electrical device has a power supply unit (80) with an energy storage receptacle (81), for the electrical power supply of the electrical load, in particular the drive motor (11D), in the interior of which at least two device interfaces (90A, 90B) for the detachable connection of a respective energy storage interface (190A, 190B) of an electrical energy storage (170A, 170B), in particular a battery pack, are arranged. The device interfaces (90A, 90B) are arranged on opposite side walls (83, 84) of the energy storage receptacle (81), so that the energy storages (170A, 170B) can be arranged on the device interfaces (90A, 90B) with mutually facing bottom walls (175).

Abstract: A connector for coupling a particle outlet of a handheld machine tool to a particle receiving device is described. The connector has a tube-shaped inlet portion extending along an inlet axis and a tube-shaped outlet portion extending along an outlet axis. The tube-shaped outlet portion is for coupling to the particle receiving device. The inlet portion has a body section and an engagement section. The engagement section is resiliently coupled to the body section. The engagement section has an engagement geometry for mating with an engagement counter-geometry on the particle outlet, such that a positive locking effective along a circumferential direction is provided between the engagement geometry and the engagement counter-geometry. Moreover, a lock is coupled to the inlet portion. The lock is for selectively blocking a movement of the engagement section relative to the body section.

Abstract: A power tool, in particular a hand-held power tool, for example a polishing device, a grinding device, a sawing device and/or a router, with a tool, an electric motor for driving the tool and a control unit for controlling the electric motor, in which the power tool is designed for connection to an AC supply voltage and includes a rectifier arrangement with an intermediate circuit for providing an intermediate circuit voltage on the basis of the AC supply voltage. The intermediate circuit voltage has a plurality of successive voltage half-waves, and in which the control unit is configured to calculate, for each voltage half-wave, a respective torque half-wave for controlling the electric motor, the control unit being configured to sample each voltage half-wave in order to obtain a plurality of voltage half-wave values, and to convert each voltage half-wave value into a respective torque half-wave value in order to calculate the respective torque half-wave.

Abstract: A connector mechanically connects a first workpiece and a second workpiece. The connector is plate-shaped or flat bar-shaped and has a first engagement element for engaging a first undercut of a first coupling groove and a second engagement element for engaging a second undercut of a second coupling groove. Moreover, the connector has an actuation body for selectively bringing the connector in a connection state in which the first engagement element is positioned to engage the first undercut and the second engagement element is positioned to engage the second undercut, and for selectively bringing the connector in a release state in which the first engagement element is configured to be withdrawn from the first undercut and the second engagement element is configured to be withdrawn from the second undercut. An actuation interface is provided on the actuation body. The actuation interface is arranged eccentrically along an insertion direction (D).

Abstract: A mobile hand-held sawing machine having: a sawing assembly (11), which has a sawing tool holder (14) for a sawing tool (15) and a saw drive motor (12) for driving the sawing tool holder (14); and a guide device (17), which has a guide body (18) having a guide face (19), extending along a longitudinal axis (L), for guiding the hand-held sawing machine (10) in a working direction (AR) on a workpiece (W); the hand-held sawing machine (10) having a pre-cutting assembly (31), which is arranged on the guide device (17) in front of the sawing assembly (11) in relation to the working direction (AR) in a longitudinal position in relation to the longitudinal axis (L) and has a pre-cutter tool holder (34) for a pre-cutting tool (35) and a pre-cutter drive (32A) for driving the pre-cutter tool holder (34).

Abstract: A holding element (60) for a device for supporting and/or guiding a machine tool (20) or a workpiece (W), wherein the device includes a contact body (40) having a contact surface (42) for contact on a work surface (H) of a workpiece (W) or a wall. It is provided that the holding element (60) includes an adhesive means (70) for adhesion to the work surface (H) and a fastening means for a releasable hold on the contact body (40), wherein the fastening means includes at least one formfitting contour (90) for formfitting hold on a holding element receptacle (55) of the contact body (40).

Abstract: A wearing device, which is designed as an exoskeleton and/or includes a tool, for wearing on the human body, including a shoulder strap with a shoulder strap resting section for resting on a shoulder of a user. The shoulder strap resting section has a target bending structure extending in the longitudinal direction of the shoulder strap for reducing the bending stiffness of the shoulder strap resting section in a bending direction transverse to the longitudinal direction of the shoulder strap, so that the shoulder strap resting section, in a state resting on the user's shoulder, can be bent in the bending direction by an elevation movement of the user's arm and a resulting formation of a shoulder hollow of the user, in order to assume a bent shape corresponding to the shoulder hollow and thus rest with its surface area against the user in the shoulder hollow.

Abstract: A connector for coupling a particle outlet of a handheld machine tool to a particle receiving device is described. The connector has a tube-shaped inlet portion extending along an inlet axis and a tube-shaped outlet portion extending along an outlet axis. The tube-shaped outlet portion is for coupling to the particle receiving device. The inlet portion has a body section and an engagement section. The engagement section is resiliently coupled to the body section. The engagement section has an engagement geometry for mating with an engagement counter-geometry on the particle outlet, such that a positive locking effective along a circumferential direction is provided between the engagement geometry and the engagement counter-geometry. Moreover, a lock is coupled to the inlet portion. The lock is for selectively blocking a movement of the engagement section relative to the body section.

Abstract: A dust removal device, in particular dust collection device, for a hand-held machine tool, in particular a grinding machine or saw, has a tubular connection body for connecting to a tubular dust removal connector of the tool. A dust/air stream for conveying away dust from grinding machine operation can flow from a dust removal space to the device, via the connector. The body has a clamping mechanism for clamping to the connector with an activation element for activating it between release and clamping positions. An accommodation cross-section of the body for the connector is smaller in the clamping position for clamping connector to body than in the release position for removing device from connector. The element includes a pivot lever mounted to pivot about a pivot axis and angle, between a clamping activation position assigned to the clamping position and a release activation position assigned to the release position.

Abstract: A blocking element for an emergency brake unit of a sawing device has a circular disc-shaped saw blade. The blocking element has a bearing portion, via which the blocking element is configured to be mounted on the sawing device, a head portion which is designed to engage into the saw blade selectively for braking purposes, and a deformation portion which is located between the bearing portion and the head portion and/or connects the bearing portion and the head portion to one another and which is arcuate and designed to be plastically shortened to brake the saw blade in an arc circumferential direction. A sawing device has a circular disc-shaped saw blade and an emergency brake unit. The emergency brake unit has such a blocking element which is mounted on the sawing device such that it can engage selectively into the saw blade to brake the saw blade.