Abstract: The invention relates to a pipetting device, comprising at least two pipetting channels (50, 50?), which extend along a channel axis (K) and which each can be adjusted along the channel axis (K), wherein the pipetting device (10) has a displacement drive, by means of which each pipetting channel (50, 50?) can be displaced independently of the other pipetting channel (50, 50?) along a displacement axis (V) orthogonal to the channel axis (K) regardless of an adjustment along the channel axis (K), wherein the displacement drive comprises a linear motor, the stator of which has at least two magnet arrangements (32, 42), which comprise a row of magnets (36) on a magnet carrier (34, 44), said magnets being consecutive along the displacement axis (V) and being arranged differently with regard to the polarity (P1, P2) thereof, and the armature of which (at 38, at 38?); has at least one conductor loop arrangement (38), which comprises at least one set of three conductor loops (72, 74, 76) that are consecutive along th

Abstract: A power-tool cooling apparatus for a portable power tool comprises at least one cooling unit configured to generate a cooling fluid flow to cool a drive unit of the portable power tool, and at least one further cooling unit configured to generate a further cooling fluid flow. The at least one further cooling unit is designed to differ from the at least one cooling unit.

Abstract: A hand power tool, in particular a battery-operated hand power tool, includes an open-loop and/or closed-loop control unit, and a communication unit, which is connected to the open-loop and/or closed-loop control unit and which has a hand power tool interface for exchanging electronic data. It is proposed that the hand power tool interface be provided to communicate with at least one further hand power tool and/or with at least one hand power tool ancillary device for the purpose of influencing an operating program of the open-loop and/or closed-loop control unit.

Abstract: The invention relates to an actively controlled valve (1) having a housing (6) and comprising a displaceably supported valve plate (4) having aperture openings (4a) and a counter plate (2) disposed in a fixed manner relative to the housing (6) and having aperture openings (2a), wherein the valve plate (4) is slidably supported relative to the counter plate (2), such that the penetration openings (2a, 4a) form an open or closed aperture (24), and comprising a drive device (8) driving the valve plate (4), wherein the valve plate (4) is connected to the drive device (8) by means of a drive spring (7), and an actuatable clamping device (10) is provided for fixing the location of the valve plate (4).

Abstract: The disclosure relates to a method of assembling a hand machine tool having (i) an intermediate flange that includes (i) at least one base body having a slot-shaped opening extending in a bearing position and in a bearing, (ii) an intermediate shaft assembly that includes an intermediate shaft and a wobble bearing having a wobble pin, and (iii) a drive piston. The method includes sliding the drive piston onto the wobble pin, introducing the wobble pin into the slot-shaped opening such that the drive piston slides into the at least one base body, and inserting, in an assembly direction corresponding to a direction of a longitudinal axis of the base body, the intermediate shaft of the intermediate shaft assembly into a second base body of the immediate flange.

Abstract: The invention relates to a hand-held power tool having a bearing ring (19) inserted into a bearing receptacle (18), wherein the bearing receptacle (18) and the bearing ring (19) have recessed ring sectors (17) positioned relative to one another in an overlapping manner, of which the ring sector (17) of the bearing ring is configured by breaking out a circumferential section (22) of the bearing ring (19), which is defined by predetermined breaking points (20).

Abstract: The invention relates to an electrical device, especially an electric tool, which has a motor unit provided with a motor housing, and a receiving unit for receiving at least one drive element. According to the invention, the electrical device includes a motor sleeve for coupling the motor unit to the receiving unit.

Abstract: A portable power tool, in particular a rotary and/or demolition hammer, has a pressure lever which is provided to execute a switching operation. A tolerance compensating unit is provided to effect tolerance compensation via a change in position of at least one contact surface.

Abstract: The invention relates to a hand-held power tool having a bearing race inserted into a bearing socket. The bearing socket and the bearing race have recessed ring sectors positioned relative to one another in an overlapping manner. The ring sector of the bearing race is configured by breaking out a circumferential section of the bearing race, which is defined by predetermined breaking points.

Abstract: The invention relates to a pipetting device, comprising at least two pipetting channels (50, 50?), which extend along a channel axis (K) and which each can be adjusted along the channel axis (K), wherein the pipetting device (10) has a displacement drive, by means of which each pipetting channel (50, 50?) can be displaced independently of the other pipetting channel (50, 50?) along a displacement axis (V) orthogonal to the channel axis (K) regardless of an adjustment along the channel axis (K), wherein the displacement drive comprises a linear motor, the stator of which has at least two magnet arrangements (32, 42), which comprise a row of magnets (36) on a magnet carrier (34, 44), said magnets being consecutive along the displacement axis (V) and being arranged differently with regard to the polarity (P1, P2) thereof, and the armature of which (at 38, at 38?); has at least one conductor loop arrangement (38), which comprises at least one set of three conductor loops (72, 74, 76) that are consecutive along th

Abstract: The invention relates to a hand machine tool comprising an intermediate flange, particularly for receiving transmission elements. The flange has at least one base body having at least one bearing point. It is proposed that at least one opening is provided at least in the area of the bearing point.

Abstract: The invention relates to a hand machine tool which has an intermediate flange, particularly for receiving transmission elements. The flange has at least one base body having at least one bearing point. It is proposed that at least one opening is provided at least in the area of the bearing point.

Abstract: An electric power tool has a housing having an inlet opening and an outlet opening, a drive motor contained in the housing, an electronic unit for controlling and regulating the drive unit, a fan a main air conduit extending between the inlet opening and the outlet opening of the housing, the drive motor being situated in the main air conduit supplyable with cooling air, and a heat sink operative for indirectly cooling the electronic unit.

Abstract: The invention relates to an electrical appliance, in particular a hand-held power tool, having an appliance housing, a circuitry substrate that is situated in the appliance housing and equipped with components, and sealing elements for preventing the influx of dirt into the region of the circuitry substrate. According to the invention, the sealing elements seal a subregion of the circuitry substrate off from other regions inside the appliance housing.

Abstract: An electric hand-held power tool has a housing, a double-shelled handle attached axially to the housing, a selector ring pivotably located in the housing, and an actuating element supported by the selector ring and swivelable manually. The housing and the handle have a line connecting domes oriented parallel to an axis of the housing and located in a parting plane region between the housing and the handle for receiving connecting units. The connecting domes include centering elements for guiding and exactly positioning the handle shells when the handle shells are attached individually to the housing.

Abstract: The present invention relates to a filtration unit containing pellets or granules of fine-particle iron oxides and/or iron oxyhydroxides with a large specific surface area, processes for their production and processes for their use in the filtration units.

Abstract: A device comprising a supporting device as climbing aid for a ski. The supporting device has at least two supporting positions, in which it prevents a boot held in a ski binding from being lowered below a climbing angle between the boot and the ski associated with the respective supporting position. The device comprises an adjusting device, which is actively connected to the supporting device and can be directly or indirectly actuated by a user and which can move the supporting device from a first into a second supporting position. The adjusting device includes an operating element for actuation of the adjusting device and an intermediate store for storing the actuation, wherein, in an adjusting process, the adjusting device moves the supporting device from said first into said second supporting position after a time delay, the adjusting process being initiated with the time delay in relation to the actuation.

Abstract: The invention relates to an electrical device, especially an electric tool, which has a motor unit provided with a motor housing, and a receiving unit for receiving at least one drive element. According to the invention, the electrical device includes a motor sleeve for coupling the motor unit to the receiving unit.

Abstract: The invention relates to a hand-held power tool having a bearing race inserted into a bearing socket. The bearing socket and the bearing race have recessed ring sectors positioned relative to one another in an overlapping manner. The ring sector of the bearing race is configured by breaking out a circumferential section of the bearing race, which is defined by predetermined breaking points.

Abstract: The present invention relates to a unit suitable for the through-flow of a fluid medium at least partially filled with an adsorbent/catalyst in pellet form consisting essentially of iron oxide and/or iron oxyhydroxides, solidified with oxides and/or (oxy)hydroxides of the elements Al, Mg and Ti, the pellets or granules based on iron oxides and/or iron oxyhydroxides and iron(III) hydroxide for the absorbent/catalyst, and processes for their production and their use.